Reflex Nutrition Zinc & Magnesium

Instant Mass? Heavyweight is a protein shake designed specifically for hardgainers and athletes wanting a very high quality source of protein and complex carbohydrates. Instant Mass? Heavyweight delivers a blend of complex carbohydrates to provide your body with a serious source of fuel without simply adding sugars, corn syrups, or fructose. It also contains 18 added vitamins and minerals to support your physical goals before, during and after training.