MyProtein Impact Whey Gainer 2500 g strawberry. Premium weight gainer designed for athletes and active individuals who need to efficiently increase high-quality calorie intake to support muscle growth and post-workout recovery. The blend of oat flour and whey protein concentrate delivers an optimal ratio of carbohydrates and protein for strength and size goals. Each 100 g serving provides 28 g of protein and 54 g of carbohydrates — ideal for bulking phases, high-output training days, or naturally fast metabolisms.