Rhodiola is an adaptogenic herb that has been used for centuries and validated for its beneficial effects on energy production and reduction of fatigue.* Though there are greater than 20 species of rhodiola, only authentic Rhodiola rosea contains the three active rosavin compounds: rosavin, rosin, and rosarin.Jarrow Formulas® Rhodiola extract is standardized to contain a minimum of 5% rosavins, the highest potency available.Made in the USA.*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.