METABOLIC VITAMINS™ is a formula that has been shown to have results. People who take it feel the difference both in their body s energy levels and in their clothing size. This vitamin and mineral formula is really powerful. For the same reason it should never be used on an empty stomach as they are highly concentrated natural compounds. METABOLIC VITAMINS™ are super potent vitamins and minerals that increase the body s energy improve metabolism and accelerate weight loss. A slow metabolism is an impaired metabolism. You need to use a vitamin and mineral formula that is high potency to boost metabolism or you are set to fail. In METABOLIC VITAMINS™ we have an exclusive formula with 50 mg of B vitamins to combat slow metabolism and they are the only ones on the market with true vitamin B-3 (Niacin). They contain digestive enzymes to assist absorption of vitamins and minerals in the digestive process.