Optimum Nutrition Serious Mass - 5.45kg Protein Powder Gainer

Optimum Nutrition Serious Mass is a high-calorie mass gainer formula engineered for athletes and fitness enthusiasts pursuing serious muscle growth. Each serving delivers over 1262 calories and 50g of protein to support muscle development, complemented by 3 grams of creatine monohydrate for enhanced performance. The powder contains 25 essential vitamins and minerals, including vitamin D and B1, alongside over 248 grams of carbohydrates per serving to aid recovery without added sugar. With less than 5g fat per serving, this mass gainer provides a lean approach to calorie surplus nutrition. The 5.45kg container offers 16 servings and comes in six flavours - banana, chocolate peanut butter, chocolate, cookies and cream, strawberry, and vanilla. Mix 2 scoops with 710ml water or plant milk, and customise with fruit or nut butters for additional calories and nutrients. Trusted by performance athletes for over 35 years, Optimum Nutrition delivers a scientifically formulated solution for serious muscle-building goals.