Dietary Supplement. What It Is Real Gains™ is a "clean" high protein weight gainer providing fast and slow protein sources in the form of why isolates and concentrates coupled with micellar casein. Real Gains™ utilizes complex carbs as its primary calorie. Real Gains™ also provides healthy fats from MCTs and EFAs and inulin for fiber in a single, nutrient dense serving. Whey-Micellar Casein Protein Matrix. Complex Carbs. 600+ Calories per Serving. Enhanced with Inulin & Flaxseed Oil. Typical Amino Acid Profile - Grams o.