Adaptogen
herbs claimed to raise resistance to stress; a traditional rather than pharmacological category.
2 compounds · filter the full catalogue by this class
- Bacopa monnieriBotanical extract
Bacopa monnieri is an Ayurvedic herb used traditionally to support memory. Randomised trials in healthy older adults found better verbal learning and delayed recall after about 12 weeks. A meta-analysis of nine trials found faster attention (Trail B) and choice reaction time. It is slow to act and commonly causes gut side effects.
Human RCTs - Rhodiola roseaAdaptogen
Rhodiola rosea is an Arctic and alpine herb marketed as an adaptogen for stress and fatigue. Some randomised trials report less mental fatigue, but one found it made fatigue worse. Systematic reviews describe the evidence as contradictory and the trials as poorly reported.
Limited / mixed