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Gotu Kola

Collagen synthesis, skin firmness, photoaging and wound healing.

Evidence · Grade CSafety · Generally safe
Systematic review availableHuman trial evidenceTraditional useInteraction risk

Centella asiatica — a centuries-old Ayurvedic and TCM herb studied for collagen synthesis, microcirculation and skin firmness.

Gotu kola (Centella asiatica) is a small creeping herb long used in Ayurveda, Traditional Chinese Medicine and Indonesian Jamu. Its triterpene fraction (TECA / Madecassol) is a prescription wound-healing standard in parts of Europe and Asia. Clinical trials report improvements in dermal collagen, skin elasticity, photo-aged skin, stretch marks and venous-related skin changes.

Quick answer

What it is: Gotu kola (Centella asiatica) is a small creeping herb long used in Ayurveda, Traditional Chinese Medicine and Indonesian Jamu.

May support:Skin Care, Beauty & Anti-Aging

Evidence:Evidence · Grade C

Safety:Safety · Generally safe

Evidence Summary

Evidence · Grade C

Multiple human RCTs on topical madecassoside for photoaging and oral TTFCA for venous/skin microcirculation, plus consistent mechanistic data on collagen synthesis.

Last reviewed · Jun 2026

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Why It Works

Triterpenoids (asiaticoside, madecassoside, asiatic & madecassic acids) stimulate Type I and Type III collagen, modulate TGF-β signaling and improve dermal microcirculation.

How it works in more detail

In vitro and human-biopsy studies show madecassoside and asiaticoside upregulate fibroblast proliferation and Type I/III collagen synthesis while inhibiting UV-induced matrix metalloproteinases. Topical 0.1% madecassoside + 5% vitamin C trials (Haftek 2008) demonstrated measurable dermal-density gains after 6 months. Oral TTFCA improves venular tone and reduces capillary leakage.

How to use

Always consult a qualified clinician.

Editorial guidance

Suggested dosage
Oral: 60–120 mg/day standardized triterpene extract (TECA/TTFCA), or 1–2 g/day dried herb. Topical: 0.1% madecassoside cream twice daily. Cycle 8–12 weeks on, then reassess.
Research dosage range
60–180 mg/day standardized extract; 1–4 g/day dried herb
Typical onset
4–8 weeks for visible skin firmness; up to 6 months for photoaging markers.
Typical forms
Standardized extract (TECA/TTFCA) capsules, Tincture, Dried leaf tea, Topical cream/gel, Fresh leaf
Quality markers
Look for extracts standardized to ≥40% total triterpenes (asiaticoside + madecassoside + asiatic & madecassic acids). Choose wild-crafted or organic leaf — gotu kola is a heavy-metal accumulator.
Medication interactions
  • Sedatives (may potentiate)
  • Hepatotoxic medications
  • Diabetes medications (may lower blood sugar)
  • Cholesterol-lowering drugs
Pregnancy / lactation
Avoid during pregnancy and lactation — insufficient safety data and traditional use as an emmenagogue.

Community tips

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Suggested dosage

Oral: 60–120 mg/day standardized triterpene extract (TECA/TTFCA), or 1–2 g/day dried herb. Topical: 0.1% madecassoside cream twice daily. Cycle 8–12 weeks on, then reassess.

General guidance — discuss specifics with a clinician.

Active medicinal compounds

Pentacyclic triterpenoid saponins: asiaticoside, madecassoside, asiatic acid, madecassic acid (standardized as TECA/TTFCA). Plus flavonoids (quercetin, kaempferol) and phytosterols.

Nutritional contents

Modest source of B-vitamins, vitamin C and beta-carotene when eaten fresh; medicinal effect comes from the triterpene fraction, not the nutrients.

Traditional use

Used in Ayurveda ("Brahmi"/"Mandukaparni") as a rasayana for skin, longevity and mental clarity. In TCM ("Ji Xue Cao") for cooling and skin sores. Eaten fresh in salads (pegaga) across Southeast Asia.

Safety

Safety warnings

Generally well tolerated up to 12 weeks. Rare hepatotoxicity reports with prolonged high-dose oral use — take breaks every 6 weeks and avoid combining with other hepatotoxic herbs.

Medication interactions

  • Sedatives (may potentiate)
  • Hepatotoxic medications
  • Diabetes medications (may lower blood sugar)
  • Cholesterol-lowering drugs

Reported side effects

  • Mild GI upset
  • Headache
  • Drowsiness
  • Contact dermatitis (topical, rare)
  • Elevated liver enzymes with chronic high-dose use

Pregnancy & lactation

Avoid during pregnancy and lactation — insufficient safety data and traditional use as an emmenagogue.

General guidance — discuss specifics with a clinician.

Evidence ecosystem

Scientific literature, clinical guidance, government sources, ongoing research, traditional use, and lived experience — grouped by source type and quality.

Overall grade (C)

Multiple human RCTs on topical madecassoside for photoaging and oral TTFCA for venous/skin microcirculation, plus consistent mechanistic data on collagen synthesis.

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Systematic Reviews(1)

Structured reviews of the full body of evidence (incl. Cochrane).

Very High Quality
  • Centella asiatica in dermatology: an overview

    Bylka W et al. · Phytotherapy Research · 2014

    Reviews evidence that Centella asiatica triterpenes stimulate collagen synthesis and accelerate wound healing across multiple clinical settings.

    Systematic ReviewPubMedVery High Quality

Randomized Human Trials(1)

Controlled human studies with random assignment.

High Quality

Clinical Trial Registries(1)

Registered ongoing or completed trials (ClinicalTrials.gov).

Moderate Quality
  • Effects of Brahmi-Gotu Kola Oil Padabhyanga (Foot Massage) on Sleep and Mood Disturbances in Perimenopausal Women: a Pragmatic, Single-blind, Pilot Randomized Controlled Comparative Trial

    n=30 · NCT07274371 · ACTIVE_NOT_RECRUITING · ACTIVE_NOT_RECRUITING

    This study is being done to find out whether a nightly 5-minute foot massage (Padabhyanga) using Brahmi-Gotukola oil can help women ages 40 to 55 sleep better and feel calmer during perimenopause. Perimenopause is the time when periods start to change and many women begin to experience sleep problems and mood changes. The study will also compare Brahmi-Gotukola oil to organic sesame oil, which will be used as the control oil. Participants will do a simple guided 10-minute foot massage at home every night for 2 weeks using either Brahmi-Gotukola oil or organic sesame oil. They will fill out a short sleep log each morning to track their sleep. Before starting the study and again at the end of the 2-week period, they will complete questionnaires about their sleep and mood. Additional follow-up questionnaires will be completed in the 3rd and 4th weeks to see if any improvements continue even after the massage period is over. This study aims to: See whether Brahmi-Gotukola oil foot massage improves sleep in women experiencing perimenopausal sleep problems. Find out whether Brahmi-Gotukola oil foot massage helps with mood and emotional well-being. Compare Brahmi-Gotukola oil foot massage with sesame oil foot massage to determine whether Brahmi oil provides more benefits for sleep and mood.

    Clinical TrialClinicalTrials.govModerate Quality

Limitations: Trials are mostly small (n<100), short (8–24 weeks) and often combine gotu kola with vitamin C or other actives, making isolated effect size hard to quantify.

This page is educational. Statements use phrases like "may support" and "has been studied for"because no remedy here is approved to cure, treat, or reverse any condition. Discussion happens on the ailment pages — community statistics here are derived from those reports. Always consult a qualified clinician.

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