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 body’s natural capacity to adapt to life’s changing conditions. NOW® Rhodiola is standardized to 3% Total Rosavins and min. 1% Salidroside.Each capsule contains: Rhodiola (Rhodiola rosea) (Root)  500 mg   (Standardized to contain 3% Rosavins and 1% Salidrosides) Non-Medicinal Ingredients: Veg Capsule (hypromellose, water), Cellulose, Silica and Magnesium Stearate (vegetable source). Adult Dosage: Take 1 capsule once daily on an empty stomach. Not to be taken immediately before bedtime.