Tamarind

Other Names

Ai-sucaerAjagbonAmalahAmalaphalamAmalikaAmbliAmiliAmlaAmlahAmlamAmlantikiAmlaphalahAmlavrukshahAmliAmlikaAnabalahAnbliArdeibArdeibaAsamAsam jawaAsem jawaAssamBeetaBochochoBwenbaCamalindoChandaChandahCharitraChinchChinchaChinchikaChinchyaamChintachettuChintapanduChinthaChintidiChukraChukramlaChukrikaCwaoDantashathaDar-al-sidaDemirhindiEmliEpeduraEpeduruGurupatraHuliHumarHunaseHunasehannuIcheku oviboImaliImbliImliImli muqqasharIndian dateJajo dariKailemuKataraKilyKonyaKoreLoan-tzMa-gyi-thiMa-khamMaak kaamMadeira mahoganyMadiroMagyi-thiMaha-siyambalaMahamlamMai ma kamMaihangMak khamMakhamMangeManggeMboulamMeMkogeMkwajuMkwazuMkwesuMoyaMsisiMukogeNaattupuliNkwesuOlmasambraiPalaPhalamlamPuliPuliyam palamQiubi-aiazengRaqayRooqaSabaraSambagSambayaSampalocSampalokSarvamdaShreshtamlamShuktaShuktikaSinchaSintachettuSiyambalaSom ma khamSour tamarindStambhainikaSuancouSukaerSwee boeySweet tamarindTamaleniTamar hindiTamar indiTamar-i-hindiTamarandiTamareTamarenTamareniTamariindiTamarinTamarin des BasTamarind treeTamarindeTamarindeiroTamarindenbaumTamarindiTamarindoTamarindus erythraeus MatteiTamarindus indica L.Tamarindus occidentalis Gaertn.Tamarindus officinalis Hook.Tamarindus somalensis MatteiTamarindus umbrosa Salisb.TamarineiraTamarineiroTamarinierTamarinier des BasTamerineTamónTamr hindiTamr-ul-HindTamrindTate amiloTeng-te-reTentelaTenteliTentulTentuliTeteliTetulTetuliTheipaiTintidahTintidiTintidikaTintiliTintilikaTintiriTintriTintriniTintuliTitriTsamiaTsamiyaValamapuliValampuliVoamadiloVrukshamlamWit asemYod kaam

Synopsis

Tamarind (Tamarindus indica L.)

1. Identity: Botanical Classification, Source, and Common Forms

Taxonomy and Nomenclature

Tamarindus indica L. is the sole species in the genus Tamarind, a member of the subfamily Caesalpiniaceae in the family Leguminosae (Fabaceae), extensively dispersed in many tropical and subtropical regions. The plant's Arabic name, Tamr Al-Hindi, is the basis for its English name, Tamarind. The species name attributed by Linnaeus reinforced its connection with India: indica (Indian), with the binomial designation Tamarindus indica meaning the "Indian date of India."

Tamarindus indica Linn., commonly known as Tamarind and belonging to the family Fabaceae, is a long-living, huge, evergreen or semi-evergreen tree, 25–35 meters high with a wide trunk up to 1.0–2.5 meters.

Geographic Origin

Tamarindus indica is indigenous to tropical Africa, where botanical studies place its native domestication within the dry savannas of the Sudanian belt, extending from Sudan, especially Kordofan, westward across sub-Sahelian Africa. Although Linnaeus seemed to have favored an Indian origin, the native distribution of tamarind is not India—even though India is currently the most important grower of tamarind—but Africa, in the alimentary and medicinal traditions of which tamarind is well present. A role of tamarind in African culture confirms this origin. Today, the tamarind tree is found especially in the Indian subcontinent, Africa, Pakistan, Bangladesh, Nigeria, and most of the tropical countries.

