Maxinutrition Progain is a scientifically proven blend of high-quality whey protein that builds muscle mass and helps you to reach your goals. Available in four delicious flavours - Chocolate, Vanilla, Strawberry, Banoffee. Progain is free from artificial colours, flavours and unnecessary thickeners for a cleaner taste and better consistency. It is gluten free, soy free and suitable for vegetarians. Informed Sport TestedInformed Sport is a global testing and supplement certification programme which provides assurance to athletes that products carrying the Informed Sport mark have been tested for prohibited substances and manufactured to high-quality standards. When to Use For one serving, mix (120g) with 450-500ml of water.