Nutrabio Extreme Mass

NutraBio Extreme Mass is a high-calorie mass gainer designed to support quality muscle growth without excess fat gain. Featuring a clean formula, it delivers 650 calories per serving with 53g of premium protein from a 70:30 blend of fast-absorbing whey protein concentrate and slow-release micellar casein. This combination promotes immediate amino acid availability and sustained muscle recovery for up to seven hours. Its unique Clean Carb Technology uses Fibersol-2®, a digestive-resistant maltodextrin that provides steady energy release while minimizing blood sugar spikes. Ideal for enhancing lean muscle mass, recovery, and muscle preservation during bulking phases.