Reflex Nutrition Growth Matrix 1.8kg is a high-calorie weight gain supplement designed for individuals who need to increase their daily caloric intake to build muscle and promote recovery. It combines a blend of high-quality proteins, carbohydrates, and healthy fats to provide a well-balanced source of nutrition. Packed with 32g of protein per serving, Growth Matrix supports muscle growth, repair, and recovery after intense workouts. The added carbohydrates offer a slow-releasing energy source, which helps to fuel training and replenish glycogen stores. Ideal for hard gainers and those looking to increase muscle mass without excessive fat gain.