Aci musclemass mass gainer is the mass gainer from the portfolio of musclemass. Blended with best whey concentrate imported protein , creatine and glutamine and fat derivatives. It is best suited for beginners as well as serious mass gain training. High quality complex carbohydrates restrict the sudden rise in blood sugar levels. High calories and rich proteins boost muscle development. 27 vital nutrients present in this supplement stimulate bio-chemical reactions to quench muscle fatigue after exercise. Supplement has added creatine to improve the endurance and strength. Musclemass mass gainer has best chocolate flavor, vanilla flavor and butter scotch flavor which are the best among the protein supplements available in the market. No side effects, safe to consume. Use shaker to mix it with water or milk.