Liver Extract 550 mg by Ecological Formulas is a dietary supplement designed to promote healthy liver function to help detoxify the blood. Liver Extract 550 mg contains a blend of liver sourced from organically grazed cattle, free of pesticides or synthetic hormones. This liver, carefully lyophilized to preserve important nucleoproteins and polypeptides, is then mixed with iron, folic acid and Vitamin B12 to offer the body a formula that not only supports healthy liver function but also delivers powerful antioxidant protection.