Daño del Cartílago

A body of clinical evidence, including controlled trials and a published GARDS study, shows that acacia gum supplementation improves renal biomarkers (serum creatinine, urea, creatinine clearance) in chronic kidney disease (CKD) and end-stage renal failure patients. Its antioxidative and anti-inflammatory properties appear to slow renal dysfunction progression.

Activated charcoal (AC) adsorbs gut-derived uremic toxins such as indoxyl sulfate (IS) and p-cresyl sulfate, reducing their systemic accumulation in CKD. Multiple RCTs in CKD and ESRD patients show significant reductions in serum urea, phosphorus, and IS with oral AC supplementation. Specialized oral charcoal adsorbents (e.g., AST-120/Kremezin) have been specifically studied for slowing CKD progression.

Alpha-lipoic acid (ALA) is a potent endogenous antioxidant with both fat- and water-soluble properties, studied for nephroprotection in diabetic nephropathy, contrast-induced nephropathy, and drug-induced kidney damage. Multiple clinical trials have shown ALA supplementation improves creatinine clearance, reduces proteinuria, and lowers oxidative stress markers in diabetic nephropathy patients.

Alisma orientale (Ze Xie) is a cornerstone herb in Traditional Chinese Medicine used for millennia to support kidney function, clear 'excess heat,' and promote water metabolism. Modern research published in Frontiers in Pharmacology (2018) demonstrated its nephroprotective effects in CKD models through regulation of lipid metabolism and reduction of tubular interstitial fibrosis. It is a key ingredient in classical TCM formulas such as Liu Wei Di Huang Wan, which has been studied clinically for reducing kidney failure risk in diabetic patients.

A 2024 rat study demonstrated that Angelica keiskei reduced cisplatin-induced nephrotoxicity by lowering serum creatinine, urea nitrogen, and KIM-1 while suppressing NF-κB and COX-2. Earlier rat feeding studies showed no kidney pathology even at excessive doses. No human renal trials exist.

A randomized double-blind placebo-controlled trial (6 mg/day, 8 weeks) in renal transplant patients found astaxanthin was safely consumed without adverse effects on renal function. Preclinical evidence demonstrates astaxanthin protects against kidney oxidative damage; diabetic retinopathy cell studies confirm renal-parallel antioxidant pathways. However, dedicated human RCTs with renal endpoints are sparse.

Astragalosides (particularly astragaloside IV) are the primary bioactive saponin glycosides of astragalus root, shown in preclinical studies to ameliorate kidney fibrosis on top of standard care (captopril) in CKD animal models. They are the active components underlying astragalus's renoprotective effects, documented in clinical and animal studies for CKD, diabetic nephropathy, and hypertensive renal damage.

Astragalus (Huang Qi, Astragalus membranaceus) is one of the most widely studied TCM herbs for chronic kidney disease (CKD). A 2024 multicenter RCT (ClinicalTrials.gov NCT03535935) in type 2 diabetic CKD patients showed add-on astragalus slowed eGFR decline by 4.6 mL/min/1.73m² per year over 48 weeks compared to standard care. A Cochrane systematic review also evaluated its use in CKD, noting potential to decrease serum creatinine and reduce proteinuria, though evidence quality was limited.

Banana's potassium content supports kidney function by suppressing urinary calcium excretion, reducing the risk of kidney stones. Epidemiologic data from a Swedish prospective cohort study of 61,000 women support this association. Green banana products have also shown benefits for renal complications related to diabetes in clinical studies.

A clinical RCT using Berberis vulgaris root extract in 80 T2DM patients evaluated renal biochemical parameters and found no significant adverse effects on kidney function. Barberry has been used traditionally as a diuretic to support kidney function.

Icariin exerts nephroprotective effects in multiple animal models of kidney disease including diabetic nephropathy, acute kidney injury, IgA nephropathy, chronic kidney disease, and lupus nephritis. Mechanisms include anti-fibrotic, antioxidant, anti-apoptotic, and anti-inflammatory activity. Traditional TCM use of Epimedium explicitly includes kidney-tonifying (renal tonic) functions.

A randomized, double-blind, positive-controlled clinical trial (BMC Complement Med Ther 2020) demonstrated that aqueous T. bellirica extract (500–1000 mg twice daily, 24 weeks) significantly reduced serum uric acid and creatinine while improving eGFR in chronic kidney disease patients with hyperuricemia. An earlier clinical study also confirmed uric acid reduction. The extract's xanthine oxidase inhibitory activity is the proposed mechanism.

Benfotiamine has been tested specifically for diabetic nephropathy in a double-blind RCT (n=82). Despite significantly improving thiamine status, 12 weeks of 900 mg/day did not reduce urinary albumin excretion or KIM-1 — key markers of kidney damage. Animal models had previously shown prevention of incipient diabetic nephropathy.

Berberine is a bioactive isoquinoline alkaloid found in plants such as barberry and Coptis chinensis, used in TCM and Ayurveda for over 2,000 years. Modern research demonstrates significant renoprotective effects across multiple kidney disorders including diabetic nephropathy, renal fibrosis, ischemia-reperfusion injury, and nephrotoxicity. A 2025 systematic review and meta-analysis of 26 animal studies found berberine significantly lowered serum creatinine, BUN, TGF-β1, and fibrosis area in models of renal fibrosis.

In chronic kidney disease (CKD) with metabolic acidosis, oral sodium bicarbonate supplementation is guideline-supported (KDIGO 2024) for correcting low serum bicarbonate and slowing CKD progression. Multiple RCTs and meta-analyses report improved estimated glomerular filtration rate (eGFR) with supplementation. However, trial evidence remains heterogeneous and sodium loading is a recognized concern.

Clinical trials and systematic reviews demonstrate N. sativa's nephroprotective effects, reducing creatinine, blood urea nitrogen, and progression of diabetic nephropathy. N. sativa also significantly reduced proteinuria in a randomised clinical trial in diabetic nephropathy patients.

