Gotu kola is a traditional Ayurvedic and Chinese medicine herb with two distinct clinical applications: (1) wound healing and scar reduction (the triterpenes madecassoside and asiaticoside stimulate collagen synthesis by 200-300%), and (2) anxiety and cognitive enhancement. Our research shows it's one of the rare herbs where the dermatological evidence is STRONGER than the nootropic evidence — the wound healing mechanism is well-characterized at the molecular level (SMAD pathway activation). A 2010 study found it reduced anxiety by 30% after a single dose, but the cognitive data is mostly from animal studies.
The triterpenes (asiaticoside, madecassoside, asiatic acid, madecassic acid) have two distinct pharmacological actions: (1) For wound healing/collagen: they activate the TGF-β/SMAD signaling pathway in fibroblasts, dramatically increasing type I and type III collagen synthesis, fibronectin, and glycosaminoglycan production. They also increase tensile strength of new skin by improving collagen cross-linking. (2) For anxiety/cognition: they modulate GABAergic neurotransmission and reduce corticosterone (stress hormone), though the exact CNS mechanism is less well-characterized than the dermatological pathway.
No critical interactions identified.
Reviewed by the Scan Dose Research Team and Clinical Advisory Board | Last updated:
Not medical advice. Based on published clinical research and systematic reviews.