BigMuscles Smart Gainer is a high-calorie mass gainer designed for clean and effective weight gain. Each serving delivers 30g protein, 150g carbohydrates, and 3g creatine to support muscle building, strength, and recovery. Powered by a balanced protein–carb–creatine blend, it fuels intense workouts and promotes lean mass gains. Available in a rich Chocolate Éclair flavour for great taste with every shake.