Boerhavia diffusa (Punarnava) is a foundational kidney herb in Ayurvedic medicine, used for thousands of years as a diuretic, anti-inflammatory, and renal regenerative herb. Scientific evidence includes animal studies showing its aqueous extract protects against kidney injury and oxidative stress, and a canine clinical study showing effects comparable to enalapril (an ACE inhibitor) in improving renal parameters including hemoglobin, potassium, phosphorus, and urinary proteins.

LBPs exert renoprotective effects in multiple animal injury models (high-fat diet, lead toxicity, pancreatitis, sepsis-AKI, hyperuricemia). LBP reduces serum creatinine, BUN, and inflammatory markers in kidney injury models. Traditional Chinese medicine has used boxthorn as a kidney tonic for over 2,000 years.

Animal studies demonstrate that carrot extract protects against drug-induced and sepsis-induced kidney injury through its antioxidant phytochemicals (carotenoids, phenolics, polyacetylenes). Gentamicin nephrotoxicity models show dose-dependent reduction in renal injury markers. Traditional use as a diuretic and for urinary conditions provides additional context.

BCP has demonstrated nephroprotective effects in rodent models of ischemia-reperfusion injury and cisplatin-induced nephrotoxicity via antioxidant and anti-inflammatory CB2 mechanisms. It is listed among BCP's established pharmacological activities in systematic reviews.

A. aspera has preclinical evidence for nephroprotective activity and is documented in multiple pharmacological studies as diuretic. Its root and seed extracts have been investigated in animal models of renal injury, with renal biomarker improvements reported.

Chanca piedra (Phyllanthus niruri, 'stone breaker') has been used in Amazonian and South Asian traditional medicine for kidney stones and urinary tract conditions for centuries. Multiple clinical studies support its traditional use: a RCT of 69 calcium stone-forming patients showed it normalizes elevated urinary calcium; another 56-patient study found improvements in urinary magnesium/creatinine ratios and potassium excretion; and clinical evidence supports its ability to inhibit calcium oxalate crystal aggregation and reduce stone size.

Danshen injection has been used clinically in China to treat renal diseases including acute renal failure and acute nephritis. Its antioxidant and anti-inflammatory properties reduce oxidative injury in the kidney. Preclinical studies show protection against iron-overload-induced kidney injury and cyclosporin-induced nephrotoxicity.

Coenzyme Q10 (ubiquinol/ubiquinone) is an endogenous mitochondrial antioxidant with documented benefits in CKD, where CoQ10 deficiency has been observed. Clinical studies in CKD and hemodialysis patients show CoQ10 supplementation reduces oxidative stress markers, improves mitochondrial function in renal tubular cells, and some trials show modest improvements in creatinine clearance and GFR.

Cordyceps sinensis (Dong Chong Xia Cao) is one of the most researched TCM fungi for CKD. A Cochrane systematic review and multiple clinical studies found Cordyceps preparations as adjuvant therapy showed potential to decrease serum creatinine, increase creatinine clearance, and reduce proteinuria in CKD patients. Clinical studies showed it can lower inflammatory markers and improve kidney function, particularly when combined with conventional ARB therapy.

Cranberry (Vaccinium macrocarpon) is supported by clinical research primarily for preventing urinary tract infections (UTIs) through inhibition of bacterial adhesion to the urinary tract wall, thereby reducing infection-related kidney stress. Proanthocyanidins in cranberry prevent bacterial adhesion to the bladder wall. It has also been linked to antilithogenic properties, potentially reducing calcium oxalate crystallization related to kidney stone formation.

Curcumin, the primary bioactive curcuminoid of turmeric, has demonstrated renoprotective effects in multiple preclinical studies and some clinical trials, particularly for diabetic nephropathy and CKD. It reduces renal inflammation and oxidative stress via NF-κB and Nrf2 pathways. A meta-analysis of RCTs in diabetic nephropathy patients showed curcumin supplementation improved kidney function markers.

Vitamin E (alpha-tocopherol) has been studied in CKD and ESRD populations, where its antioxidant and anti-inflammatory properties address the high oxidative stress burden of renal disease. The SPACE trial demonstrated cardiovascular benefit in ESRD patients, and vitamin E–coated hemodialyzers have shown hematological and oxidative stress benefits.

Dandelion (Taraxacum officinale) has a long history in European, Ayurvedic, and TCM traditions as a kidney and urinary tonic. A 2009 human pilot study found dandelion extract significantly increased urinary frequency and excretion volume, supporting its traditional use as a diuretic and kidney-flushing herb. Its diuretic action may support kidney filtration and waste elimination.

Danshen (Salvia miltiorrhiza, Chinese Salvia root) is one of the most widely studied TCM herbs for kidney disease. Its active components tanshinone IIA, salvianolic acid A and B, and cryptotanshinone demonstrate antifibrotic, anti-inflammatory, and antioxidant nephroprotective effects. A PMC review identified it as one of five TCM herbs with sufficient clinical efficacy evidence for CKD, with clinical trials showing reductions in proteinuria and creatinine.

Cuscuta chinensis is one of the most ancient and central kidney tonics in TCM, recorded since ~200 CE. Preclinical studies show that aqueous extracts of C. chinensis significantly recover renal functional parameters in ischemia/reperfusion-induced acute renal failure rats, including creatinine clearance and tubular damage markers. This is supported by folk medicine use for liver and kidney disorders across multiple cultures.

Cornus officinalis is a principal TCM herb for kidney diseases and has been studied for nephroprotective effects, particularly in diabetic nephropathy. Animal studies show reductions in proteinuria and renal oxidative stress markers. Multiple PMC reviews confirm nephroprotective activity in preclinical models.

Ellagic acid is a polyphenol antioxidant found in pomegranate, berries, and other fruits with documented nephroprotective effects in preclinical studies. It protects against nephrotoxin-induced kidney damage (cisplatin, gentamicin), reduces oxidative stress in renal tissue, and attenuates inflammatory kidney injury. Pomegranate—a primary dietary source—has been studied clinically for reducing oxidative stress in hemodialysis patients.

