Muscle Fibre XXXL Weight Gainer 1kg

Mass gaining supplements are very popular with bodybuilders because they offer maximal recovery from intense workouts, and help provide enough calories to gain muscle. Common protein sources include whey, casein, soy and/or plant-based proteins. There is no “standard” fat sources per say, but many companies prefer flax. The carbohydrates almost always come from either dextrose, maltodextrin or waxy maize (or some sort of combination of the three).