Cólico (niños)

5-HTP is the direct precursor to serotonin (5-HT), a neurotransmitter with demonstrated roles in hippocampal neurogenesis and synaptic plasticity. Serotonin receptor activation (5-HT2A, 5-HT1A) modulates LTP and dendritic spine remodeling. Preclinical evidence links serotonergic signaling to BDNF expression and neuroplastic adaptation.

Acetyl-L-Carnitine (ALCAR) crosses the blood-brain barrier and has been shown to upregulate NGF expression and promote synaptic plasticity and peripheral nerve regeneration. Clinical studies in adults over 40 demonstrate improved mitochondrial function and alleviation of cognitive fatigue. Its acetyl group also supports acetylcholine synthesis relevant to cholinergic plasticity.

Acetylcholine is the primary neurotransmitter mediating synaptic plasticity, long-term potentiation, and hippocampal-dependent learning. Its cholinergic signaling is essential for the induction and maintenance of LTP, a cellular basis of neuroplasticity. Multiple neuroplasticity-targeting supplements work specifically by enhancing acetylcholine availability or receptor sensitivity.

ALA is the essential plant-derived omega-3 precursor that the body can partially convert to EPA and DHA, contributing to neuroplasticity via downstream omega-3 signaling. It supports neuronal membrane integrity and BDNF signaling pathways. While conversion to DHA is limited, ALA itself has been shown to exert direct anti-inflammatory effects in the brain relevant to neuroplasticity.

Ashwagandha (Withania somnifera) withanolides support neuroplasticity by increasing BDNF and NGF, reducing cortisol-mediated hippocampal damage, and modulating GABAergic and serotonergic systems. Clinical trials (500–600 mg/day, 8–12 weeks) show improvements in memory, executive function, and processing speed. It is a longstanding Ayurvedic adaptogen (rasayana) used to rejuvenate the nervous system.

Asiaticoside is the primary triterpene glycoside of Centella asiatica responsible for neuroplasticity-relevant effects including axonal elongation, dendritic growth stimulation, BDNF upregulation, and neuroprotection against amyloid-β toxicity. Preclinical studies confirm its role in promoting neurite outgrowth and synaptic density in hippocampal neurons.

Bacopa monnieri's active bacosides promote dendritic branching, upregulate BDNF and Arc plasticity markers, and inhibit acetylcholinesterase, all of which support synaptic plasticity. Multiple RCTs demonstrate improved memory, attention, and learning in both healthy adults and cognitively impaired populations. It is traditionally used in Ayurveda as a brain tonic (medhya rasayana).

Bacopin is a standardized, patented extract of Bacopa monnieri standardized to bacosides, the active compounds responsible for dendritic branching, BDNF upregulation, and synaptic plasticity. It shares the same mechanistic and clinical evidence base as Bacopa extract. Clinical trials using standardized Bacopa extract have demonstrated memory and cognitive improvements.

Bacosides are the active triterpenoid saponins of Bacopa monnieri directly responsible for neuroplasticity via dendritic branching stimulation, BDNF and Arc upregulation, NMDA receptor regulation, and acetylcholinesterase inhibition. A PMC study (PMC4564643) found bacosides upregulate BDNF and Arc — key neuronal plasticity markers — in mouse brain.

Brain imaging studies in humans show blueberry supplementation increases cerebral blood flow and activates brain regions associated with cognitive function and plasticity. Anthocyanins enhance neuronal signaling pathways including BDNF and CREB associated with synaptic plasticity.

EGCG promotes neuroplasticity by stimulating neurogenesis in the hippocampus, enhancing synaptic plasticity, and supporting BDNF signaling. These effects have been documented in preclinical models and are mechanistically linked to observed improvements in cognitive function in human trials.

Centella asiatica (Gotu Kola) and its triterpene bioactives (asiaticoside, asiatic acid) stimulate dendritic/axonal growth, upregulate BDNF, and support hippocampal neurogenesis. Human trials show working memory improvements in older adults. It is a traditional Ayurvedic medhya rasayana (brain tonic) used specifically for cognitive enhancement.

Centella triterpenes (asiaticoside, madecassoside, asiatic acid, madecassic acid) collectively promote hippocampal neuroplasticity including axon elongation, dendritic branching, BDNF upregulation, and neurogenesis. They are the bioactive fraction of Gotu Kola responsible for its documented cognitive and neuroplasticity effects in both preclinical and clinical studies.

Choline is the direct precursor to acetylcholine, the primary neurotransmitter for synaptic plasticity, LTP, and memory. Adequate choline supports membrane phosphatidylcholine synthesis essential for neuronal membrane remodeling. Choline deficiency impairs hippocampal neuroplasticity; supplementation supports cholinergic tone underlying learning and memory formation.