Plant Parts Used and Commercial Forms

The plant is made up of about 30–50% pulp, 11–30% shell, and 25–40% seeds. The ripe fruit has 50%–60% edible pulp and contains fiber, carbohydrate, iron, water, protein, fat, ash, calcium, phosphorus, thiamine, vitamin C, riboflavin, and niacin.

Commercial and preparatory forms used in food, medicine, and industry include:

Fruit pulp: Used fresh, as a compressed block, as a concentrate or paste, and as a powder. The pulp is used for seasoning, in prepared foods, to flavor confections, curries and sauces, and as a major ingredient in juices and other beverages.
Seed extract and tamarind seed polysaccharide (TSP): The seeds of T. indica are rich in phytochemical compounds with health properties and are valuable sources of several important industrial products, such as polysaccharides, protein, oil, kernel powder, gum, and starch.
Leaf preparations: Used in decoctions and as food supplements, particularly in southern India.
Bark and root preparations: Used in traditional and folk medicine across Africa.
Ophthalmic drops: TSP-based eye drops for dry eye syndrome have been developed as pharmaceutical products.

2. Traditional and Historical Use

Ancient Origins and Pan-Cultural Spread

In traditional medicine, this genus has played a major role since the time of the ancient Egyptians. Arabic and European pharmacopoeias of the medieval and early modern periods listed tamarind preparations as official laxatives and refrigerants.

Africa

The availability of tamarind (Tamarindus indica L.) throughout the drier parts of tropical Africa and the fact that it is widely known, particularly in West Africa, make it an effective and reliable source of home medicine. The main uses of the fruit in West Africa are as a laxative and febrifuge, whereas bark and leaves are used for wound healing. Diarrhea is treated in East Africa with tamarind leaves, but in West Africa with its bark. In Uganda, Tamarindus indica was used for food, medicinal, cultural, social, environmental amelioration, and income generation purposes.

Indian Subcontinent and Ayurveda

The healing power of tamarind was first mentioned in traditional Sanskrit literatures. Tamarind is extensively used in Tamil Nadu, Karnataka, and Andhra Pradesh cuisines. Traditionally, Tamarindus indica has been used as an antidiabetic, digestive, expectorant, anti-pyretic, and anti-malarial agent.

Southeast Asia

In Southeast Asia, tamarind fruit is used as a poultice applied to the foreheads of people with fevers. The fruit exhibits laxative effects for relief of constipation. Extracts of steamed and sun-dried old tamarind pulp (asem kawa) in Java are used to treat skin problems, like rashes and irritation.

Folk Use in Other Regions

In the northern parts of Nigeria, the roots of the tamarind plant are thought to be useful for treating leprosy, and in America, tamarind pulp is considered in folk medicine to be a laxative and used for alleviating sunstroke and sore throats.

Official Pharmacopeial Recognition

It is one of the plants highly utilized medicinally due to its healing potential in numerous pharmacopoeias. The British and American pharmacopoeias indicated that the pulp has anti-pyretic, antiscorbutic, purgative, and relief properties for nausea and bile illness.

Summary of Traditional Uses by Plant Part

Fruit pulp: Laxative, febrifuge, digestive aid, treatment of bilious disorders, nausea, and scurvy.
Leaves: Wound healing, treatment of diarrhea (East Africa), anti-inflammatory applications, fever poultices (Southeast Asia).
Bark: Wound healing, treatment of diarrhea (West Africa).
Seeds: Anti-ulcer, anti-inflammatory preparations.
Folkloric medicine has traditionally used tamarind to treat a variety of conditions, including diabetes mellitus, fever, malaria, ulcers, diarrhea, dysentery, and wounds.

3. Key Constituents and Active Compounds

Fruit Pulp

The pulp has a high organic acid content, including malic acid, acetic acid, citric acid, oxalic acid, and especially tartaric acid (8–12%), which is responsible for giving the fruit its characteristic taste. The pulp also contains amino acids; invert sugar (25–30%); pectin; protein; fat; some pyrazines (trans-2-hexenal); some thiazoles (2-ethylthiazole, 2-methylthiazole) as fragrant compounds; and seed polysaccharides consisting of a main chain of β-1,4-connected glucose molecules together with xylose (alpha-1,6) and galactose; total protein; lipids with fatty oils; and some keto acids.