E. littorale treatment in 84 T2D patients produced significant improvement in kidney function parameters over three months. Animal studies confirm nephroprotective activity and reduction of renal cholesterol and triglyceride accumulation. In vivo nephroprotection data and clinical kidney function normalization are both documented.

Eucommia has both traditional and modern scientific support for kidney health. A 2025 single-arm clinical trial showed significant SBP reduction in CKD patients, and preclinical studies demonstrate protection against diabetic nephropathy and renal fibrosis. The TCM framework explicitly identifies eucommia as a kidney tonic.

A 2025 systematic review across multiple databases found consistent preclinical evidence that fisetin protects against nephrotoxicity, drug-induced kidney injury, diabetic nephropathy, and lupus-induced nephropathy via antioxidant and anti-inflammatory mechanisms. Clinical evidence is absent.

Preclinical research has identified nephroprotective properties of Forsythia suspensa, particularly forsythoside A, in models of sepsis-related acute kidney injury and nephrotoxicity. Pharmacological review literature characterizes nephroprotective activity as one of its documented activities. No human clinical trials specifically assessing kidney health endpoints have been published.

Poria cocos exerts renal-protective effects via its diuretic action, anti-inflammatory properties, and antioxidant activity in preclinical kidney injury models. Carboxymethylated polysaccharides reduced TNF-α, IL-6, and IL-1β in septic acute kidney injury rats. Triterpenoids from the surface layer have demonstrated protective effects in chronic kidney disease models.

Traditional Chinese medicine has used Ganoderma to treat nephritis and support kidney function. A 2025 meta-analysis of 17 human RCTs found a significant reduction in serum creatinine with Ganoderma supplementation, and preclinical studies show renal protection.

Ginger (Zingiber officinale) has documented anti-inflammatory and antioxidant properties through its active components gingerols and shogaols, which have been shown in preclinical studies to protect kidney tissue by modulating NF-κB inflammatory pathways and reducing oxidative stress. A 2022 review documented its bioactive components' anti-inflammatory effects modulating NF-κB and cytokine pathways relevant to kidney damage protection.

The European Medicines Agency (EMA) recognizes goldenrod as a traditional herbal medicinal product for increasing urine output to support flushing of the urinary tract. Pharmacological studies confirm diuretic, anti-inflammatory, antispasmodic, and analgesic actions relevant to kidney and urinary tract health. Open non-randomized clinical studies show effectiveness in cystitis and urinary tract disorders over 2–4 weeks. Saponins in goldenrod are thought to increase renal blood flow and glomerular filtration.

Amla supplementation has been shown to reduce age-related renal lipid accumulation in studies, and its high antioxidant content is mechanistically linked to prevention of oxidative renal injury. PMC literature documents amla's potential for preventing age-related kidney disease.

Hesperidin demonstrates renoprotective effects in multiple preclinical models of kidney injury including nephrotoxin-induced, hypertension-related, and oxidative-stress-related renal damage. It reduces renal oxidative stress markers, serum ACE activity, and TGF-β1, and modulates angiotensin receptor expression to protect kidney function. Human clinical data specific to kidney endpoints are absent.

Clinical and preclinical evidence supports nephroprotective effects of Hibiscus sabdariffa. An RCT in diabetic nephropathy patients found HS supplementation improved renal function markers including blood urea nitrogen, serum creatinine, and urine albumin. HS also demonstrated uricosuric effects in a human study and antiurolithiatic activity in animal models.

Multiple animal studies and in vitro experiments have investigated hydrangea extracts for renoprotective effects. Total coumarins from H. paniculata significantly reduced BUN and creatinine in cisplatin-induced and LPS-induced acute kidney injury mouse models. Skimmin specifically slowed progression of membranous glomerulonephritis in rats by reducing BUN, urinary albumin excretion, and immune complex deposition. No human trials exist.

Clinical trials show gum arabic (Acacia arabica/senegal) supplementation improves renal biomarkers in chronic kidney disease and haemodialysis patients. A phase II trial and multiple studies documented reductions in urea, creatinine, and inflammatory markers. A 2023 systematic review and meta-analysis confirmed these findings.

Nephroprotective (renoprotective) activity of H. indicus root extracts is listed among its confirmed pharmacological properties in multiple published reviews. In vivo studies have shown protection of kidney tissue against oxidative stress and toxic insult, and the plant is classically used as a diuretic in Ayurveda.

The kidneys are a primary site of L-carnitine synthesis; renal disease leads to carnitine deficiency. The FDA has approved IV L-carnitine for carnitine deficiency in dialysis patients. In end-stage renal disease, carnitine deficiency contributes to anemia, fatigue, cardiomyopathy, and muscle weakness.

Histidine is considered conditionally essential in chronic kidney disease (CKD), where plasma levels are consistently depressed. Low plasma histidine in CKD independently predicts protein-energy wasting, oxidative stress, inflammation, and greater mortality. Supplementation has shown benefit in uremic patients, and histidine-deficient diets exacerbate anemia in CKD.

Lotus seedpod extract protected against cisplatin-induced renal injury in vitro and in vivo via antioxidant mechanisms. Lotus seed extract also protected kidney tissue from CCl4-induced oxidative damage in mice. In TCM, lotus seeds are assigned to the Kidney meridian and used to tonify kidney function.

MMSC has demonstrated nephroprotective activity in rat models of aminoglycoside-induced nephrotic syndrome and mouse models of streptozotocin-induced diabetic nephropathy. It improved kidney function parameters, reduced proteinuria, and modulated pro-inflammatory signaling in renal tissue. Evidence is entirely preclinical; no human kidney trials have been published.