Citicoline (CDP-choline) provides choline for acetylcholine synthesis and cytidine that converts to uridine, directly supporting synaptic membrane phospholipid synthesis and neuronal plasticity. Clinical studies show improvements in memory, attention, and frontal lobe bioenergetics. A 2021 Journal of Nutrition RCT demonstrated memory benefits in healthy older adults.

Cocoa flavanols stimulate CREB pathway activation in neurons, leading to BDNF production and long-term potentiation. Chronic intake in young adults increased neurotrophins alongside improved cognitive performance in RCTs. Theobromine demonstrates anti-amyloidogenic properties in cellular models.

Coffee fruit extract robustly elevates BDNF, the primary driver of neuroplasticity via synaptic strengthening, neurogenesis, and neuron survival. A 2013 RCT (British Journal of Nutrition) found 100 mg whole coffee fruit concentrate increased plasma BDNF by 143% at 60 minutes. BDNF is well established to regulate synaptic plasticity and support learning-related neural adaptations.

Cordyceps (primarily Cordyceps sinensis/militaris) is cited in the neuroplasticity literature as a botanical whose cordycepin and polysaccharides support BDNF signaling and neurotrophic activity. A 2019 narrative review on the Brain Health Triad explicitly lists cordycepin among adjunctive nootropic compounds reinforcing neuroplasticity alongside Lion's Mane and Bacopa.

Creatine monohydrate supports neuroplasticity through multiple pathways, including upregulation of mTORC1 signaling and synaptic plasticity markers, enhancement of BDNF release via exercise-mediated myokine pathways, and mitochondrial energy support in hippocampal neurons. Most direct evidence is preclinical, but human data on cognitive and structural neural changes are emerging.

Curcumin upregulates BDNF mRNA and protein expression in the hippocampus, promotes neurogenesis, increases dendritic spine density, and upregulates PSD-95 synaptic plasticity proteins. A 2025 Scientific Reports study demonstrated curcumin reversed cognitive deficits via BDNF/PSD-95 upregulation and dendritic growth in transgenic mice. Bioavailability is a key challenge requiring specialized formulations.

DHA is the dominant omega-3 fatty acid in neuronal membranes and is essential for neurite outgrowth, synaptogenesis, and BDNF-mediated neuronal survival. A 2023 meta-analysis of controlled trials found omega-3 supplementation significantly raised serum BDNF levels (pooled WMD +1.01 μmol/L, p=0.003). DHA deficiency impairs neuroplasticity gene expression in animals.

DHA directly supports neuroplasticity by promoting neurogenesis, synaptogenesis, and synaptic connectivity in the brain. It improves myelination, modulates dendritic branching, and enhances hippocampal neurotrophic signaling. Lipidomics studies confirm DHA from various sources improves prefrontal cortex synaptic plasticity through membrane lipid composition changes.

EGCG, the primary catechin of green tea, modulates GABAergic and dopaminergic neurotransmission, upregulates BDNF, and exerts antioxidant neuroprotection supporting synaptic plasticity. The 2017 Neural Plasticity review (Sangiovanni et al.) identified EGCG as a BDNF modulator from Camellia sinensis. Multiple preclinical studies confirm hippocampal neurogenesis promotion.

EPA promotes neuroplasticity through anti-inflammatory mechanisms that support BDNF expression, hippocampal neurogenesis, and synaptic remodeling. Preclinical studies demonstrate EPA reverses stress-induced hippocampal structural damage, and clinical trials show associations between EPA status and BDNF levels.

Eleutherococcus senticosus (Siberian ginseng/Eleuthero) is included in the 2017 Neural Plasticity peer-reviewed systematic review (Sangiovanni et al.) as a botanical BDNF modulator. Its eleutherosides have adaptogenic properties that support stress resilience, and preclinical evidence demonstrates BDNF upregulation and neuroprotective effects relevant to neuroplasticity.

Fisetin promotes ERK-dependent long-term potentiation and neuronal differentiation, supports BDNF levels, and activates TrkB signaling—all key drivers of neuroplasticity. These effects are documented in hippocampal tissue and rodent behavioral models.

GE polysaccharides promote synaptic plasticity via BDNF upregulation. Gastrodin and HBA enhance neurotrophic factor levels. GE modulates neuronal differentiation genes and the BDNF-TrkB signaling pathway relevant to synaptic remodeling.

Ginkgo biloba's standardized extract (EGb761) modulates BDNF, stimulates Akt/mTOR neuroplasticity pathways, promotes neurite outgrowth, and improves cerebral microvascular function. A peer-reviewed 2017 Neural Plasticity review identified in vitro, in vivo, and clinical evidence for BDNF modulation. It has been used in Traditional Chinese Medicine for centuries.

