Rhodiola review & buying guide
Updated October 2026 · How we review
What it's been studied for
Fatigue, mental performance under stress and exercise endurance. Studies are small and results vary.
What to look for
Root extracts are often standardized to about 3% rosavins and 1% salidroside, a ratio modeled on early research extracts.
- Plant part and extract ratio or standardization on the label
- Amount per serving in milligrams
- Third-party testing (USP Verified or NSF)
- No claims to cure or treat disease
Cautions
Can cause dizziness, dry mouth or trouble sleeping in some people; often taken earlier in the day. May interact with some medicines, including antidepressants and medicines for blood pressure or diabetes. People with bipolar disorder are usually advised to avoid it.
For more, see the NIH National Center for Complementary and Integrative Health: Rhodiola fact sheet.
Compare rhodiola supplements
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As an Amazon Associate, we earn from qualifying purchases.Important: These statements have not been evaluated by the Food and Drug Administration. Products discussed are not intended to diagnose, treat, cure or prevent any disease. This site is for general information only and is not medical advice. Talk with your doctor or pharmacist before starting a supplement, especially if you are pregnant or breastfeeding, take medication, or have a health condition.