According to phytochemical analysis results, T. indica contains phenolic compounds like catechin, procyanidin B2, epicatechin, tartaric acid, mucilage, pectin, arabinose, xylose, galactose, glucose, uronic acid, and triterpenes.

Amino Acids

T. indica contains several amino acids, including essential amino acids such as leucine, lysine, and valine, which are vital for tissue growth and repair. It also contains non-essential amino acids, mainly aspartic acid and glutamic acid.

Fatty Acids

T. indica has fatty acids that are important because they can regulate cholesterol levels and inflammatory processes. Linoleic acid, oleic acid, and palmitic acid are present in the fruit pulp, but the pulp is not characterized by high levels of fatty acids like the seeds.

Leaves

In the leaves of the plant, two triterpenes, lupanone and lupeol, have been found.

Seeds

Tamarind seed is a rich source of phytochemicals, consisting of phenolic antioxidants such as 2-hydroxy-3′,4′-dihydroxyacetophenone, methyl 3,4-dihydroxybenzoate, 3,4-dihydroxyphenyl acetate, and epicatechin. The protective effect of T. indica seed comes from its polyphenolic compounds, mainly procyanidin, epicatechin, and polymeric tannins. These compounds have antioxidant effects and a protective role against free radicals.

Class Summary of Bioactive Constituents

The primary bioactive components of this species, which have a variety of biological functions, have been identified as flavonoids, phenolic contents, sterols, triterpenes, fatty acids, sugars, and other substances. The T. indica fruit contains different phytochemical compounds, such as flavonoids, tannins, alkaloids, and saponins, with therapeutic potential.

4. Established Mechanisms of Action

Antioxidant Mechanisms

These compounds exert free radical scavenging activity and improve antioxidant and detoxification enzyme activities. Tamarind seed extracts exhibit antioxidant potential by reducing lipid peroxidation in vitro.

Anti-inflammatory Mechanisms

Preclinical studies provided strong pharmacological evidence for the anti-inflammatory and analgesic activities of the different parts of T. indica, and this may be attributed to the various bioactive compounds in it including alkaloids, flavonoids, tannins, phenols, saponins, and steroids.

Antidiabetic / Glycemic Mechanisms

The antidiabetic activity has been assessed by in-vitro α-amylase and α-glucosidase inhibitory assays, suggesting inhibition of carbohydrate-hydrolyzing enzymes. As a mechanism of hypoglycemic effect, restoring pancreatic beta cells and repairing damage with subsequent increase of serum insulin has been suggested. Extra-pancreatic effects including insulin sensitization in target organs and inhibition of insulinase activity in both liver and kidney have also been proposed.

Laxative Mechanisms

The fruit is used as a laxative in traditional medicine because of its high malic acid, tartaric acid, and potassium content.

Hypolipidemic Mechanisms

Saponins present in T. indica are potent antihypercholesterolaemic agents in both animals and humans, as they are capable of precipitating cholesterol from micelles and interfering with enterohepatic circulation of bile acids, making them unavailable for intestinal absorption, leading to a reduction in plasma and hepatic cholesterol levels.

Ophthalmic Mechanism (TSP)

Tamarind seed polysaccharide (TSP) possesses mucomimetic, mucoadhesive, and pseudoplastic properties. The 'mucin-like' molecular structure of TSP is similar to corneal and conjunctival mucin 1 (MUC1), a transmembrane glycoprotein thought to play an essential role in protecting and wetting the corneal surface, and may explain its increased retention on the eye surface.

