Now Foods Rhodiola 500 mg, Mood & Stress SupportProduct Color: Yellow 3% Standardized Extract Helps Body Adapt to Stress of Daily Life* 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 support the bodys natural capacity to adapt to lifes changing conditions.* NOW