Food Supplements - Nutrient Bars - Protein Bars

Protein bars are used by fitness enthusiasts to help build muscle mass and strength, with an average thirty percent protein content per bar. Protein may be derived from soy, whey, lactose-free milk solid, or a specific laboratory preparation. They provide additional protein above and beyond that obtained from the diet and these bars are often used by weight-lifters and football players for their muscle building potential.