To gain muscle weight you need a high caloric formula with a 2:1 ratio of carbs to protein and a proper exercise program. Massive Whey Gainer has over 30% high quality whey protein per serving. Many so called gainers are 5-10% protein, the balance, sugars. Massive Whey Gainer is the Ultimate weight gain formula on the market today. Each nutritionally complete dose supplies your body with 55 grams of the highest quality (as measured by Biological Value, BV) peptide-bonded and free form amino acids, predigested complex carbohydrates (glucose polymers), pure crystalline fructose and U.S.P. quality vitamins. No soy protein or artificial sweeteners used. Find out what all the hype is about.