However, supplements can provide you with extra nutrients when your diet is lacking or certain health conditions trigger a deficiency (such as cancer, diabetes, or chronic diarrhea). In most cases, a multivitamin/mineral supplement will provide all the micronutrients your body needs.
it can help you increase strength, gain muscle and lose significant amounts of body fat. However, whey is more than just protein. It contains many other nutrients, some with potent biological effects. In fact, it's one of the best-studied supplements in the world.