Centella asiatica (Gotu kola, standardised TTFCA)

Tier 2 — promising · Venous insufficiency · Wound healing · Cognition

Standardised to triterpene fraction (TTFCA) containing asiaticoside and madecassoside. Cochrane reviews confirm it improves symptoms of chronic venous insufficiency including leg heaviness and swelling. Also promotes wound healing by stimulating collagen synthesis. Traditional Ayurvedic use for cognition is supported by small trials showing improved working memory. Not to be confused with kola nut.

Dose: 60–120 mg/day TTFCA (total triterpenic fraction of Centella asiatica); take in divided doses