New Biocarb Natural Carb Blocker. Biocarb Carb Blocker contains the innovative new complex called Polymax which has been shown to block the amount of starchy carbohydrates metabolised by the body, and therefore helps reduce the amount of calories being absorbed from staples of the British diet such as white bread, pasta and potatoes. Buy this product and Take 50% Off on BioCarb. With coupon code: BCCARB112 at checkout.