
Vitamins are vegetable or animal substances. They have no nutritional value, such as carbohydrates. But their task is no less important: For all metabolic processes Vitamins play a key role. Depending on the type they fulfill different functions: the fighter against serious diseases to which the substance of beauty.
Vitamins are important nutrients that must be supplied in the diet because the body can not produce itself. The only exception: Vitamin D, sunlight is made in the skin. It must however...