Panax ginseng's ginsenosides (Rg1, Rb1) are the primary agents responsible for BDNF modulation, as established by the 2017 Neural Plasticity peer-reviewed review. Ginsenosides also modulate dopaminergic/noradrenergic signaling and have demonstrated cognitive enhancement and neuroprotection in preclinical and clinical studies.

Ginsenosides Rg1 and Rb1 are the active compounds in Panax ginseng directly responsible for BDNF upregulation in hippocampal neurons per a 2017 Neural Plasticity systematic review. They also activate PI3K/Akt and MAPK/ERK neuroplasticity pathways and modulate dopaminergic/noradrenergic signaling. Preclinical evidence is extensive.

Centella asiatica (Gotu Kola) contains asiaticoside, madecassoside, and asiatic acid, which promote BDNF expression, stimulate dendritic growth and axonal elongation, and support hippocampal neurogenesis. Traditional Ayurvedic use as a medhya rasayana (brain tonic) aligns with scientific evidence of neuroplasticity support.

GPC promotes hippocampal neurogenesis and synaptogenesis in preclinical models, and supports membrane phospholipid synthesis essential for synaptic membrane integrity. Human evidence is indirect, derived from cognitive improvement trials in neurodegeneration, but preclinical neurogenesis data are robust.

Green tea (Camellia sinensis) contains EGCG and L-theanine, both identified in the 2017 Neural Plasticity systematic review as BDNF modulators. EGCG promotes hippocampal neurogenesis and synaptic plasticity, while L-theanine raises NGF in the hippocampus. Multiple meta-analyses support cognitive benefits relevant to neuroplasticity from green tea consumption.

Hericenones are aromatic compounds from the fruiting body of Hericium erinaceus (Lion's Mane) that cross the blood-brain barrier and directly stimulate NGF synthesis in astrocytes and neuroblastoma cells. Since the 1990s, multiple in vitro studies (PubMed) have confirmed their NGF-inducing capacity, making them primary agents for neuroplasticity support.

Huperzine A, an alkaloid from Huperzia serrata, is a potent, selective, reversible acetylcholinesterase inhibitor that raises acetylcholine levels and modulates NMDA receptor signaling to support synaptic plasticity. It also activates BDNF/TrkB/PI3K/Akt signaling pathways (established in PMC8587556). It has been used in Chinese traditional medicine and is approved as a prescription cognitive drug in China.

PDE4 inhibition by kanna's mesembrenone raises cAMP, which activates the CREB transcription factor—a pathway directly involved in long-term synaptic potentiation, dendritic remodeling, and neuroplasticity. This mechanism is established in preclinical pharmacology and was specifically invoked in the Chiu et al. (2014) RCT to explain its cognitive benefits.

L-Theanine, found naturally in green tea, has been shown to support NGF expression in the hippocampus, promote alpha-wave brain activity facilitating synaptic plasticity, and modulate NMDA receptor signaling relevant to long-term potentiation. It is included in validated nootropic combinations (e.g., a 2025 PMC rat study) shown to modulate BDNF and neuroplasticity genes under stress.

Lion's Mane (Hericium erinaceus) contains hericenones and erinacines that stimulate NGF and BDNF synthesis, two neurotrophins central to neuroplasticity. A 2009 double-blind RCT (n=30, adults with mild cognitive impairment) showed significant cognitive improvement after 16 weeks of supplementation. Preclinical studies confirm promotion of neurite outgrowth and hippocampal neurogenesis.

Lithium robustly promotes neuroplasticity through GSK-3β inhibition, leading to BDNF upregulation, hippocampal neurogenesis, and increased gray matter volume in clinical studies. These mechanisms are shared by lithium orotate, which delivers the same lithium ion. The neuroplastic effects underpin lithium's mood-stabilizing and neuroprotective properties.

MeCbl promotes neuroplasticity through mechanisms including axonal regeneration, neurite outgrowth, promotion of BDNF secretion, and support of the methylation cycle required for synaptic plasticity and gene expression regulation. Both experimental and clinical data support MeCbl's role in neural repair and adaptive remodeling.

Omega-3 fatty acids (DHA and EPA) support neuronal membrane integrity, promote synaptogenesis, and significantly upregulate BDNF levels. A 2023 PubMed meta-analysis of controlled trials found omega-3 supplementation significantly raised serum BDNF (WMD +1.01 μmol/L, p=0.003). DHA is the dominant structural fatty acid of synaptic membranes and is essential for neuroplasticity gene expression.

