Jarrow formulas Rhodiola extract is made from a gold-colored root found in the mountainous regions of Eastern Siberia. 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 Rosavins. The term Rosavins refers to the three active compounds: rosavin, rosin, and rosarin; salidroside is not a useful marker for Rhodiola rosea.

Jarrow formulas Rhodiola extract is standardized to contain a minimum of 5% Rosavins, the highest potency available.