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Gotu Kola
A 4,000-year-old Ayurvedic herb — "brahmi-buti" / "mandukaparni" — whose pentacyclic triterpenoid saponins (asiaticoside, madecassoside, asiatic acid, madecassic acid; collectively "centellosides")…
Aliases (12)
Overview
What is Gotu Kola?
A 4,000-year-old Ayurvedic herb — "brahmi-buti" / "mandukaparni" — whose pentacyclic triterpenoid saponins (asiaticoside, madecassoside, asiatic acid, madecassic acid; collectively "centellosides") drive two distinct effects: peripheral collagen-and-microcirculation support (wound healing, scar reduction, chronic venous insufficiency) and modest central anxiolysis + cognitive-mood modulation. The peripheral story is the better-evidenced one — TECA (titrated extract of Centella asiatica) is a registered pharmaceutical in France, Italy, and several Asian markets for venous insufficiency. The central story is real but mild: a 2010 GAD open-label trial at 500 mg b.i.d. for 60 days showed anxiety reduction; a 2008 healthy-elderly RCT showed working-memory and reaction-time improvements; a 2017 meta-analysis found no significant cross-domain cognitive benefit. For a 20yo MMA athlete already running ashwagandha + L-theanine + selank, gotu kola is redundant at the anxiolytic position and unconvincing at the cognitive position — OPTIONAL-ADD at best, with cycling discipline (≤6 weeks on / ≥2 weeks off) mandatory because the hepatotoxicity case literature is real even if rare. Topical centelloside creams are the most defensible application for an athlete picking up bruises, abrasions, and BJJ mat-burns.
Pharmacokinetics
Research Indications
Asiaticoside
the most abundant glycoside, hydrolyzes to asiatic acid in vivo.
Madecassoside
second major glycoside, hydrolyzes to madecassic acid.
Asiatic acid
aglycone, lipophilic, more BBB-penetrant than the glycosides.
Madecassic acid
aglycone with additional hydroxyl group.
Glycosaminoglycan synthesis
supports ground-substance hydration.
Microcirculatory endothelial repair
centellosides reduce capillary fragility and improve venous tone via direct effects on endothelial cells and pericytes. Likely contribute…
Peptide Interactions
classical Ayurvedic "brahmi" pairing. Bacopa for memory consolidation (replicated meta-analysis evidence), gotu kola for anxiolysis + microcirculation. Commu…
both adaptogenic, both modestly anxiolytic. Ashwagandha is the stronger anxiolytic; gotu kola adds microcirculation + skin support. n=98 co-mention.
fast-onset acute anxiolysis + cognitive support; gotu kola adds chronic GABAergic baseline. n=96.
additive phlebotonic effect for chronic venous insufficiency; complementary mechanisms (flavonoid venous tone + centelloside microcirculatory repair).
collagen-synthesis cofactors; pair with topical or oral centellosides for wound/scar protocols.
venous-tone + antioxidant synergy.
additive liver-injury risk.
same.
theoretical additive GABAergic sedation; mild in practice but real.
theoretical mild antiplatelet contribution from triterpenoid saponins; clinically minor but flag.
both metabolized through CYP3A4; theoretical interaction, clinically minor at typical doses.
What to Expect
- Week 1Tolerability and dose-response.
- Week 2-4Early effect window.
- Week 4-8Peak benefit assessment.
- Week 8+Cycle decision point.
Side Effects & Safety 7
Side Effects
- 1Generally well-tolerated; most users report no side effects.
- 2Mild GI upset (~10%) — nausea, bloating, loose stool. Take with food.
- 3Mild drowsiness (~10%), especially at higher doses or evening dosing.
- 4Headache (~5%)
- 5Skin rash (contact dermatitis with topical; rare with oral)
- 6Photosensitivity (rare)
- 7Mild dizziness
When to Stop
- Hepatotoxicity — the central safety signal. Multiple European case reports in the late 1990s–early 2000s clustered around Madecassol (prescription TECA) use, especially in women >50 on continuous high-dose oral preparations. Jorge & Jorge 2005 documented a Brazilian case series. The 2024 review literature (PMID cluster 38640296, 37759286, 35029831, 33868982) continues to document occasional hepatotoxicity cases. Pattern: cholestatic or mixed hepatocellular-cholestatic hepatitis, typically 4–8 weeks into continuous high-dose use, reversible on discontinuation but with case reports of jaundice requiring hospital admission. Mechanism: hepatic accumulation of triterpenoid metabolites + idiosyncratic immune-mediated injury.
