International Heavy Weight Mass Gainer

Hard-Gainer Matrix
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Regular price $94.95
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International Protein was founded by Christine Envall, a competitive body builder for 16 years and three-time Overall World Champion, who has been developing and selling food products since 2000. International Protein offers a range of nutritional sports foods to increase fat loss, support high intensity training and increase muscle strength. Some of the most popular International Protein supplements include Extreme Mass, Amino Charged WPI, Superior Whey, Synergy 5, Extreme Carbs and Kre-Alkalyn. All are available to buy online.

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International Protein Heavy Weight Mass Gainer is formulated for individuals who possess fast metabolisms or high physical outputs and struggle to meet the strict calorie surpluses required for substantial size gains. Featuring a multi-phase carbohydrate engine—anchored by maltodextrin, trehalose, and ModCarb (a real-food matrix of oat bran, quinoa, amaranth, buckwheat, and millet)—this formula regulates glucose absorption, protecting against energy spikes while providing consistent muscular fuel.

The Hard Gainer Protein System leverages four distinct forms of dairy proteins—fast-acting isolates and concentrates alongside slow-digesting calcium caseinate—delivering a continuous amino acid supply for hours. To complement this, healthy lipids including Medium-Chain Triglycerides (MCTs) provide nine calories per gram, offering an efficient calorie-dense component that respects digestive load. Reinforced with a complete profile of 12 essential vitamins and minerals alongside a patented multi-enzyme complex, it ensures that your body efficiently assimilates the high volume of incoming nutrients.

Key Benefits

  • Delivers 1,050 High-Energy Calories Per Serving When Mixed With Skim Milk
  • Provides 85g Of Timed-Release Protein To Support Muscle Repair And Growth
  • Fuels Intense Workouts And Glycogen Replenishment With Multi-Stage Carbohydrates
  • Enhances Digestibility And Nutrient Absorption Via Included DigeZyme Enzyme Complex
  • Fortifies Daily Micronutrient Intake With 12 Essential Vitamins And Minerals

Ingredients Spotlight

  • Maltodextrin, ModCarb Gluten Free & Trehalose Complex - Fast, medium, and slow-digesting carbohydrates engineered to sustain glycogen levels and supply steady physical energy without sudden sharp crashes.
  • Whey Protein Concentrate, Calcium Caseinate, Whey Protein Isolate & Hydrolysed Whey Protein Isolate - Multi-phase protein system releasing essential amino acids rapidly and over extended periods for continuous anabolic support.
  • MCT Oils & Omega Fats - Calorie-dense healthy fats that support fast metabolisms and increase total calorie intake without relying solely on simple sugars.
  • L-Glutamine & Branched-Chain Amino Acids (L-Leucine, L-Isoleucine, L-Valine) - Free-form aminos added to stimulate muscle protein synthesis, minimize muscle breakdown, and accelerate post-workout recovery.
  • DigeZyme Digestive Enzyme Blend (Amylase, Protease, Cellulase, Lactase, Lipase) - Targeted digestive enzymes that break down complex macronutrients to maximise absorption and reduce digestive heavy feelings.

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