Full Spectrum Rhodiola Rosea combines an extract standardized to 0.8% salidrosides and 0.8% rosavin with a whole root extract, providing a broad spectrum of rhodiola constituents. Rhodiola rosea is a legendary adaptogenic tonifier that comes from the polar Arctic regions of Eastern Siberia. Among traditional people there, it is highly valued as a strengthening tonic to increase physical and mental stamina. * *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.