Fluoride Mobilization

The proposed mechanism for tamarind's ability to increase urinary fluoride excretion involves its tartaric acid and other organic acid content, which are thought to complex with fluoride ions and promote renal clearance. Tamarind intake led to a significant increase (P<0.001) in the excretion of fluoride in 24-hour urine (4.8±0.22 mg/day) compared to excretion on a control diet (3.5±0.22 mg/day). The conclusion was that tamarind intake is likely to help in delaying progression of fluorosis by enhancing urinary excretion of fluoride.

5. Scientific Evidence by Health Area

5.1 Metabolic Health: Body Weight, Cardiometabolic Risk Factors

Evidence level: Preliminary human clinical evidence; limited by small sample sizes, short duration, and absence of placebo in some trials.

Animal studies have shown the anti-obesity effects of Tamarindus indica L. (tamarind) fruit pulp. A randomized controlled clinical trial aimed to evaluate the weight-reducing effects of T. indica L. fruit as well as its blood pressure- and lipid-lowering effects. Obese and overweight patients were randomly and equally assigned to tamarind and control groups, both instructed on proper diet and maintaining physical activity for 6 weeks. Participants in the tamarind group were instructed to consume 10 grams of tamarind fruit pulp twice daily with meals for the same period.

Body mass index (BMI), waist circumference, systolic blood pressure (SBP) and diastolic blood pressure (DBP), fasting serum levels of glucose (FPG), total cholesterol, triglycerides (TG), LDL-C, and HDL-C were determined and recorded for all patients pre- and post-intervention. Despite no significant effect of tamarind fruit on fasting plasma glucose in this research, an animal study showed a dose-dependent hypoglycemic effect of tamarind seed extract in streptozotocin-induced diabetic rats compared to control diabetics. However, no significant changes in blood glucose levels were observed in normal rats, which was consistent with findings in the non-diabetic patients studied.

The main limitations of this study were the short duration of intervention, not using the extract of the pulps, no control of calorie intake by patients, and absence of a placebo.

5.2 Glycemic Control and Antidiabetic Activity

Evidence level: Mechanistic in vitro data and animal models are compelling; human clinical evidence is limited and preliminary.

In vitro studies show that aqueous extract of T. indica fruit pulp demonstrates glucose uptake potential, proving a postprandial hypoglycemic effect. Hence, it may be considered an antidiabetic agent for control of postprandial hyperglycemia. These findings are based on enzymatic inhibition assays (α-amylase and α-glucosidase inhibition) and cell-based glucose uptake models, not controlled human trials.

5.3 Fluoride Excretion and Protection Against Fluorosis

Evidence level: Moderate; supported by a small but well-designed human randomized controlled study and multiple corroborating animal studies.

The strongest human clinical evidence for a specific health benefit of tamarind relates to fluoride excretion. A randomized, diet-controlled study evaluated the effect of tamarind (Tamarindus indicus) ingestion on excretion of fluoride in school children. Twenty healthy boys were included and 18 completed the study. Each subject consumed 10 g tamarind daily with lunch for 18 days. Tamarind intake led to a significant increase (P<0.001) in the excretion of fluoride in 24-hour urine (4.8±0.22 mg/day) compared to excretion on control diet (3.5±0.22 mg/day). The conclusion was that tamarind intake is likely to help in delaying progression of fluorosis by enhancing urinary excretion of fluoride.

The researchers concluded that there was a significant increase in 24-hour urinary excretion of fluoride during the period of tamarind ingestion. Excretion of zinc and magnesium decreased significantly during tamarind intake. Multiple animal studies have also validated tamarind's effect on the excretion of fluoride, with each revealing that tamarind has beneficial effects in alleviating fluoride toxicity.

5.4 Dry Eye Syndrome (Ophthalmic Use of TSP)

Evidence level: Moderate; supported by a randomized clinical trial comparing TSP eye drops to a known active comparator (hyaluronic acid).

