From the Manufacturer's Label:
Rhodiola is an adaptogenic herb that has been used for centuries and validated for its beneficial effects.** 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.
Manufactured by Jarrow Formulas
No wheat, no gluten, no soybeans, no dairy, no egg, no fish/shellfish, no peanuts/tree nuts.