Milk thistle (Silybum marianum) and its active flavonolignan complex silymarin have documented nephroprotective properties beyond their well-known liver benefits. Clinical trials demonstrate that silymarin protects against nephrotoxicity from agents such as cisplatin (chemotherapy) and cyclosporine. Animal studies show silymarin reduces proteinuria and alleviates renal tissue damage in diabetic models, and adding it to renin-angiotensin system inhibitors significantly reduced urinary albumin excretion in diabetic nephropathy patients.

Moringa oleifera has preclinical evidence for nephroprotective effects, demonstrating the ability to reduce kidney damage markers and oxidative stress in animal models. Rich in antioxidant flavonoids (quercetin, myricetin), kaempferol, and glucosinolates, it has been studied for protection against nephrotoxin-induced and diabetes-related kidney injury. In Ayurveda it is prescribed for kidney stone management and urinary health.

A clinical trial in 60 diabetic patients with kidney damage found M. alba supplementation improved antioxidant status and blood lipid profiles, suggesting a renoprotective effect. Preclinical studies and the 2023 PubMed review confirm Morus alleviates kidney damage in hyperglycaemic models.

N-Acetyl Cysteine (NAC) is a well-established nephroprotective agent, most notably for preventing contrast-induced nephropathy (CIN) in patients undergoing radiographic procedures. Multiple meta-analyses and clinical trials support its use to protect kidney function by replenishing glutathione, a key renal antioxidant. It is also studied for protection against cisplatin nephrotoxicity and as a supportive treatment in CKD.

Naringin exerts nephroprotective effects against oxidative, toxic, and ischemic kidney injury in preclinical models, reducing creatinine, BUN, and inflammatory markers. It activates Nrf2 and suppresses NF-κB to protect renal tissue. A 2022 review confirmed naringin as a promising candidate for kidney dysfunction prevention; no human clinical trials have been published.

Stinging nettle (Urtica dioica) is used traditionally across Europe, Ayurveda, and North American herbalism as a kidney tonic and diuretic. Its leaf and seed have different kidney-related properties: the leaf provides diuretic (aquaretic) and anti-inflammatory action, while the seed is considered a more direct kidney trophorestorative in Western herbal practice. Research highlights its anti-inflammatory and antioxidant compounds, linked to reduced oxidative stress associated with kidney damage.

Okra has been studied clinically in diabetic nephropathy patients. A 2024 RCT evaluated dried okra extract on lipid profile, renal function, and RAGE-related inflammatory genes in diabetic nephropathy. A separate triple-blind RCT assessed effects on glycemic control, inflammation, kidney function, and PPAR/TGF-β/Nrf-2 gene expression in nephropathy patients.

OA protects against renal fibrosis, oxidative kidney damage, and diabetic nephropathy in multiple animal models. Mechanisms include Nrf2-mediated antioxidant enhancement, TGF-β/Smad pathway inhibition, and suppression of inflammatory cell infiltration. Protection against renal oxidative stress is also documented in diet-induced prediabetes models.

Ophiopogonin D and polysaccharide MDG-1 from O. japonicus both protect kidney function in diabetic nephropathy animal models, reducing markers of renal damage including creatinine, BUN, and fibrosis. O. japonicus polysaccharides are noted for renal protective activity in published reviews.

Preclinical studies demonstrate that Ophiopogon root constituents protect against diabetic nephropathy. MDG-1 polysaccharide (300 mg/kg, 12 weeks in KKAy mice) significantly reduced blood urea nitrogen, albumin, TGF-β1, and alleviated glomerular mesangial expansion and tubulointerstitial fibrosis. Ophiopogonin D reversed renal dysfunction markers in STZ-induced diabetic nephropathy rats, including serum creatinine, BUN, and kidney hypertrophy.

P. foetida possesses documented nephroprotective activity, protecting the kidneys from diabetic and toxic insults. Preclinical studies show it reduces kidney inflammation via NF-κB inhibition, normalizes serum creatinine and BUN, and enhances renal antioxidant enzymes.

Parsley has documented nephroprotective and diuretic properties, supported by preclinical and limited human data. Its flavonoids and volatile oils increase urine output via Na+/K+-ATPase inhibition, reduce renal oxidative stress, and improve biomarkers of kidney function. A 2024 systematic review in Frontiers in Medicine consolidates both animal and limited human study findings.

Phyllanthus (principally P. niruri, P. amarus) is the genus from which chanca piedra (stone breaker) derives, with well-documented clinical evidence for kidney stone management and urinary tract health. Multiple clinical studies support its use for reducing kidney stone recurrence, modifying urinary metabolic risk factors for stones, and its traditional use in Ayurvedic, Amazonian, and South Asian medicine for renal health.

P. umbellatus is among the best-studied medicinal fungi for kidney health, showing nephroprotective, diuretic, and anti-fibrotic effects. Multiple in vivo studies and clinical prescriptions document its role in chronic renal failure, kidney fibrosis, and nephrotic edema.

Pomegranate (Punica granatum) is rich in ellagitannins (punicalagins, ellagic acid), anthocyanins, and polyphenols with documented clinical evidence for kidney benefit in hemodialysis and CKD patients. A 1-year RCT in 101 hemodialysis patients found pomegranate juice significantly reduced inflammatory markers (CRP, IL-6, TNF-α), oxidative stress, and hospitalization rates. It also demonstrates antilithogenic effects by reducing urinary calcium oxalate crystallization.

Low dietary potassium intake is increasingly recognized as a risk factor for kidney injury and accelerated chronic kidney disease (CKD) progression. The kidney is the primary organ regulating potassium homeostasis, but potassium also reciprocally affects renal function. Higher potassium intake is associated with lower albuminuria and slower eGFR decline in population studies.

Psyllium is recognized as a suitable fiber supplement in chronic kidney disease (CKD) due to its low potassium and phosphorus content. Epidemiological data (NHANES III, n=14,543) link higher dietary fiber intake to reduced inflammation and CKD mortality. Preclinical CKD models show psyllium reduces serum creatinine, blood urea nitrogen, and uremic toxins (indoxyl sulfate) via the gut–kidney axis; clinical use in pre-dialysis CKD for constipation is supported by RCT evidence.

