International Protein Extreme Mass

Extreme Mass is a dangerously anabolic weight gainer protein, designed for serious mass gainers.

This mass gainer includes 5 types of protein as well as a unique selection of complex carbohydrates and a healthy blend of canola and sunflower oils combined with fast-burning MCT Oils. It puts the emphasis on ensuring the body maintains a highly anabolic state to maximise extreme mass and size gains.