The activity of TSP and hyaluronic acid (HA) in the treatment of dry eye syndrome was compared in an open-label, randomized, single-centre clinical study. Thirty patients were randomized to receive three or more applications per day of either TSP 0.5%, TSP 1%, or HA 0.2% (Hyalistil™) over a period of 90 days. The trial was published in BMC Ophthalmology (2007) and indexed in PubMed. TSP possesses mucomimetic, mucoadhesive, and pseudoplastic properties. The 'mucin-like' molecular structure of TSP is similar to corneal and conjunctival mucin 1 (MUC1), a transmembrane glycoprotein thought to play an essential role in protecting and wetting the corneal surface, which may explain its increased retention on the eye surface.

It is important to note that this trial was open-label (not blinded or placebo-controlled), limiting the strength of its conclusions. Nonetheless, it established tolerability and demonstrated clinically meaningful performance comparable to a widely used ophthalmic agent.

5.5 Anti-inflammatory and Analgesic Activity

Evidence level: Preclinical (animal and in vitro) only; no robust human RCTs identified.

Over the years, Tamarindus indica has played fundamental roles in traditional medicine as an anti-inflammatory and analgesic drug. It is a commercialized biocompatible medicinal plant species with a wide range of therapeutic window and with a suggested LD50 greater than 5,000 mg/kg body weight when administered to Wistar rats. A review examined the anti-inflammatory and analgesic potential and mechanism of various extracts from T. indica pulp, leaves, seeds, stem bark, and roots.

The evidence base for this area remains confined to preclinical models. No large, randomized controlled trials in humans have been identified for pain or inflammatory conditions.

5.6 Hepatoprotective Activity

Evidence level: Preclinical (animal) only; no human clinical trials identified.

T. indica has shown hepatoprotection through modulation of oxidative stress markers and liver enzymes in preclinical models. Treatment of albino rats with CCl4 at 1.25 mL/kg decreased superoxide dismutase (55%), catalase (73%), and peroxidase (78%), while lipid peroxidation increased nearly 2.5-fold in liver. Pretreatment with methanol extract of T. indica seed coat (TSCE) at 50 mg/kg caused restoration of superoxide dismutase, catalase, and lipid peroxidation to values close to control. Histopathological studies of the liver supported the protective effects of TSCE by restoring hepatic architecture. These findings are from animal studies and should not be extrapolated to clinical applications without human trial data.

5.7 Antimicrobial Activity

Evidence level: In vitro laboratory evidence; no human clinical trials identified for this indication.

Controlled scientific research has shown tamarind has broad-spectrum antibacterial activities. Extracts have demonstrated inhibitory potential against all tested pathogens in laboratory settings. Methanolic and ethanolic extracts have been identified as particularly active in in vitro assays. Whether these translate to clinically meaningful antimicrobial effects in humans has not been established through RCTs.

5.8 Antioxidant Activity

Evidence level: Well-established in vitro; animal models corroborate; human clinical data limited.

The phytochemical compounds in T. indica exert free radical scavenging activity and improve antioxidant and detoxification enzyme activities, as well as exerting antimicrobial effects. When the diet was supplemented with tender tamarind leaves, significant improvements in carbohydrate and lipid profiles occurred as evidenced by decreased plasma glucose and lipid levels, lipid peroxidation, increased hepatic glycogen content, hexokinase activity, and cholesterol excretion, with simultaneous improvement in antioxidant profiles of both hepatic and renal tissues — findings from an animal (rat) model.

5.9 Lipid Profile and Cardiovascular Markers

Evidence level: Consistent animal evidence; limited and mixed human data.

In diet-induced obese rats, tamarind extract promisingly decreased triglyceride and plasma cholesterol levels, LDL cholesterol was reduced, HDL increased, and body weight was reduced. Levels of fatty acid synthase enzyme and plasma leptin action were reduced, and antioxidant defense efficiency increased. The study depicted anti-obesity results, as indicated by a noteworthy decrease in adipose tissue weights, along with a lowered degree of hepatic steatosis. These results are from a preclinical model. The human RCT described above (10 g pulp twice daily for 6 weeks in obese/overweight adults) examined lipid outcomes but had limitations including short duration and no placebo.

