The combination of Shred Sport's comprehensive formula plus the powerful carb and starch eliminating ability of Carb Block Ultra has been shown to substantially increase weight loss results vs. using Shred Sport on it's own. Additionally the combination of the two allowed users to keep the unwanted weight off more easily. Shred Sport works to burn fat and speed the metabolism while Carb Block Ultra, when taken before a meal, blocks carbohydrates from turning into unsightly fat. The result is a powerful "1 - 2 punch" that kicks your weight loss results into overdrive!