Optimum Nutrition Gold Standard Gainer is designed to supply quality calories with a 2:1 ratio of carbs to protein. Every 771-calorie serving is packed with 55g of protein - perfect for athletes who want to build muscle through training. Additionally, this concentrated blend features premium proteins, oats, and pea and potato starch to promote lean mass gain. Sweetened for a great taste, it also contains nutrient-dense fats and essential amino acids. As a post-workout formula, it offers 4g of carbohydrates per kg of body weight within 4 to 6 hours of exercise for fast recovery. Benefits include.

• 55 g of high-quality protein
• 771 calories from quality ingredients
• With carbs from oat, pea & potato
• With fats from flaxseed & MCTs
• 2:1 ratio of carbohydrates to proteins
• Informed Choice Certified - Trusted by Sport