Source Naturals Phase 2 Carbohydrate Blocker contains Phase 2 white kidney bean extract. Phase 2 works by slowing down the digestion of starch by inhibiting alpha-amylase, an enzyme that breaks down starch to be more fully absorbed by the body. Carbohydrate Blocker may help support weight loss when used in conjunction with the Maximum Metabolism Weight Loss Plan (included).
*  Note: Unless otherwise noted, this product has not been evaluated by the Food and Drug Administration. Our natural products are not intended to diagnose, treat, cure, or prevent any disease.