Stress adaptation and fatigue resistance

Rhodiola Rosea

Rhodiola may help fatigue and endurance in some users, but trial quality and effect size are mixed.

Evidence Level B

Evidence and Risk Labels

Evidence A/B/C reflects research maturity, and risk levels reflect monitoring needs. These labels support comparison, not diagnosis or treatment decisions.

See full scoring guide

Clinical Snapshot

Effect Size
Modest fatigue/endurance support with heterogeneous certainty
Safety
Low Risk

May be stimulating in sensitive users when taken late in the day.

Research Dosing

This reflects common ranges and protocols used in published studies, not personal medical advice.

Typical Daily Dose
200-400 mg standardized extract
Timing
Morning or early afternoon
Protocol Duration in Studies
2-8 weeks in fatigue and stress studies

Most protocols avoid evening dosing because of mild stimulating effects.

Best Fit Profiles

  • high-load work periods and travel stress

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