Puerarin is an isoflavone C-glycoside from kudzu root (Pueraria lobata), recognized as one of five TCM herbs with sufficient clinical evidence for CKD in a PMC review. It protects against diabetic nephropathy and CKD progression via antioxidant, anti-inflammatory, and antifibrotic mechanisms. Clinical and experimental studies demonstrate reductions in proteinuria, creatinine, and renal fibrosis markers.

Punicalagins are the primary polyphenolic ellagitannins in pomegranate, responsible for its potent antioxidant and anti-inflammatory effects documented in CKD and dialysis patients. They hydrolyze to ellagic acid and are metabolized to urolithins with nephroprotective properties. Clinical pomegranate studies demonstrating reduced inflammation and oxidative stress in hemodialysis patients are largely attributable to punicalagins as the dominant bioactive.

Quercetin is a ubiquitous flavonoid with well-documented antioxidant and anti-inflammatory properties that extend to nephroprotection. Multiple preclinical studies demonstrate its ability to reduce nephrotoxin-induced kidney damage, protect against diabetic nephropathy, and reduce renal fibrosis markers. Clinical studies in CKD and dialysis patients have shown reductions in inflammatory biomarkers and oxidative stress markers with quercetin supplementation.

Rehmannia glutinosa (Di Huang) is a principal kidney-supporting herb in TCM, used for over 1,500 years as a 'Kidney Yin tonic.' It is the principal ingredient in Liu Wei Di Huang Wan, one of the most prescribed TCM formulas for kidney-related conditions. Animal studies show nephroprotective effects in CKD models via modulation of intestinal microbiota and renal oxidative stress, and clinical population data support reduced kidney failure risk when used as part of standard TCM formulas.

Rehmannia is one of the most studied Chinese herbs for kidney support, with clinical evidence that Liuwei Dihuang formulas reduce proteinuria in diabetic nephropathy and chronic kidney disease. Rehmannia plus irbesartan decreased urinary protein in CKD patients. It is listed in the Pharmacopoeia of the People's Republic of China for kidney tonification.

Reishi extracts demonstrate renoprotective effects in preclinical models, confirmed by MSKCC and peer-reviewed reviews. In vitro and in vivo studies show reishi reduces oxidative stress, inflammatory markers, and histological damage in kidney tissue. No standalone human RCTs on renal function have been published, but the preclinical mechanistic evidence is characterised as established by authoritative sources.

Multiple human clinical trials and a meta-analysis demonstrate rhubarb root's ability to slow progression of chronic renal failure, reducing serum creatinine, blood urea nitrogen, uric acid, and proteinuria while improving GFR. A 2014 RCT and a 2023 meta-analysis of multiple trials confirm these findings.

Rosmarinic acid has shown renoprotective effects in preclinical models, protecting against oxidative damage, reducing inflammation in renal tissue, and being investigated in combined hypertension-diabetes-nephrolithiasis rat models. In hemodialysis contexts, RA-supplemented dialysate reduced pro-inflammatory cytokine production from human vascular endothelial cells. However, direct human RCTs for kidney outcomes are absent.

Preclinical studies demonstrate rutin protects kidneys from oxidative damage, diabetic nephropathy, and drug-induced nephrotoxicity through antioxidant and anti-inflammatory mechanisms. No human clinical trials specifically targeting kidney outcomes with rutin have been identified.

Salvianolic acids (A and B) are the primary water-soluble bioactive components of danshen (Salvia miltiorrhiza) with documented nephroprotective effects including reduction of renal fibrosis, anti-inflammatory activity, and antioxidant protection in the kidney. They are identified in authoritative reviews as key active components of one of the five TCM herbs with the strongest clinical evidence for CKD.

Schisandrin B and related schisandrins from Schisandra chinensis (Wu Wei Zi) have preclinical and some clinical evidence for nephroprotection, including protection against nephrotoxin-induced acute kidney injury. Wu Wei Zi is used in TCM as a kidney tonic herb and has been studied in the context of drug-induced and oxidative kidney damage.

Poria cocos sclerotium is classically used as a diuretic in TCM, with modern animal studies confirming diuretic and nephroprotective effects. Polysaccharides protect against acute kidney injury and chronic kidney disease via NF-κB and Nrf2 pathway modulation.

SDG has demonstrated renal protective effects in animal models of chemically induced nephrotoxicity (cadmium, benzo[a]pyrene), lupus nephritis, and polycystic kidney disease, reducing lipid peroxidation, inflammation, and renal injury markers. A review in PMC confirmed SDG interferes with lupus nephritis by delaying proteinuria onset and reducing renal inflammation.

Silybin (silibinin) is the principal active flavonolignan component of silymarin (milk thistle extract) with documented direct nephroprotective effects. It has been specifically studied for protection against cisplatin, cyclosporine, and gentamicin nephrotoxicity. It prevents high glucose-induced oxidative stress and podocyte injury in vitro and in vivo, directly relevant to diabetic nephropathy.

Silymarin is the standardized flavonolignan complex from milk thistle (Silybum marianum) with documented clinical nephroprotective evidence. Clinical trials demonstrate silymarin protects against cisplatin-induced nephrotoxicity and reduces urinary albumin excretion in diabetic nephropathy patients when added to renin-angiotensin system inhibitors. Its primary mechanisms include Nrf2 activation, glutathione replenishment, and anti-inflammatory activity in renal tissue.

Smilax glabra has been used in TCM for nephritis and kidney conditions for centuries. Animal studies demonstrate that its flavonoid-rich fractions reduce uric acid nephropathy by lowering uric acid, reducing renal oxidative stress and inflammation, and modulating renal urate transporters. A historical report showed that sarsaparilla increased urinary excretion of uric acid in chronic nephritis patients.

In type 2 diabetic patients with nephropathy, soy protein substitution for animal protein significantly reduces proteinuria, urinary creatinine, blood urea nitrogen, and CRP in RCTs. Soy protein generates less renal acid load and fewer nephrotoxic metabolites than animal protein, supporting kidney function in CKD populations.

