Absolute Nutrition C Block Carb Starch Blocker 90 Caplets Per Bottle C-Block is a carb and starch blocker supplement from Absolute Nutrition designed to help you rid yourself of unwanted carbohydrates and curb carb cravings. The active ingredient is the trademarked Trimplex phaseolus vulgaris which has been shown to effectively help prevent the body from absorbing some of the unwanted starches. Take 2 tablets of C Block 15 minutes before a meal and block up to 35 grams of carbohydrates. CBlock is safe. There have been no known reported side effects with this product. OUR GUARANTEE We re so certain you ll be pleased with this product, we offer our Money Back Guarantee on all purchases.