Unlock your full potential with Optimum Nutrition Serious Mass 5.45kg in the delectable Chocolate Peanut Butter flavor. This premium weight gainer is meticulously formulated to help you achieve your muscle-building goals. Each serving delivers a whopping 1,250 calories, packed with 50 grams of high-quality protein, over 250 grams of carbohydrates, and essential vitamins and minerals. Whether you're a hard gainer struggling to put on mass or an athlete looking to enhance your performance, Serious Mass provides the nutritional support you need.

The rich Chocolate Peanut Butter flavor makes every shake a treat, ensuring you look forward to your post-workout nutrition. Optimum Nutrition has gone the extra mile to ensure that Serious Mass is easy to mix, so you can enjoy a smooth, lump-free shake every time. Simply blend with water or milk, and you're good to go.

What sets Serious Mass apart is its comprehensive nutrient profile. It includes Creatine, Glutamine, and Glutamic Acid to support muscle recovery and growth. Additionally, it features 25 essential vitamins and minerals, including Vitamin C, Vitamin D, and Zinc, to bolster your immune system and overall health.

Optimum Nutrition is a trusted name in the fitness industry, known for its commitment to quality and efficacy. Serious Mass is no exception, offering a potent blend of ingredients that work synergistically to help you pack on the pounds and build lean muscle mass. Elevate your fitness journey with Optimum Nutrition Serious Mass Chocolate Peanut Butter and experience the difference in your performance and physique.

Please refer to the product packaging label for the most accurate and up-to-date information regarding ingredients. It is crucial to review all ingredients on the product packaging itself carefully to ensure they align with your dietary needs and restrictions. Welzo cannot be held responsible for any discrepancies or allergen information on the website as the information is not always accurate.

UK, Europe & Rest of the World Shipping Details:
Same day dispatch for orders placed by 2pm (Orders after 2pm dispatched next working day).

Free shipping on orders over £45 to the UK.

Returns: Our supplements are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 14 days in the same original and unopened packaging.

Please consult the product packaging for accurate instructions on how to use the product. Welzo is not liable for any discrepancies or errors on the website. Always follow the directions on the packaging to ensure proper use.