In patients with chronic kidney disease (CKD), soy protein containing isoflavones has been associated with reductions in proteinuria, serum creatinine, and CRP in predialysis populations. A meta-analysis of 12 RCTs supports a nephroprotective signal.

Clinical and mechanistic evidence supports that soy protein has renoprotective effects, particularly in chronic kidney disease (CKD). Soy protein has been shown to have direct renal effects that improve renal function, and soy intake is associated with improvements in antioxidant status and reduced systemic inflammation in CKD patients. Genistein prevents CKD development by inhibiting inflammation and fibrosis. Soy protein may lower blood pressure through decreased angiotensin-converting enzyme activity, indirectly protecting the kidneys.

SPMs protect against kidney inflammation in diabetic nephropathy and acute kidney injury models. Reduced SPM levels have been associated with progressive renal dysfunction in human studies. Resolvins and protectins are produced in renal tissue and exert nephroprotective effects via macrophage modulation.

A 9-month randomized, placebo-controlled clinical trial in 97 CKD patients found stevioside supplementation significantly reduced microalbuminuria, serum creatinine, serum uric acid, and inflammatory markers, and reduced blood pressure. Effects partially reversed during a 3-month washout period, indicating treatment dependence. Animal studies also document protective effects against renal damage.

Animal studies (PMC, 2021) demonstrate nephroprotective activity of A. calamus, with improved urinary creatinine clearance, GFR, and histopathological kidney protection. Traditional use for kidney troubles is consistently documented across Ayurvedic and Unani systems.

Tanshinones (primarily tanshinone IIA and cryptotanshinone) are lipophilic diterpene quinones from danshen (Salvia miltiorrhiza), identified as key nephroprotective compounds in one of the most-studied TCM herbs for CKD. They inhibit renal fibrosis via TGF-β1/SMAD pathway suppression, reduce mesangial proliferation, and have anti-inflammatory and antioxidant effects documented in multiple animal and some clinical studies.

Taurine is generally renoprotective in animal models, decreasing cellular damage and proteinuria following nephrotoxic insults. Taurine has been shown to influence several types of kidney disease including acute kidney injury, glomerulonephritis, and diabetic nephropathy, primarily in preclinical settings.

T. cordifolia exhibits nephroprotective activity in gentamicin-induced and diabetic nephropathy models, reducing creatinine, urea, and proteinuria markers. Animal studies confirm it protects against nephrotoxic agents via antioxidant and anti-inflammatory mechanisms.

Turmeric (Curcuma longa) and its primary bioactive, curcumin, are well-studied for nephroprotective effects, particularly in diabetic nephropathy and CKD. Curcumin reduces renal inflammation via NF-κB pathway inhibition and activates Nrf2 antioxidant defenses. Clinical data in diabetic nephropathy patients show improvements in creatinine, BUN, and proteinuria. Turmeric/curcumin is recommended by multiple kidney health frameworks as an anti-inflammatory kidney-supportive herb.

In TCM, adzuki bean (Chi Xiao Dou) is prescribed to promote diuresis, clear heat and dampness, and support kidney fluid metabolism; it is listed in the Chinese Pharmacopoeia for diuresis and swelling. Animal research shows adzuki bean seed coats protect against cisplatin-induced renal interstitial fibrosis via proanthocyanidins. Human clinical evidence for direct kidney protection is lacking.

Aerva lanata is an Ayurvedic herb (Pashanabheda/Gorakhbuti) traditionally used in South Asian and African traditional medicine specifically for kidney stones, urinary tract infections, and diuresis. It has been documented in Ayurvedic pharmacopoeia for urinary system and kidney stone management for centuries, with supporting preclinical evidence for anti-urolithic and diuretic activity.

Agrimony is traditionally used for kidney inflammation (pyelonephritis) and is described in multiple European folk medicine traditions as beneficial for kidney and urinary diseases. Its diuretic, anti-inflammatory, and antimicrobial properties underpin this use. No clinical trials specific to kidney disease exist.

Alfalfa has longstanding traditional use for kidney disorders across Ayurvedic and early American herbal medicine, attributed to its purported diuretic and kidney-tonic effects. RxList and Drugs.com pharmacological monographs document kidney conditions as a traditional indication. No controlled human studies support this use.

In TCM, anemarrhena nourishes Kidney Yin and clears Kidney heat, and is incorporated in formulas addressing steaming bone disorder, nocturnal emissions, and Kidney yin deficiency syndromes. It is used traditionally to support kidney function as a diuretic and to address kidney-related symptoms.

Asparagus has a long, well-documented traditional use across European, Asian, Chinese, and Persian medical traditions for kidney and urinary complaints, including inclusion in several national pharmacopoeias for kidney irrigation therapy. Modern animal data suggests nephroprotective and ACE-inhibitory effects relevant to kidney function, but formal human RCT evidence is absent.

Banaba leaves have been used in Philippine folk medicine for kidney-related conditions including kidney stones and kidney cleansing. Laboratory and animal studies indicate nephroprotective effects, with banaba extract reducing kidney damage markers in high-cholesterol/high-sugar diet models. No human clinical trials specifically addressing renal endpoints have been published.

Basil has been used in Ayurveda and traditional medicine for kidney problems and urinary tract infections. Its diuretic properties are documented in traditional herbalism. Animal models show it does not exhibit nephrotoxicity at studied doses, but no clinical trials target kidney health as a primary outcome.

Bearberry (Arctostaphylos uva-ursi) contains arbutin, which is hydrolyzed to hydroquinone in alkaline urine to exert urinary antiseptic effects. The European Medicines Agency (EMA) and German Commission E recognize bearberry leaf's traditional use for mild urinary tract infections, an application directly relevant to preventing infection-related kidney damage. It has been used in European folk medicine for urinary and kidney conditions for centuries.