PC provides the choline substrate for ACh, which drives BDNF release and cholinergic neuron survival—key components of neuroplasticity. PC levels in the brain decline with aging, with consequences for neuronal structural integrity and adaptive capacity. Research links PC metabolism to the maintenance of basal forebrain cholinergic neurons.

Phosphatidylserine (PS) is a brain phospholipid essential for neuronal membrane integrity, receptor function, and neurotrophic signaling relevant to plasticity. Meta-analyses confirm modest memory benefits in older adults, and it supports cortisol attenuation to protect hippocampal plasticity. The FDA has issued a qualified health claim for PS and cognitive decline.

P. tenuifolia constituents, including onjisaponins, tenuifolisides, and DISS, consistently upregulate BDNF and NGF expression via ERK/CREB/TrkB signaling pathways, promoting synaptic plasticity, neural stem cell proliferation, and neuronal differentiation in preclinical models.

Polygala root robustly upregulates BDNF and NGF in the hippocampus, activates the TrkB receptor, and promotes neural stem cell proliferation and differentiation—all established mechanisms of neuroplasticity. These effects are documented across multiple peer-reviewed preclinical studies.

Pregnenolone sulfate stimulates hippocampal neurogenesis in animal models, and pregnenolone promotes myelination and BDNF-related trophic signaling. These effects directly underpin neuroplasticity. Human trials show cognitive improvements consistent with enhanced neural adaptability.

PQQ disodium salt stimulates NGF production—a key mediator of synaptic plasticity and neuronal remodeling—and has been shown to enhance mitochondrial biogenesis in neurons. A 2025 review in Molecular Biology Reports highlighted PQQ's role in enhancing neuroplasticity and protecting neurons from oxidative and inflammatory damage.

Resveratrol activates SIRT1 and modulates the ELAVL4-BDNF mRNA pathway, promoting synaptic plasticity and neuroplasticity. A 2025 PMC study identified the ELAVL4-Bdnf mRNA pathway as the mechanistic link between resveratrol's antidepressant effects and neuroplasticity. It also activates AMPK/SIRT1 signaling relevant to neurogenesis.

Rhodiola rosea's active compounds salidroside and rosavins modulate BDNF expression, support hippocampal neurogenesis, reduce cortisol, and enhance neurotransmitter systems (dopamine, serotonin, norepinephrine) relevant to neuroplasticity. A ScienceDirect study directly explored Rhodiola's effect on neuroplasticity in humans. Salidroside has been shown to increase BDNF mRNA and promote stem cell differentiation into dopaminergic neurons.

Crocus sativus (saffron) and its active compounds crocin and safranal are documented BDNF modulators in the 2017 Neural Plasticity systematic review. Crocin promotes hippocampal neurogenesis, protects synaptic plasticity, and has demonstrated antidepressant effects in RCTs — a domain where neuroplasticity restoration is the proposed mechanism.

Salidroside, the primary bioactive of Rhodiola rosea, increases BDNF mRNA levels in vitro and induces mesenchymal stem cells to differentiate into dopaminergic neurons. It modulates HPA axis activity, promotes hippocampal neurogenesis, and supports neurotrophic factor signaling. A ScienceDirect study confirmed its role in neuroplasticity directly.

Sulforaphane promotes neuroplasticity by upregulating BDNF and CREB/ERK signaling, supporting neurogenesis, and restoring parvalbumin-positive GABAergic interneurons critical for cortical circuit plasticity. These effects are documented in preclinical models and are mechanistically consistent with human cognitive trial outcomes.

Threonic acid directly regulates synapse density and neuroplasticity by elevating intraneuronal magnesium, which in turn upregulates NR2B-NMDA receptors and enhances long-term potentiation. This mechanism was characterized in a dedicated cell and animal study (Sun et al., Neuropharmacology 2016). Human RCTs confirm functional cognitive improvements consistent with increased neuroplasticity.

Preclinical studies show pterostilbene promotes hippocampal neurogenesis, upregulates synaptic plasticity markers (synaptophysin, PSD-95), elevates BDNF, and modulates receptor kinase pathways central to learning. These effects have been demonstrated in aged rats and multiple cognitive impairment models.

Vitamin B12 is essential for myelin synthesis, neurotrophic factor production, and SAMe-mediated methylation — all processes underpinning neuroplasticity. B12 deficiency leads to demyelination and impaired neural repair, while B12 has been shown in animal models to promote remyelination and nerve regeneration after injury.

Withanolides (Withaferin A, Withanolide D) from Ashwagandha upregulate BDNF and NGF, normalize HPA axis cortisol suppression of hippocampal plasticity, and promote axonal/dendritic growth in hippocampal neurons. They are the specific bioactive compounds through which Ashwagandha's well-documented neuroplasticity effects are mediated.