Ideal for those on weight training or high-intensity exercise programmes who are looking to increase their strength and lean muscle mass. A low calorie, fat-free mixable powder that provides high quality protein and no added carbohydrates.As Lucozade Sport Pro Muscle Size & Strength is made up of skimmed milk and whey protein isolate, it contains a high concentrate of protein.This combination of ingredients supports adaptation to high intensity resistance exercise by helping to increase muscle mass and strength.