Rhodiola Rosea
Commonly used for
EnergyFocusAthletic Performance
Where to Buy
Our experts personally review each product we recommend for quality and cost effectiveness.
The cheapest product is usually low quality, but more expensive doesn’t always mean better.
The cheapest product is usually low quality, but more expensive doesn’t always mean better.
What is it? / Overview
Rhodiola is an adaptogen that may improve resilience to physical and mental stress while reducing fatigue. Benefits are generally modest and most noticeable during periods of prolonged stress.
How is it used? / Administration
Form: Rhodiola rosea standardized extract (3% rosavins, 1% salidroside)
Typical dose studied: 200–400 mg/day
Timing: Morning or early afternoon (may be stimulating)
Choose standardized extracts from reputable manufacturers. Take earlier in the day to avoid sleep interference.
How well does it work? / Evidence
~ Moderate evidence
Who should avoid it?
Avoid with: Bipolar disorder
Interacts with: Stimulants; Antidepressants — consult clinician
Already taking it? Evaluate effectiveness after 4–8 weeks.
Research & references
Panossian A et al. Rhodiola adaptogenic properties. Hung SK et al. Systematic Review on Rhodiola. ESCOP Monograph on Rhodiola rosea.
Disclosure: Knozela is a participant in the Amazon Associates affiliate program. Some "Where to buy" links on this page are affiliate links -- if you make a purchase through them, Knozela may earn a commission at no additional cost to you.