Gotu kola has been used across Ayurvedic and Traditional Chinese Medicine for centuries, traditionally valued for wound healing, treating leprosy, and reputed to prolong life. It gained formal recognition in Western medicine relatively early — accepted as a drug in France in the 1880s.
Gotu kola is genuinely, and easily, confused with kola nut (covered separately elsewhere in this Atlas) despite being an entirely unrelated plant with no caffeine content.
Gotu kola has real small human trials across several distinct traditional applications. For chronic venous insufficiency, multiple placebo-controlled trials have found reduced lower-extremity edema and improved venous pressure measures. For anxiety, a double-blind, placebo-controlled trial measuring the acoustic startle response found significantly reduced startle response with gotu kola, and a separate clinical trial in generalized anxiety disorder found meaningful reductions in anxiety, stress, and depression scores over 60 days.
The honest, more skeptical counterweight comes from Memorial Sloan Kettering Cancer Center's integrative medicine database, which states directly: "there is insufficient evidence to support its use for any of these conditions," and specifically regarding cognitive function, "a meta-analysis did not find strong enough evidence to support its use." This genuine tension — real small positive trials, but a more rigorous overall assessment finding insufficient evidence — is why "Limited-Moderate" is the honest, balanced rating.
Above-ground parts eaten fresh as a leafy vegetable in some Asian cuisines, dried and brewed as tea, or prepared as standardized extract for medicinal use.