When it comes to giving your liver a rejuvenating lift, Swanson Schizandra is a great option. Schizandra extract is derived from a member of the magnolia family and has been used for centuries by traditional Chinese herbalists to for a wide range of benefits. Today people most often use the schizandra extract supplement as a liver tonic and as an adaptogen that helps to fight fatigue and counteract the effects of stress on the body. Our schizandra supplement capsules are standardized for a potent 9% of schizandrin concentration.