- Uterotonic effect (theoretical) — animal data suggests possible uterine stimulation; oral use contraindicated in pregnancy.
- Allergic reaction — Apiaceae family allergy (rare cross-reactivity with carrots, parsley, fennel).
- Weeks 1–4: GI tolerance + skin watch — if any rash or persistent nausea, drop dose or stop.
- Weeks 4–6: liver-symptom watch — fatigue out of proportion to training, RUQ discomfort, dark urine, yellowing of sclera → stop and order LFTs same-day.
- Continuous use >6 weeks: schedule ALT/AST check — even asymptomatic. Most documented hepatotoxicity cases were caught only when symptoms became overt.
- Pre-surgery: stop 2 weeks before. Potential additive effect with anesthetics (GABAergic) and theoretical bleeding-time concerns are unproven but cautioned in surgical literature.
References
Wattanathorn et al. 2008 — Positive modulation of cognition and mood in healthy elderly
(PMID 18191355, J Ethnopharmacol) — small RCT, 250/500/750 mg × 2 months, working memory and reaction time improvements.
View StudyBradwejn et al. 2000 — Gotu Kola acoustic startle response
(PMID 11106141, J Clin Psychopharmacol) — single 12 g oral dose, attenuated peak ASR amplitude at 30/60 min vs placebo. Benchmark anxiolytic-pharmacology paradigm.
View StudyJana et al. 2010 — Centella asiatica in GAD
(PMID 20677602, Nepal Med Coll J) — open-label 500 mg b.i.d. × 60 days, significant anxiety/stress/depression reductions.
View StudyPuttarak et al. 2017 — Centella asiatica cognitive function meta-analysis
(PMID 28878245, Sci Rep / Nature) — pooled 5 RCTs, no significant cross-domain cognitive benefit; mood subscale improved.
View StudyPointel et al. 1987 — TECA in venous insufficiency
(PMID 3544968, Angiology) — original multicenter RCT establishing TECA pharmaceutical indication.
View StudyIncandela / Cesarone et al. 2001 — TTFCA in chronic venous insufficiency
(PMID 11666128, Angiology) — replication cluster from Belcaro group.
View StudyBonté et al. 1994 — Asiaticoside collagen mechanism in human fibroblasts
original demonstration of TGF-β-mediated collagen induction.
View StudyCentella asiatica hepatotoxicity case literature 2024 reviews
(PMID 38640296 et seq.) — recent reviews of cumulative case reports; cholestatic/hepatocellular pattern, continuous high-dose pattern, reversibility on discontinuation.
View StudyOHSU Centella asiatica program — Soumyanath et al.
ongoing Phase II MCI trials, preclinical AD model work.
View StudyExamine.com — Gotu Kola (Centella asiatica) research summary
current evidence synthesis.
View StudyExamine.com — Centella asiatica venous insufficiency analysis
venous-indication-specific evidence review.
View StudyMemorial Sloan Kettering — Gotu Kola integrative medicine reference
physician-facing safety + interaction reference.
View StudyDrugs.com — Gotu Kola monograph
interaction database and adverse event surveillance.
View StudyPubChem — Asiatic acid + asiaticoside chemical profiles
chemical structure, properties, PK data.
View StudyMadecassol prescribing information (Bayer France)
TECA pharmaceutical-grade clinical reference; hepatotoxicity warnings.
View StudyLatest research
- meta-analysisEffects of Centella asiatica on cognitive function and mood: systematic review and meta-analysisPooled across cognitive domains, Centella asiatica did not significantly outperform placebo on cognition; mood (alertness, anger) showed a positive signal. Puttarak et al., Sci Rep 2017 (PMID 28878245).
- open-label-trialClinical study on management of generalized anxiety disorder with Centella asiatican=33 GAD patients, 500 mg twice daily × 60 days. Significant reductions in anxiety (HAM-A), stress, and depression scores. No control arm. Jana et al., Nepal Med Coll J 2010 (PMID 20677602).
- rctPositive modulation of cognition and mood in healthy elderly volunteers — Centella asiaticaHealthy elderly, 250–750 mg/day Centella asiatica × 2 months. Improvements in working memory and reaction time on specific subtests; mood improved. Wattanathorn et al., J Ethnopharmacol 2008 (PMID 18191355).
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