6. Body Systems and Health Areas Associated with Tamarind

The genus Tamarind has been shown to have anti-inflammatory, analgesic, anti-pyretic, antibacterial, hypolipidemic, anti-diabetic, hepatoprotective, anti-ulcerogenic, and antioxidant properties.

Gastrointestinal system: Traditional laxative use (backed by tartaric and malic acid content); anti-diarrheal applications of leaves; anti-ulcerogenic activity of seed extracts in animal models.
Metabolic and endocrine system: Antidiabetic and hypolipidemic potential, particularly through enzyme inhibition and insulin-related mechanisms demonstrated preclinically.
Cardiovascular system: Hypolipidemic effects on cholesterol, triglycerides, and LDL documented in animal models; preliminary human data from one RCT.
Skeletal and renal systems: Enhanced fluoride excretion relevant to endemic fluorosis, supported by a human study.
Ocular surface: Tamarind seed polysaccharide (TSP) used as a tear substitute for dry eye syndrome; clinical trial evidence exists.
Hepatic system: Hepatoprotective properties documented in animal models through antioxidant enzyme modulation.
Immune and inflammatory system: Anti-inflammatory and analgesic activities established in preclinical models, attributed to flavonoids, tannins, and alkaloids.
Antimicrobial: Broad-spectrum activity against bacteria in vitro.

7. Dosage Forms and Reported Dosages

The following dosages are reported in identified scientific studies only, and are presented as documented in those sources:

Fluoride excretion (human study, Eur J Clin Nutr, 2002): Each subject consumed 10 g tamarind daily with lunch for 18 days.
Cardiometabolic RCT (human study, obese/overweight adults, 2020): Participants in the tamarind group were instructed to consume 10 grams of tamarind fruit pulp twice daily with meals for 6 weeks.
Fluoride mobilization (second human study, fluorosis-endemic area): A randomized, diet-control study was conducted in 30 subjects from a fluoride-endemic area. Subjects were assigned to one of two groups, with 15 in each group. One group was supplemented with tamarind (experimental group) for 3 weeks and the other (control) group was given only defluoridated water for the same period.
Tamarind leaf powder (rat study, fluorosis model): Albino rats were exposed to fluoride (100 ppm sodium fluoride) through drinking water and fed diet supplemented with tamarind leaf powder (2.5, 5, and 10 g %) for 4 weeks.
Dry eye syndrome (ophthalmic, clinical trial): Thirty patients were randomized to receive three or more applications per day of either TSP 0.5%, TSP 1%, or HA 0.2% (Hyalistil™) over a period of 90 days.
Seed coat antioxidant (animal, CCl4 model): Pretreatment of rats with methanol extract of T. indica seed coat (TSCE) at 50 mg/kg (as tannic acid equivalents) followed by CCl4 treatment.

No standardized or universally accepted therapeutic dose has been established for any indication in humans, and no regulatory body (NIH ODS, EMA, EFSA) has issued a formal dosage recommendation for tamarind as a dietary supplement at the time of this writing.

8. Safety Considerations and Drug Interactions

General Safety Profile

Tamarindus indica is a commercialized biocompatible medicinal plant species with a wide range of therapeutic window and with a suggested LD50 greater than 5,000 mg/kg body weight when administered to Wistar rats. At food quantities commonly consumed in diet, it is generally regarded as safe. Numerous biological activities have been documented, including antioxidant, anti-inflammatory, antimicrobial, antidiabetic, and hepatoprotective effects. However, research gaps exist, particularly in clinical trials and in understanding the molecular mechanisms of action for various health benefits.

