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USN Muscle Fuel Anabolic is one of the most recognised and trusted all-in-one mass gain formulas on the market, engineered for athletes who are serious about size, strength, performance, and recovery. This isn’t a lightweight shake or a casual meal replacement — it’s a full-scale muscle-building catalyst designed for individuals who train hard, recover deeply, and want noticeable progress in strength and lean mass.

Unlike traditional gainers that rely heavily on excessive sugars and filler carbs, Muscle Fuel Anabolic follows a performance-driven formula built around premium proteins, a high-quality carbohydrate matrix, creatine, beta-alanine, HMB, glycine, taurine, BCAAs, glutamine, essential vitamins, key minerals, digestive enzymes, and recovery-supporting actives. Each 150g serving delivers a huge 55g of protein, 77g of carbohydrates, and a powerful combination of anabolic ingredients to maximise recovery, support hypertrophy, and fuel demanding training sessions.

The Protein Matrix blends whey concentrate, milk protein, casein, egg albumin, and soy isolate — providing fast, medium, and slow-digesting proteins that support muscle growth throughout the day. This ensures your body receives a sustained release of amino acids to aid recovery, repair tissue damage, and support lean mass development.

The Carbohydrate Matrix (maltodextrin, dextrose, fructose) helps replenish glycogen rapidly after tough sessions, giving your muscles the fuel they need to grow. The carbs also help shuttle creatine and amino acids into muscle cells more efficiently — a key part of how this formula triggers an anabolic response.

A major selling point of Muscle Fuel Anabolic is its Creatine and Beta-Alanine combination. Creatine boosts ATP regeneration for explosive strength and power, while beta-alanine helps buffer lactic acid, letting you train harder for longer. The inclusion of HMB adds further support for muscle preservation and lean mass growth by reducing muscle breakdown during intense sessions.

USN also loaded this formula with BCAAs, glutamine, glycine, and taurine, essential aminos that support muscle protein synthesis, reduce soreness, improve cell hydration, and boost recovery rates. This makes every workout feel more productive while accelerating the rebuilding process afterward.

Another stand-out element is the Vitamin & Mineral Complex, including vitamins A, B-complex, C, D, E, biotin, folic acid, magnesium, calcium, potassium, and phosphorus — all crucial for health, performance, metabolism, recovery, energy, and hormonal balance. These added micronutrients ensure your body is not just fuelled but optimised.

USN also includes Tolerase L (digestive lactase enzyme) to improve digestion of dairy-based proteins, reducing discomfort and increasing nutrient availability.

Muscle Fuel Anabolic is designed exclusively for lifters, strength athletes, hard gainers, and anyone following a mass-gaining plan. It is not a weight-loss product and not intended for casual users or those under 18.

What you get is a complete mass-building system in one scoop — high protein, performance carbs, creatine, anabolic support, recovery agents, vitamins, minerals, and digestive enzymes. No guesswork. No stacking required. Just one product that does it all.

This is for athletes who want big results, big calories, and big progress — delivered reliably, efficiently, and consistently.

FAQ

Who is Muscle Fuel Anabolic for?
Bodybuilders, strength athletes, and hard gainers wanting muscle mass and performance improvements.

Is this suitable for anyone under 18?
No — it is strictly for adults only.

Can it be used for weight loss?
No. This is a mass-gaining product.

Does it contain creatine?
Yes — 5g per serving.

Is it okay for everyday use?
Yes, if you are following a mass-gaining diet and training consistently.

Does it replace meals?
It can be used as a high-calorie meal replacement or post-workout shake.

DY Nutrition Metabolic Mass 6kg is a heavyweight mass gainer engineered by one of bodybuilding’s greatest minds, Dorian Yates. Built from decades of real-world training, nutrition, and supplement experience, Metabolic Mass is a high-calorie, high-performance formula designed for athletes who struggle to gain size, strength, and quality lean mass.

The problem most hard gainers face isn’t motivation—it’s calories, digestion, and protein turnover. To build more muscle, your body needs an efficient supply of carbohydrates, quality proteins, fats, amino acids, vitamins, and minerals. Metabolic Mass combines all of these into one complete, powerful mass-gaining system that fuels hard training and supports rapid recovery.

Each serving delivers a massive 42g of high-quality protein from multiple sources including whey protein concentrate, milk protein concentrate, caseinate, and hydrolysed beef protein isolate. This diverse blend ensures fast, medium, and slow digestion rates—keeping your muscles fed all day while supporting protein synthesis and reducing breakdown.

To support intense training and fast glycogen replenishment, Metabolic Mass provides 99g of carbohydrates per servingfrom clean, effective sources such as dextrose and maltodextrin. This quick-release carb matrix spikes energy, boosts recovery, and drives amino acids directly into muscle cells when your body needs it most.

Dorian Yates didn’t stop at macros. His Metabolic Mass formula includes a full amino acid complex, featuring AAKG, glutamine, leucine, isoleucine, valine, lysine, citrulline malate, methionine and more—making it a complete muscle-building catalyst. These amino acids support growth, improve recovery speed, enhance blood flow, reduce training fatigue, and feed your muscles during high-volume sessions.

You also get Creatine Monohydrate to fuel performance, increase strength, and support bigger, more powerful lifts—an essential component for anyone chasing serious gains.

DY Nutrition also reinforced the formula with a broad vitamin and mineral complex, ensuring your body has everything it needs for optimal metabolism, immunity, and cellular function. B vitamins support energy production, mental focus, and healthy metabolism—helping you push harder in training and recover more efficiently after it.

The addition of Magnesium helps transform food into energy, promotes better muscle function, prevents cramps, and supports protein creation. Herbal extracts such as green tea, ginseng, tribulus and green coffee provide natural energy, antioxidant protection, metabolic support, and hormonal balance.

Medium-chain triglycerides (MCTs) contribute clean energy, enhanced nutrient absorption, and improved endurance without slowing digestion. CLA supports healthy weight management and improved body composition.

This is not your average mass gainer—it’s a full nutritional system built by a six-time Mr Olympia winner. Whether you struggle to eat enough calories, burn through food too fast, or want a meal replacement that actually supports muscle growth, Metabolic Mass is engineered to help you push beyond plateaus and build dense, powerful size.

DY Nutrition’s Metabolic Mass is ideal for athletes, bodybuilders, or anyone wanting to increase daily caloric intake, improve recovery, and pack on lean mass without excess fat. Every scoop is built on the foundation of 40+ years of bodybuilding knowledge, ensuring one of the most complete and effective gainers ever created.

If you want real size, real strength, and real results—this is the mass gainer built for champions.

2. FAQ

Is this suitable as a meal replacement?
Yes — it contains protein, carbs, fats, vitamins, minerals, amino acids, and creatine.

Does it contain dairy?
Yes — whey, milk protein, and casein are included.

Can beginners use this?
Absolutely — it’s perfect for anyone who struggles to gain weight.

When should I take it?
Post-workout, between meals, or anytime you need high calories.