Nutrition and Supplements Proteins and creatine Optimum Nutrition Serious Mass 5 kg Peanut Butter Chocolate What is Optimum Nutrition Serious Mass 5 kg? Optimum Nutrition Serious Mass 5 kg is a high-quality weight gainer specifically formulated to help those looking to increase their muscle mass and body weight effectively and safely. Each serving provides high calorie density with a precise blend of protein, complex carbohydrates, creatine, glutamine, essential vitamins and minerals , ideal for supporting muscle growth, recovery, and physique development. This supplement is made by Optimum Nutrition , one of the world's leading sports nutrition brands, recognized for its quality, purity, and proven results. Serious Mass is presented as a complete, high-calorie shake, perfect for athletes, bodybuilders, and people with fast metabolisms who need extra calories to achieve their physical goals. Who is it for? Optimum Nutrition Serious Mass 5 kg is designed to: People who have difficulty gaining weight or muscle mass. Athletes who train intensely and require a high calorie intake. Users with accelerated metabolisms who burn calories quickly. Men and women seeking visible improvements in body size. Fitness enthusiasts who want to accelerate post-workout recovery. How is it applied? To prepare Optimum Nutrition Serious Mass 5 kg , simply mix 2 scoops (approximately 334 g) with 700 ml of cold water or milk for extra creaminess and calorie intake. Use a blender or mixer to ensure a uniform texture. You can start with half a serving a day for the first few days to allow your body to adapt, then increase to one or two full servings a day depending on your calorie needs. It's ideal to consume: After training, to support muscle recovery. Between meals, as an additional caloric boost. Before bed, to prevent nocturnal catabolism. Product use Serious Mass 5 kg is a high-calorie, daily supplement that complements your diet and training to help you achieve your muscle-building goals. It doesn't replace main meals, but it's a key ally in meeting the energy requirements of demanding athletes. Contains over 1,250 calories per serving with 50g of protein. Includes creatine, glutamine, and 25 vitamins and minerals. Promotes an anabolic environment ideal for muscle development. Available in delicious flavors like vanilla, chocolate, and strawberry. It's recommended to combine Serious Mass with a balanced diet and a structured training plan to maximize results. Always consult with a nutritionist or personal trainer to tailor its use to your specific goals. Buy Optimum Nutrition Serious Mass 5 kg In our online store, you can buy Optimum Nutrition Serious Mass 5 kg with a full guarantee of authenticity, at the best price on the market, and with fast shipping. Permanently stocked with popular flavors available. Delivery within 24/48 hours throughout Spain and Europe. Secure payment with multiple payment methods. Customer service specialized in sports nutrition. Don't wait...