Swanson Calcium D-Glucarate - 2-in-1 Formula is a special dietary ingredient for cellular defense and detoxification support. Your liver works hard to keep you healthy; give it a helping hand with this unique formula of calcium and glucaric acid. Glucaric acid, from D-glucarate, is a substance found in both fruits and vegetables which the liver needs to improve the water-solubility of waste and thereby promote elimination of waste and toxins. Binding glucaric acid to calcium allows for effective supplementation and affordable support for detoxification and liver health.