INTERNATIONAL PROTEIN HEAVY WEIGHT MASS GAINER

INTERNATIONAL PROTEIN HEAVY WEIGHT MASS GAINER

Heavy Weight Mass Gainer by International Protein is built for one specific person — the hard gainer who eats plenty, trains hard, and still can't put on size. At 1,050 calories per serve with 85g of protein and 160g of carbohydrates, this is a serious caloric density product designed to bridge the gap between what a fast metabolism allows someone to build and what their training demands. Where many people simply need a modest caloric bump to grow, true hard gainers need a significant, consistent surplus — and Heavy Weight delivers that in a single convenient serve.

What separates it from the category standard is the quality of every system within the formula. Rather than relying purely on cheap maltodextrin and a single whey source, International Protein has built a multi-component carbohydrate complex, a four-source protein system, a dedicated lipid blend, DigeZyme® digestive enzymes, added free-form BCAAs, and a full vitamin and mineral panel into the one product. For a high-calorie gainer, that level of nutritional completeness is uncommon.

The carbohydrate complex combines Maltodextrin for fast-releasing glucose with ModCarb™ — a certified gluten-free whole-food blend of oat bran, quinoa, amaranth, buckwheat, and millet that provides slower-releasing complex carbohydrates alongside fibre and micronutrients. Trehalose, a naturally occurring disaccharide, rounds out the blend with a low-glycaemic sugar option that supports sustained energy without a sharp insulin spike. With only 33.7g of sugars per 220g dry serve, the sugar content is notably restrained for a 1,050 calorie product.

The protein system uses four sources spanning fast to slow digestion — Whey Protein Concentrate, Whey Protein Isolate, and Hydrolysed Whey Protein Isolate cover the fast end, while Calcium Caseinate provides the slow-releasing protein fraction that extends amino acid availability over several hours. The result is a broad absorption window that keeps the body in a sustained anabolic state between meals and overnight.

Added free-form BCAAs — L-Leucine, L-Isoleucine, and L-Valine — are included alongside L-Glutamine to augment recovery support and muscle protein synthesis activation over and above what the protein system delivers naturally.

The omega-rich lipid blend contributes MCTs for immediate, clean energy, alongside an omega powder providing omega-3 fatty acids. Omega-3 supplementation supports insulin sensitivity, reducing the likelihood that the large caloric load will preferentially contribute to fat storage rather than muscle.

DigeZyme® — the same multi-enzyme complex found in Superior Whey — covers all five enzyme types (amylase, protease, cellulase, lactase, and lipase), ensuring the large caloric volume is properly broken down without the bloating and digestive discomfort that is a common complaint with mass gainers.

A full vitamin and mineral panel covers Vitamins A, B1, B2, B3, B6, B12, C, D, E, Biotin, Folate, Iron, Zinc, Calcium, and Pantothenic Acid — turning every serve into a genuinely comprehensive nutritional event rather than just empty calories.

Mix 220g (6 scoops) with 400–500ml of skim milk. Consume in the morning, between meals, or post-workout. Can be split into two half-serves throughout the day. Do not use as a sole source of nutrition.

Warning: Not suitable for children under 15 years of age or pregnant women. Should only be used under medical or dietetic supervision. This product is not a sole source of nutrition and should be consumed in conjunction with a nutritious diet and an appropriate training or exercise programme. Contains milk and soy.