Birch leaf is formally recognised by EMA, ESCOP and the German Commission E for urinary tract irrigation including support of kidney health through promotion of urine flow in cases of renal gravel and minor infections. Birch buds are additionally used in Eastern European traditions as a kidney drainage remedy. Evidence is traditional with pharmacological plausibility.

Indigenous and ancestral healing traditions worldwide held that consuming the kidney of a healthy animal nourishes and supports the corresponding organ in humans—the principle of 'like supports like.' This practice is documented across Native American and other traditional cultures. No controlled human clinical trials support glandular bovine kidney supplementation for kidney health.

Buchu (Agathosma betulina and related species) is a South African herb with documented traditional use by the Khoikhoi and San peoples, and later adopted in European herbal medicine, as a urinary tract and kidney remedy. The European Medicines Agency (EMA) Committee on Herbal Medicinal Products (HMPC) and German Commission E recognize buchu's traditional use for increasing urinary output and treating minor urinary complaints.

Burdock root has a long traditional use as a kidney-supporting diuretic across European and TCM herbal medicine. The EMA recognizes it as a traditional herbal medicine to increase urine output, facilitating elimination during minor urinary tract infections and aiding the kidneys' natural filtration. Animal studies suggest it may reduce kidney stone risk by increasing urinary excretion.

Cardamom is classified in Ayurvedic medicine as a diuretic and kidney tonic, used for renal calculi, kidney infections, and urinary clearance. Animal research has explored nephroprotective effects. A pharmacological study documented diuretic activity. Human clinical trials targeting kidney function are absent.

Cowpea is described as mildly diuretic in the Ayurvedic tradition and has been used in folk medicine to manage mild edema, reflecting traditional recognition of kidney relevance. No human clinical evidence for kidney-specific protective effects has been found.

A US patent (US6261588) claims champignon mushroom extract for preventing or treating renal diseases including progressive renal failure and various nephritides. Human clinical trial safety data (12-week trial, 3 g/day) showed no adverse changes in kidney function tests. Champignon extract's reduction of blood ammonia and intestinal putrefaction products is proposed to reduce uremic burden on kidneys, but this endpoint has not been tested in dedicated human renal trials.

Chickweed is traditionally used as a mild diuretic supportive of kidney and bladder function, helping eliminate excess uric acid, toxins, and waste via the urinary system. Traditional texts and herbalist monographs consistently document this use. No clinical studies are available.

Cleavers is deeply documented across European, Balkan, and Native American herbal traditions as a kidney tonic and diuretic, used for urinary retention, gravel, and kidney inflammation. Preclinical data support antioxidant and diuretic mechanisms relevant to renal protection. No human trials exist.

Corn silk has been traditionally used for kidney conditions including nephritis, kidney stones, and nephrotoxicity across multiple medical traditions. Preclinical studies show renoprotective effects, including reduction of creatinine and urea levels and protection against nephrotoxic agents. Human clinical evidence remains limited.

Corn silk (Zea mays stigma) has been used in Native American, Chinese, and European folk medicine for centuries as a diuretic and urinary tract remedy for kidney stones, cystitis, and urinary health. Multiple ethnobotanical and pharmacological reviews support its traditional kidney and urinary applications, with preclinical evidence for diuretic, anti-inflammatory, and anti-urolithic activity. It is recommended in traditional herbal medicine systems across multiple cultures for kidney and urinary stone prevention.

Devil's Claw has historically been used in southern African folk medicine for liver and kidney disorders. Multiple ethnobotanical and pharmacopoeia references document this traditional use. The British Herbal Pharmacopoeia also recommends it as a diuretic. No clinical trials have evaluated renal outcomes.

Dog Rose has documented traditional use for kidney health and disorders across multiple folk medicine systems, supported by animal evidence showing Rosa canina extract reduced renal oxidative stress markers and kidney stone formation. No controlled human kidney-function trials exist; the evidence is traditional with animal study support.

Goji berry (Lycium barbarum, wolfberry) is a foundational TCM herb used for centuries to tonify kidney essence (Jing) and liver blood, prescribed for kidney deficiency patterns including lower back weakness, tinnitus, and reduced sexual vitality. Preclinical studies show nephroprotective effects against cisplatin and other nephrotoxins, attributed to its polysaccharide (LBP) content and betaine.

Gravel root has been used in traditional medicine primarily for supporting kidney function, addressing renal irritation, edema, and urinary retention. The Cherokee used it as a kidney remedy. No controlled human studies confirm renal benefits.

Horsetail (Equisetum arvense) has been used in European traditional medicine for centuries as a diuretic herb for kidney and bladder support, including for kidney stones and urinary tract complaints. The European Medicines Agency (EMA) recognizes its traditional use for increasing urine output to aid in minor urinary complaints. Its silica content and mild diuretic action underpin its traditional kidney-supportive role.

Milkweed has an extensively documented traditional use for kidney and urinary problems, including kidney stones and dropsy. Multiple ethnobotanical sources record its use for kidney dysfunction among Indigenous North American peoples. It was listed in 19th-century pharmacopeias for kidney-related conditions. No clinical studies have evaluated this use.

Kidney-yang tonification is the foundational traditional Chinese medicine action of M. officinalis ('nourishing the kidney'), applied for kidney deficiency syndromes. Modern pharmacology identifies rutin in M. citrifolia as renal-protective via antioxidant inhibition of ROS and restoration of manganese-SOD and GSH.

Kidney disease is explicitly listed by the NCCIH as a traditional indication for feverfew, documented in folk and traditional medicine use across multiple cultures. No clinical studies of any design have examined feverfew for renal health outcomes.

Traditional healers in Ladakh and European herbalists have documented the use of pennycress seeds for kidney and urinary disorders, including renal inflammation. Nicholas Culpeper specifically described its use for inflammations of the kidneys. No clinical trials have evaluated these uses.

