Warrior Mass is a high calorie mass gainer that helps you build muscle quickly by pairing fast and slow releasing proteins with a dense carbohydrate matrix. From a brand with GMP facilities and a long heritage of quality, Warrior Mass stands out for purity and consistent results.

Available Sizes & Variants:

5040 grams mass gainer - designed for ambitious gainers seeking big calories and real results.

Benefits & Features:

• Boosts muscle growth with a protein powder mix of quick and gradual releasing proteins
• Built for everyday use
• Whey and milk proteins deliver essential amino acids swiftly to muscles
• Carbohydrate matrix fuels intense workouts and supports glycogen recovery after training
• Key ingredients including creatine and glutamine work together to help you push strength, aid recovery, and keep you going through tough training blocks daily

Warrior Mass draws on a heritage of quality, produced in GMP certified facilities and using fine milled Scottish oats with a protein blend of whey, casein and milk protein. The formula includes peptide bonded glutamine to support recovery, and in some versions may include creatine or L-arginine to boost training capacity. Widely respected among serious lifters, this mass gainer is trusted for steady calories and dependable gains in a convenient protein powder form, making it one of the best protein shakes for hard gainers.

Energy, Protein, Carbohydrates, of which sugars, Fat, of which saturates, Fibre, Sodium

• GTIN: 5060424707645
• Manufacturer: Warrior
• Size: Vanilla Cheesecake
• Categories: Best SellersSports SupplementsSubscribe & Save ProductsWarriorWeight Gainers & Muscle Mass Gainers
• Best buy: 6 - 24 months+

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products 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 30 days in the same original and unopened packaging. Subject to T&C's.

Mix 280g (2 scoops) with 300ml of water, shake and consume immediately. We recommend 1 serving immediately post workout, and 1 at any other time of day when you want to enjoy more protein, fuel up on healthy nutrition, or enjoy a tasty shake. Store in a cool, dry place, away from direct sunlight and out of the reach of children. Warning: Dietary supplement should not be used as a substitute for a varied diet.

Please consult the product packaging for accurate instructions on how to use the product.

*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

The Active Ingredient Is: Whey Protein

Whey protein is a solid, high‑quality dairy protein that gives essential amino acids for muscle repair and growth. In this blend, whey protein sits alongside casein and milk protein to help fast and steady amino acid availability.

This form comes from dairy isolates or concentrates and is commonly used in sports nutrition to support muscle recovery and adaptation to resistance training.

What Does Whey Protein Do?

Whey protein helps to support muscle protein synthesis and lean body mass during resistance training, as shown in research. It offers a rapid supply of amino acids to muscles, helping maintenance and recovery.

*This product is not intended to diagnose, treat, cure, or prevent any disease.

Warrior is Welzo chosen because this brand lines up with our strict partner criteria for credibility, consistency and quality. The brand runs in GMP certified facilities and carries out batch-level quality assurance, with a clear commitment to quality and purity across its products. This emphasis on rigorous manufacturing standards mirrors our own expectations for reliability and safety, and it supports the trust we place in Warrior Mass as a staple for athletes and hard gainers. The product is formed with protein blends and a dense carbohydrate matrix, plus ingredients like glutamine and occasionally creatine, which fits with the brand’s focus on comprehensive mass building formulations. Our medical team our medical team reviews this alignment against our internal standards, while the quality and certifications they enforce the standards we enforce to ensure batch integrity and safety.