St Johns Wort has a recommended daily allowance (RDA) of 300mg and a safe upper limit (UL) of 900mg per day. Exceeding the upper limit may cause adverse health effects. Use NutriAudit to check if your supplement stack keeps St Johns Wort within safe limits.
| Region | Organization | RDA | Upper Limit (UL) | Unit |
|---|---|---|---|---|
| 🇪🇺 Europe | EFSA | 300 | 900 | mg |
RDA = Recommended Daily Allowance (adequate intake for most adults). UL = Tolerable Upper Intake Level (maximum safe daily amount).
St. John's Wort may interact with antidepressants, causing serotonin syndrome.
Consult a doctor before combining with antidepressants.
The safe upper limit (UL) for St Johns Wort is 900mg per day according to EFSA. Exceeding this amount regularly may increase the risk of adverse effects.
The RDA for St Johns Wort is 300mg per day for most adults. This amount is sufficient to meet the needs of 97-98% of healthy individuals.
Yes, St Johns Wort has 1 known interaction with other supplements. St. John's Wort may interact with antidepressants, causing serotonin syndrome.
Check if your supplement stack keeps St Johns Wort within safe limits.
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