Mass gain supplements play a key role in bulking regimes, especially for those aiming to increase lean muscle and overall size. This guide reviews five well-regarded mass gainers from reputable brands available to UK readers, highlighting protein content, calories, and practical usage. Each product section provides concise, factual details to help you compare options and choose what best fits your training goals and diet.
| Product | Brand | Approx. Calories Per Serving | Protein Per Serving | Notes |
|---|---|---|---|---|
| SCI-MX Total Mass (Banoffee) | SCI-MX | ~477 | ~32 g | Advanced mass gain for UK markets |
| SCI-MX Total Mass (Strawberry) | SCI-MX | ~478 | ~31 g | Strawberry flavour, convenient 875 g |
| USN Hyperbolic Mass (Dutch Chocolate) | USN | Up to 1183 | High (varies by serving) | Strong calorie profile, popular bulk option |
| The Bulk Protein Company Serious Gainz | The Bulk Protein Company | 468 | 30 g | Protein isolate with bulk carbs |
| Warrior Mass Protein Powder | Warrior | 1000+ (per shake) | 61 g | High protein and calories for serious gains |
Note: Values can vary by flavour and serving size. Always check current product labels for exact nutrition details and recommended daily intake.
SCI-MX Total Mass Banoffee
SCI-MX Total Mass Banoffee is designed to fuel muscle growth and weight gain through a robust protein blend and a high-calorie profile. Each serving provides around 32 g of protein and roughly 477 calories, supporting both muscle repair and energy replenishment after demanding workouts. The product combines whey protein concentrate and soy protein isolate to optimise absorption and amino acid delivery. It is formulated to assist with lean mass gain when used in conjunction with a well-rounded training plan and adequate daily calories. Typical usage involves mixing three level scoops (125 g) with 400 ml of cold water, 2 servings per day maximum. The formula includes maltodextrin for energy and digestive enzymes to support digestion. This mass gainer is positioned as a practical option for athletes and gym-goers seeking noticeable size increases without excessive complexity in preparation.
SCI-MX Total Mass Banoffee (2kg)
This 2 kg option mirrors the Banoffee formulation with a focus on high-protein intake and energy provision, suitable for ongoing bulking cycles. The product emphasises rapid protein absorption and sustained energy through carbohydrates, aiming to support workouts and recovery. The mass gainer’s directions reiterate three scoops per serving and up to two servings per day, reinforcing a controlled approach to calorie surplus. As with all supplements, it should complement a varied diet rich in whole foods and adequate hydration.
SCI-MX Total Mass Strawberry
The Strawberry variant of SCI-MX Total Mass delivers a similar protein-to-calorie ratio, with 31 g of protein per serving and around 478 calories. This flavour alternative maintains the same two-protein blend (whey concentrate and soy isolate) to support rapid amino acid delivery alongside steady energy provision. The recommended preparation is the same: mix three level scoops with 400 ml of cold water and limit to two servings per day. The formulation is designed for consistency across flavour choices, enabling athletes to rotate flavours without sacrificing macro targets.
USN Hyperbolic Mass Dutch Chocolate 6kg
USN Hyperbolic Mass Dutch Chocolate 6kg is a high-calorie mass gainer designed for individuals seeking significant bulk and strength gains. The product emphasizes a calorie-dense profile, with up to 1183 calories per serving in some configurations, making it suitable for those who struggle to maintain a positive energy balance. The improved flavour formulation uses natural cocoa for a smoother taste while delivering a robust blend intended to support muscle growth alongside resistance training. The formulation highlights ease of mixing and a palatable chocolate flavour, catering to those who prioritise taste without compromising on mass-building benefits.
USN Hyperbolic Mass Dutch Chocolate 2kg
This 2 kg option shares the same core attributes as its larger counterpart, offering a high-calorie, high-protein formula designed to support muscle growth and weight gain. It is engineered for quick mixing and convenient preparation, ideal for individuals who require a compact, portable mass gainer for daily use. The Dutch Chocolate flavour continues to be highlighted for its broad appeal, with the marketing emphasis on taste alongside a substantial caloric provision to help meet bulk targets when combined with a strength training routine.
The Bulk Protein Company Serious Gainz
The Bulk Protein Company Serious Gainz focuses on delivering 30 g of protein per serving through a protein isolate blend, combined with lean calories to support mass gain. This formulation is pitched for bulking phases where protein quality and uptake are essential for repairing micro-tears and building muscle tissue after intense workouts. The product is positioned as a simple, versatile shake that can be enjoyed with water or milk and integrated into smoothies, oats, or pancake mixes. With 468 calories per serving, it provides a controlled energy surplus to support gradual mass gain without excessive fat accumulation.
Warrior Mass Protein Powder
Warrior Mass is a high-calorie, high-protein mass gainer designed for athletes seeking significant gains in muscle and mass. Each shake offers over 1000 calories and 61 g of protein, supporting both energy needs and muscle repair. The product is available in multiple flavours (including Salted Caramel, Strawberry Crème, and others), catering to taste preferences while maintaining a strong nutrient profile. This option is particularly suitable for athletes involved in heavy training cycles who require a concentrated nutrient source to meet elevated energy and protein demands.
Buying Guide: Key Considerations And Comparisons
Purpose and caloric needs: Choose a mass gainer with a calorie per serving that matches your daily surplus goals. Higher-calorie formulas help if you struggle to eat enough; lighter options may suit those who already meet calories through meals and wish to add protein and carbs without excessive sugar.
Macronutrient balance: Look for a balanced mix of high-quality protein (preferably a blend of whey concentrate and isolate) and carbohydrates. A small amount of fat can also contribute to total calories, but the emphasis should be on protein for muscle repair and growth.
Protein quality and absorption: Prefer products with quickly absorbed proteins to maximise muscle protein synthesis after training. Enzymatic blends can aid digestion, particularly for those who experience GI discomfort with high-protein drinks.
Flavour and mixability: Mass gain shakes should be easy to mix and pleasant to drink. Consider flavours you enjoy and check for additives or sweeteners that align with your dietary preferences. Novice users often start with chocolate or vanilla for versatility in recipes.
Usage strategy: Most mass gainers advise 1–2 servings per day, typically post-workout and/or between meals. Align this with your training schedule and total daily protein and carbohydrate targets to optimise gains without unnecessary fat gain.
Dietary restrictions: If you have allergies or intolerances, review the ingredients for dairy, soy, gluten, or other potential triggers. Some formulas use whey concentrate, while others include soy isolates or alternative protein sources.
Cost and value: Compare price per serving rather than price per tub. Large tubs can offer better value but ensure your chosen product aligns with your taste preferences and nutritional goals to maximise adherence.
Brand reliability and freshness: Choose products from reputable brands with clear nutrition labels and transparent ingredients. Check for third-party testing or certifications if available, and store properly to maintain freshness and effectiveness.