Applied Nutrition Critical Mass
The UK’s #1 Trusted Mass Gainer | Elite Multi-Phase Protein Matrix | Clinical Strength Anabolic Modifiers
Applied Nutrition Critical Mass is the definitive premium heavy-duty mass gainer engineered for hardgainers, elite athletes, and bodybuilders looking to pack on serious lean mass gainz. Completely avoiding the cheap, sugar-laden fillers found in standard gainers, this advanced formula uses ultra-clean complex carbohydrates from Organic Ground Oats to fuel your daily caloric intake. Each serving unloads a massive 42g of fast- and slow-digesting premium proteins, highlighted by ultra-pure ISO-XP 95% Whey Protein Isolate. Fortified with a high-potency 5g Creatine Matrix, HMB, Leucine, Glutamine, and optimized fat lipids (CLA & MCT), it drives your muscles into an intense anabolic overdrive. Backed by Informed-Sport certification, it guarantees pristine, banned-substance-free power for drug-tested professionals.

Key Performance & Lean Gainer Benefits
- Elite Multi-Phase Protein Matrix: Combines high-purity ISO-XP Whey Isolate, Milk Protein Isolate, and Whey Concentrate to provide an instant post-workout amino spike paired with a steady, multi-hour stream of muscle-building fuel.
- Premium Complex Organic Carbohydrates: Packed with 74.7g of low-glycemic, organic ground oats per serving to consistently replenish muscle glycogen and support dense mass growth with only 2.9g of sugar.
- Clinical 5g Strength & ATP Power Matrix: Blends 3g of pure Creatine Monohydrate with 2g of patented Kre-Alkalyn® Buffered Creatine to rapidly regenerate cellular ATP, scaling up explosive short-term lifting power and muscular torque.
- Aggressive Anti-Catabolic Architecture: Loaded with 5g of L-Leucine, 5g of Glutamine Peptides, 2g of HMB, and 0.5g of HICA to aggressively switch off muscle protein breakdown and dramatically accelerate recovery times.
- Advanced Nutrient Partitioning & Absorption: Fortified with AstraGin®, DigeZyme® digestive enzymes, Alpha Lipoic Acid (ALA), and 100 Million Probiotic Spores (LactoSpore®) to guarantee maximum protein synthesis and bloat-free digestion.
- Metabolic Insulin Regulation: Enhanced with Chromium Picolinate, contributing to a normal macro-nutrient metabolism and helping drive amino acids and glucose directly into working skeletal tissues.
What Is In Applied Nutrition Critical Mass?
Serving Size: 2.5 Scoops (150g) | Servings Per Container: 16
| Typical Nutritional Values | Per 150g Serving | Per 100g Powder | % RI* (Per Serving) |
| Energy | 2367 kJ / 566 kcal | 1578 kJ / 377 kcal | 28% |
| Protein | 42.0 g | 28.0 g | 84% |
| Carbohydrate | 74.7 g | 49.8 g | 29% |
| — of which Sugars | 2.9 g | 1.9 g | 3% |
| Fat | 10.0 g | 6.7 g | 14% |
| — of which Saturates | 2.1 g | 1.4 g | 11% |
| Fibre | 4.6 g | 3.1 g | ** |
| Salt Equivalent | 0.27 g | 0.18 g | 5% |
| Sodium | 0.1 g | 0.07 g | 4% |
| Anabolic Enhancers | |||
| Creatine Matrix | 5.0 g | 3.3 g | ** |
| — of which Monohydrate | 3.0 g | 2.0 g | ** |
| — of which Kre-Alkalyn® | 2.0 g | 1.33 g | ** |
| L-Leucine | 5.0 g | 3.3 g | ** |
| Glutamine Peptides | 5.0 g | 3.3 g | ** |
| HMB | 2.0 g | 1.33 g | ** |
| HICA (Leucic Acid) | 0.5 g | 0.33 g | ** |
| Alpha Lipoic Acid (ALA) | 250 mg | 166.6 mg | ** |
| Chromium | 1.0 mg | 0.6 mg | 2500% |
| AstraGin® | 45 mg | 30 mg | ** |
| DigeZyme® Complex | 40 mg | 27 mg | ** |
| Pterostilbene | 15 mg | 10 mg | ** |
| LactoSpore® Probiotics | 100,000,000 spores | 67,000,000 spores | ** |
*RI = Reference Intake of an average adult (8400 kJ / 2000 kcal). Reference value not established.
Usage & Strategic Application Protocols
- Standard Administration: Mix 2.5 level scoops (150g) into 500ml of ice-cold water or skimmed milk inside your shaker cup. Shake vigorously for 20 seconds until completely dissolved. (Using digital kitchen scales for precise weight measurement is highly recommended).
- Strategic Timing Windows: Consume 1 to 3 servings daily depending on your target caloric thresholds. Ideal application windows include immediately post-workout to anchor glycogen restoration, or between breakfast and lunch as a high-macro snacks.
- Pro Athlete Stack Tip: Critical Mass is highly dense in complex carbohydrates and pairs perfectly with a glucose disposal agent like Applied Nutrition iDrive™ to optimize your natural insulin pathways and force nutrients straight into muscle cells.

Ingredients
Chocolate & Chocolate Mint Profile: Organic Ground Oats (Gluten), Maltodextrin, Protein Blend (MPI 90: Milk Protein Isolate, ISO-XP™ 95: Whey Protein Isolate Milk, WPC 80: Whey Protein Concentrate Milk), Fat Reduced Cocoa Powder, Creatine Matrix (Creatine Monohydrate 3g, Kre-Alkalyn® 2g Buffered Creatine Monohydrate), L-Leucine, Glutamine Peptides, CLA Powder (Conjugated Linoleic Acid), MCT (Medium Chain Triglycerides), HMB (Beta-Hydroxy Beta-Methylbutyrate), Natural Colouring, Natural Flavouring, Instantising Agent (Soy Lecithin), HICA (Alpha-Hydroxy Isocaproic Acid), ALA (Alpha Lipoic Acid), AstraGin® (Astragalus & Panax Notoginseng Extract), DigeZyme® Enzyme Complex (Amylase, Protease, Cellulase, Lactase, Lipase), Pterostilbene, Chromium (as Chromium Picolinate), Sweetener (Sucralose), LactoSpore® Probiotics (Bacillus Coagulans). (Banana, Strawberry, Vanilla & White Chocolate Raspberry profiles use identical active matrices, swapping cocoa solids for specific fruit/dessert natural color and flavor concentrates).
Allergen Alert: For allergens, see ingredients highlighted in BOLD. Contains GLUTEN (OATS), MILK, and SOY.
Safety Guidelines & Precautions: Every single batch is Informed-Sport tested under rigorous ISO 17025 accredited lab protocols for total compliance. Check with a medical professional prior to use if under 18, pregnant, nursing, or managing known health conditions. Do not exceed suggested use. Store in a cool, dry place safely out of reach of children.
- Stock: In Stock
- Brand: Applied Nutrition