Rhodiola (Rhodiola rosea) is indigenous to the Arctic and Alpine regions of Europe, Asia and America and has long been used as a tonic by many cultures, including the Ancient Greeks. Rhodiola is generally known as an adaptogen, a term which refers to any agent possessing the ability to increase the body's capacity to adapt to stressful conditions.* This standardized extract of min. 3% Total Rosavins and min. 1% Salidrosides is the highest potency of Rhodiola available.