XLR8 Sports Nutrition’s Rapid Gains is scientifically formulated for those individuals who are unable to meet the calorie requirements to gain weight. A calorie surplus is essential to increase mass for those who are deficient due to poor food choices or high metabolism. Rapid Gains is the ideal option to supplement a balanced diet and regular training. This combination of triple blend protein and carbohydrates makes a tasty shake when added with milk. Consume this shake immediately post workout and when there is a long gap between meals.