The only way to stop carb absorption is by taking natural substances like white kidney bean extract, acting as carbohydrate blockers in the intestine. The goal is to let them pass your gut without getting broken by the amylase enzyme that turns them into simple sugar molecules. Much of the long-chain carbohydrates (starch) that are present in pasta, rice, and potatoes can pass through your intestine without giving extra sugar that is the number one path to increase fat in your body.