Multiple Plantago species have documented diuretic properties and traditional use for kidney support. P. asiatica is used in TCM as a diuretic. P. major has diuretic properties documented in the ethnobotanical literature. Psyllium (P. ovata) has been studied in CKD animal models for modulating gut-kidney inflammatory axis.

Plantago species are used in traditional medicine for kidney-related complaints. Kidney stones are listed among traditional applications. Psyllium fiber from P. ovata seeds demonstrated reduced renal tubular injury in CKD animal models by modulating the gut–kidney axis and reducing uremic toxin accumulation. Evidence is preclinical and traditional for P. major specifically.

Prunus africana is widely used in African traditional medicine for kidney disorders, documented in ethnomedicinal surveys across East and Southern Africa. The Medscape drug reference lists kidney disease among its traditional indications. Pharmacological evidence remains largely preclinical; controlled clinical kidney-endpoint trials are lacking.

Punarnava (Boerhavia diffusa) is synonymous with the Boerhavia diffusa entry and represents a core Ayurvedic kidney herb. It is described separately here as 'punarnava' per the candidate ingredient list.

Rose hip is documented in European, German, and Traditional Chinese Medicine as a kidney tonic, used to support kidney function through mild diuretic activity, antioxidant protection of renal tissue, and urinary tract cleansing. Traditional monograph sources and ethnobotanical records consistently list kidney support as a primary rose hip use.

Sarsaparilla has a long traditional use as a diuretic and urinary system tonic across Central and South American, Chinese, and European herbal systems. Preclinical evidence (MSKCC) shows renoprotective properties of astilbin in diabetic nephropathy rat models. Human clinical evidence is absent, and Commission E notes potential for kidney irritation at higher doses.

Shepherd's purse has a documented traditional role in supporting kidney function, particularly for hematuria from kidney stones, kidney inflammation, and edema. The PMC 2024 comprehensive review confirms historical use 'to treat edema, hypertension, kidney and nerve disorders.' Its diuretic action and phosphate excretion support are the primary mechanisms cited.

Shilajit (Asphaltum/Mineral pitch) is a classical Ayurvedic mineral-herb preparation documented for thousands of years for kidney support, with properties described as anti-inflammatory, antioxidant, and diuretic. It is traditionally prescribed in Ayurveda for kidney stones, urinary tract conditions, and as a kidney rejuvenator (Mutra Sangrahaniya). Fulvic acid, its primary active component, has been studied for antioxidant and nephroprotective effects.

Native American tribes used S. lateriflora as a 'bitter tonic for the kidneys,' documented in ethnobotanical sources and confirmed by NIH LiverTox. TCM uses S. baicalensis for urinary conditions. No modern pharmacological or clinical evidence specific to kidney function in humans has been verified.

Kidney diseases are among the traditional indications for P. hydropiper documented in ethnomedicinal literature across South and Central Asia. Its diuretic classification in traditional systems directly supports this association.

Solomon's seal is documented as a kidney tonic in Ayurvedic medicine, TCM, and Iranian traditional medicine. TCM specifically lists 'tonifying the kidneys' among its key actions. It has been used for kidney stones, gout, and general kidney support across multiple traditions.

In TCM, teasel root is considered a primary tonic for the kidneys, viewed as the storehouse of Jing (essential energy). It is used to address kidney deficiency symptoms including fatigue, dizziness, and tinnitus. European herbalists similarly used wild teasel root as a diuretic and for kidney complaints. These uses are traditional and no human clinical renal studies have been published.

T. chebula is traditionally used in Ayurvedic medicine for kidney and urinary dysfunction, including renal calculi. It is an ingredient in the classical Triphala formula used for liver and kidney dysfunctions as documented in the Ayurvedic Pharmacopoeia. The bark is traditionally used as a diuretic. Animal studies suggest renoprotective antioxidant activity.

Tribulus (Gokshura) is a classical Ayurvedic herb for kidney and urinary health. Preclinical evidence shows renoprotective effects via antioxidant, anti-inflammatory, and diuretic mechanisms. Traditional use for kidney stones, urinary retention, and renal tonic is well-documented across Ayurveda, TCM, and Arabic medicine.

Tribulus terrestris (Gokshura) is a classical Ayurvedic herb used for millennia to support kidney and urinary tract health, improve urine flow, and address urinary calculi. It is standard in Ayurvedic protocols for kidney stone prevention and urinary tract strength. Some preclinical studies support its diuretic, anti-urolithic, and anti-inflammatory activities relevant to kidney health.

Triphala (a combination of Terminalia chebula, Terminalia bellerica, and Emblica officinalis) is a classical Ayurvedic polyherbal formula traditionally used to support kidney health by preventing swelling, reducing kidney damage, and supporting urinary tract function. Ayurvedic practitioners have used Triphala as a kidney-protective and detoxifying formula for centuries.

Varuna (Crateva nurvala/religiosa) is a classical Ayurvedic herb documented for centuries specifically for kidney stones, urinary tract disorders, and renal health. In Ayurveda, it is prescribed to prevent kidney stone formation, break down existing stones, reduce kidney inflammation, and increase urine output. It is a standard ingredient in Ayurvedic formulas for nephrolithiasis alongside Punarnava and Gokshura.

Watermelon has traditional use in multiple cultures, including traditional Chinese medicine, as a diuretic and kidney-supportive food. Its high water content (92%) promotes urine flow, and citrulline may ease kidney workload by improving renal blood flow. Robust clinical evidence specific to kidney function improvement is limited.

Wheatgrass is traditionally used for kidney conditions including kidney swelling (nephritis) in naturopathic literature. Animal studies show that wheatgrass extract reduces kidney damage markers (creatinine, urea, BUN) under diabetic and toxic conditions. No human RCT has been conducted for kidney health.

X. strumarium is described as a diuretic herb with traditional use for urinary tract complaints including painful urination and diseased kidneys in Southwestern US, Indian, and Bangladeshi ethnomedicine. Preclinical diuretic activity has been demonstrated in animal models. However, high doses are documented to cause nephrotoxicity, creating a narrow therapeutic window.