Carb-Down 90ct by Davinci LabsA vegetarian dietary supplement to inhibit carbohydrate absorption. Carb Down is a unique combination of Phase 2 brand starch neutralizer, Gymnema sylvestre, and Chromemate brand chromium polynicotinate. Phase 2 starch neutralizer is an extract from the white kidney bean (Phaseolus vulgaris). Research shows that this extract can block the absorption of carbohydrates (from starch) because it contains a protein component that inhibits the enzyme, alpha