Whey protein or soy protein: which one to take?

Protein shakes and drinks are a healthy thing (even J. Lo admits that they help her maintain such an incredible shape). This is an additional source of protein necessary for losing weight and gaining muscle mass. In addition, protein powder is often fortified with vitamins and minerals. The most popular sources of protein in dietary supplements are whey or soy. In the first case, milk is completely purified from water, fats and carbohydrates, leaving only protein. In the second, protein is obtained from soybeans.