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Extreme Mass by International Protein is the answer to all of your mass gaining dreams. Providing you with over 40 grams of protein and over 400 calories of clean macronutrients, Extreme Mass is going to be the edge you need to support your recovery, pack on lean muscle, and get huge.

What are the benefits of using Extreme Mass by International Protein?

Extreme Mass by International Protein is a unique mass gainer as it relies of high quality ingredients. Its goal isn’t just to give you MORE calories. The goal of Extreme Mass is to give you more HIGH QUALITY calories. Best of all, you get this unique protein blend with every serving.

Extreme Mass
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