Drug Interaction: Aspirin (Acetylsalicylic Acid)

The influence of Tamarindus indica L. fruit extract incorporated in a traditional meal on the bioavailability of aspirin tablets (600 mg dose) was studied in 6 healthy volunteers. There was a statistically significant increase in the plasma levels of aspirin and salicylic acid when the meal containing Tamarindus indica fruit extract was administered with the aspirin tablets compared to taking aspirin in a fasting state or with a meal without the fruit extract. The Cmax and AUC(0–6h) for aspirin increased from 10.04±0.1 mg/mL to 28.62±0.21 mg/mL (P<0.05) and from 14.03±0.11 mg/mL·h to 86.51±0.21 mg/mL·h respectively. This documented pharmacokinetic interaction means co-consumption of tamarind with aspirin significantly increases aspirin absorption and exposure, with potential implications for toxicity risk.

Drug Interaction: Ibuprofen

The influence of Tamarindus indica L. fruit extract incorporated in a traditional meal on the bioavailability of ibuprofen tablets (400 mg dose) when given concurrently was studied in 6 healthy human volunteers. There was a statistically significant increase in the plasma levels of ibuprofen and its metabolites hydroxy-ibuprofen and carboxy-ibuprofen when the meal containing Tamarindus indica fruit extract was administered with the ibuprofen tablets compared to fasting state or the meal without the fruit extract. The study indicated that Tamarindus indica L. fruit extract significantly increased the bioavailability of ibuprofen.

Interaction with Anticoagulants / Blood Thinners

The Journal of Clinical Pharmacy and Therapeutics noted a potential interaction of tamarind with nonsteroidal anti-inflammatory drugs, enhancing the risk of bleeding. Given the documented enhancement of NSAID bioavailability and potential additive antiplatelet activity, co-administration with warfarin and other anticoagulants warrants attention, though dedicated human studies on the warfarin–tamarind interaction have not been identified.

Potential Effect on Antidiabetic Medications

Given the demonstrated antidiabetic and antihyperglycemic activities in preclinical models and the in vitro inhibition of carbohydrate-metabolizing enzymes, concurrent use of tamarind with antidiabetic drugs may theoretically augment glucose-lowering effects. A published case study reported on a female diabetic patient presenting with hyperglycemia due to intake of crude tamarind herbal pills, underscoring that the pharmacological effects of tamarind-based preparations in diabetic individuals can be unpredictable and that formulation quality may play a role.

Mineral Excretion

Researchers found that excretion of zinc and magnesium decreased significantly during tamarind intake. The clinical significance of this mineral interaction in the context of typical dietary intake levels is not established, but it merits consideration in populations with pre-existing mineral deficiencies or in the context of prolonged supplementation.

Tartaric Acid Content

The pulp has a high organic acid content, especially tartaric acid (8–12%), which is responsible for giving the fruit its characteristic taste. At high intakes, the substantial organic acid load could theoretically exacerbate gastric discomfort in susceptible individuals, though controlled data on this in humans are limited.

9. Summary of Evidence Strength

Fluoride excretion: Moderate. Supported by at least one small, well-designed human RCT and multiple animal studies.
Dry eye (ophthalmic TSP drops): Moderate. Supported by a randomized (though open-label) human clinical trial against an active comparator.
Drug bioavailability interactions (aspirin, ibuprofen): Moderate. Demonstrated in human pharmacokinetic studies, though with small sample sizes (n=6 each).
Cardiometabolic effects (lipids, body weight, blood pressure): Preliminary. Supported by one short-term human RCT with important methodological limitations, and by consistent animal studies.
Antidiabetic activity: Preliminary. Primarily in vitro and animal evidence; human data are limited and inconclusive in non-diabetic populations.
Anti-inflammatory, analgesic, hepatoprotective: Preclinical only. Robustly demonstrated in animal models and in vitro, but no human RCTs identified.
Antimicrobial: In vitro only. Broad-spectrum activity in laboratory assays; no human trial evidence.

References

Health Conditions

Health conditions that Tamarind may help support.

No conditions available.

Body Systems

Body systems that Tamarind may help support.

No body systems available.