Centella Asiatica (Expanded) for Anxiety Relief

Research suggests that Centella asiatica may have anxiolytic properties, with the most direct human evidence coming from a double-blind, placebo-controlled randomized controlled trial demonstrating that the herb significantly reduced the acoustic startle response, a physiological marker of anxiety. Supporting this finding, multiple reviews spanning 2016 through 2025 consistently indicate that the plant's key active compounds — particularly triterpenes such as asiaticoside and madecassoside — may exert neuroprotective, antioxidant, and anti-inflammatory effects through mechanisms plausibly relevant to anxiety, though these reviews draw predominantly on laboratory and animal data rather than clinical trials. Studies indicate that the broader evidence base remains limited in clinical depth and scale, with reviewers repeatedly calling for larger, more rigorous human trials before firm conclusions can be drawn, and at least one animal study found no improvement in anxiety-like behavior in a specific disease model despite showing other neuroprotective effects. Overall, while the directional trend in the literature is supportive, the evidence for Centella asiatica as an anxiety remedy rests on a relatively narrow foundation of direct human clinical data, and readers should weigh that limitation when interpreting these findings.