BIOCARB Natural Carb Blocker and XLS Medical Fat Binder contains natural ingredients that are useful to help reduce carbohydrates that are being absorbed from your diet. It is a highly concentrated supplement with a polymax formula that is a unique patent.. Glucomannan Konjac Root reduces the absorption of fat from the food. Biocarb is free from harmful things hence, no harmful side effects.XLS fat binder helps to lose up to three times more weight than dieting and exercise alone. Fat binder is made from the natural fibrous products that are derived from dehydrated cactus leaves. It is free from side effects and does not harm the body.