High levels of lead have been found in protein powders. See which vegan, mass-gainer and whey products to avoid.

Are you afraid of taking supplements for putting on muscle mass even though they are absolutely necessary to aid you in the process? Do you fear that supplements could be harmful to your body?

Mass gainer protein powders, also called weight gain protein powders, are specifically formulated for athletes and weightlifters looking to pack on pounds, particularly lean muscle ...