Progain is Britains best selling weight gainer. It's advanced technology has made it staple diet for many top athletes, bodybuilders, and sports stars alike, from beginners to advanced.
Unlike otherweight gainers, which load up the calories with proteins that cause side effects, such as egg, milk, casein, and soya. Progain contains that same exclusive BIOMAX protein as used in Promax. So you won't suffer from wind and stomach upset etc...