Comparison
Ashwagandha vs Kava
Ashwagandha
Indian ginseng (Withania somnifera) — premier adaptogen for stress, anxiety, sleep, and testosterone in men.
Kava
South Pacific root (Piper methysticum) used for anxiety and social relaxation. Hepatotoxic potential limits use.
| Field | Ashwagandha | Kava |
|---|---|---|
| Category | adaptogen | adaptogen |
| Dose range | 300–600mg | 100–300mg |
| Half-life | 6h | 9h |
| Onset | — | — |
| Evidence | EVIDENCEA | EVIDENCEA |
| Safety | ●●●●● | ●●○○○ |
| Legal (US) | USOTC | USOTC |
| PubMed refs | 650 | 600 |
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