Adaptogens (stress/cognition)AdaptogenA class of plant-derived compounds associated with modulating the stress response; typically studied under chronic, weeks-scale use.
Ashwagandha vs Rhodiola vs Bacopa
The table compares the compounds’ key data from their entry pages. Open each compound’s full entry for details. Educational content, not medical advice.
| AAshwagandha | RRhodiola rosea | BBacopa monnieri | |
|---|---|---|---|
| What it is | Indian ginseng, withanolide glycosides, cortisol-reducing adaptogen. | Arctic root, salidroside + rosavin, anti-fatigue adaptogen. | Ayurvedic herb, bacoside glycosides, memory + anxiolytic. |
| MechanismMechanism of actionThe molecular pathway by which a compound acts in the body (e.g. which receptor or enzyme it binds). | HPA-axis modulation + GABAergic | Monoaminergic + HPA modulation | Antioxidant + cholinergic + BDNF |
| OnsetOnsetThe time from dosing until a measurable effect appears. | 2-8 weeks chronic use | 1-4 weeks | 4-12 weeks chronic use |
| Legal statusLegal / WADA statusThe compound’s regulatory status (e.g. prescription) and its place on the WADA prohibited-in-sport list. | OTC dietary supplement | OTC + EU traditional herbal medicine | OTC dietary supplement |
| Full entry | Open → | Open → | Open → |
What it is
AshwagandhaIndian ginseng, withanolide glycosides, cortisol-reducing adaptogen.
Rhodiola roseaArctic root, salidroside + rosavin, anti-fatigue adaptogen.
Bacopa monnieriAyurvedic herb, bacoside glycosides, memory + anxiolytic.
MechanismMechanism of actionThe molecular pathway by which a compound acts in the body (e.g. which receptor or enzyme it binds).
AshwagandhaHPA-axis modulation + GABAergic
Rhodiola roseaMonoaminergic + HPA modulation
Bacopa monnieriAntioxidant + cholinergic + BDNF
OnsetOnsetThe time from dosing until a measurable effect appears.
Ashwagandha2-8 weeks chronic use
Rhodiola rosea1-4 weeks
Bacopa monnieri4-12 weeks chronic use
Legal statusLegal / WADA statusThe compound’s regulatory status (e.g. prescription) and its place on the WADA prohibited-in-sport list.
AshwagandhaOTC dietary supplement
Rhodiola roseaOTC + EU traditional herbal medicine
Bacopa monnieriOTC dietary supplement