Muscle-building protein supplement DY Metabolic Mass Gainer by Dorian Yates provides a high-quality blend of 42g Whey Protein, Creatine, B Vitamins, and Magnesium to support muscle growth and recovery. Designed for strength athletes and active individuals, this supplement offers a balanced combination of nutrients for effective muscle support.  High-Quality Protein: Delivers 42g of Whey Protein per serving to help support muscle maintenance and growth as part of a balanced diet. Balanced Carb & Fat Ratio (37% Carbs, 4% Fats): Designed to provide energy without excessive fat intake. Essential Nutrients: B Vitamins support normal energy metabolism, while Magnesium contributes to normal muscle function and protein synthesis. Developed with Expertise: Created by Dorian Yates, drawing from over 40 years of fitness and nutrition experience. Important Information: This product is intended to supplement a balanced diet and healthy lifestyle. Not a substitute for a varied and balanced diet.