General Dosage
200-600mg daily of extract standardized to 3% rosavins and 1% salidroside
Maximum dose: 680mg/day of standardized extract (higher doses not well-studied)
Rhodiola Rosea Dosage Guide
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Dosage Recommendations
General recommendation: 200-600mg daily of extract standardized to 3% rosavins and 1% salidroside
Timing: Morning or early afternoon; avoid evening dosing due to stimulating effects
Dosage by Condition
| Condition | Recommended Dose | Evidence |
|---|---|---|
| Fatigue reduction | 200-400mg SHR-5 daily | Moderate |
| Stress resilience | 400-576mg SHR-5 daily | Moderate |
| Cognitive performance | 200-300mg before mental tasks | Moderate |
| Mild depression | 340-680mg daily | Emerging |
Upper limit: 680mg/day of standardized extract (higher doses not well-studied)
Timing & Absorption
Morning or early afternoon; avoid evening dosing due to stimulating effects
Can be taken with or without food.
References
- Darbinyan V, Kteyan A, Panossian A, et al. (2000). Rhodiola rosea in stress induced fatigue — a double blind cross-over study of a standardized extract SHR-5 with a repeated low-dose regimen on the mental performance of healthy physicians during night duty. Phytomedicine. DOI PubMed
- Olsson EM, von Schéele B, Panossian AG (2009). A randomised, double-blind, placebo-controlled, parallel-group study of the standardised extract SHR-5 of the roots of Rhodiola rosea in the treatment of subjects with stress-related fatigue. Planta Medica. DOI PubMed
- Hung SK, Perry R, Ernst E (2011). The effectiveness and efficacy of Rhodiola rosea L.: a systematic review of randomized clinical trials. Phytomedicine. DOI PubMed
- Mao JJ, Xie SX, Zee J, et al. (2015). Rhodiola rosea versus sertraline for major depressive disorder: A randomized placebo-controlled trial. Phytomedicine. DOI PubMed