Same-day dispatch before 1pm · Free UK delivery over £100
Mutant Mass Extreme 2500
Mutant Mass Extreme 2500 is Mutant’s most calorie-packed gainer, made for hard gainers who struggle to grow no matter how much they eat. It delivers carbohydrate and protein in a rich shake, in 3 flavours and 3 sizes up to a massive 9.07kg bag.
Description
Mutant Mass Extreme 2500 – Extreme-Calorie Weight Gainer
Mutant Mass Extreme 2500 is an extreme-calorie weight gainer from Canadian brand Mutant, designed for people with very high energy needs. It takes the Mutant Mass concept further, combining carbohydrate and protein in a dense, great-tasting shake. If you have a fast metabolism, a heavy training schedule or a physically demanding job, it gives you a practical way to hit big calorie targets without endless meals.
Key Benefits
- Muscle growth – protein contributes to a growth in muscle mass.
- Extreme calorie support – built for the hardest of hard gainers.
- Classic flavours – Cookies & Cream, Triple Chocolate and Vanilla Ice Cream.
- Three sizes – 2720g, 5450g or 9070g to match your bulking plans.
- Filling shake – an easy way to add calories when food alone isn’t enough.
Who Is It For?
Built for hard gainers, heavyweight strength athletes, rugby forwards and people with very active jobs who find it tough to eat enough. Smaller or less active users may prefer to take half servings.
Flavours & Sizes
Mutant Mass Extreme 2500 comes in Cookies & Cream, Triple Chocolate and Vanilla Ice Cream, in 2720g, 5450g or 9070g.
FAQs
Is it too many calories for me?
It is designed for very high calorie needs. You can take half servings or split shakes across the day to suit your target.
How is it different from regular Mutant Mass?
Mass Extreme 2500 is designed to deliver more calories per serving than standard Mutant Mass. Check the labels to compare.
Why Shop With Lotty8 Supps?
- Genuine, factory-sealed products – sourced through established UK sports-nutrition wholesale distribution. Never repackaged, never grey-market.
- Fast dispatch – orders placed before 1pm on a working day are dispatched the same day with Royal Mail Tracked 48.
- Low-cost UK delivery – £3.99 per order, free on orders over £100. See our Delivery & Returns page.
- Hassle-free returns – full details on our Delivery & Returns page.
- Top brands in one place – Applied Nutrition, BioTechUSA, SciTec, NOW Foods, Doctor’s Best and many more.
- Real people, real help – questions about a product or your order? Contact the Lotty8 team.
Food supplements should not be used as a substitute for a varied, balanced diet and a healthy lifestyle. Do not exceed the recommended daily intake. Keep out of reach of young children. Formulations and packaging can change – always read the label on the product you receive before use.
Mix the serving shown on the label with milk or water using a blender or large shaker. Because servings are very large, most people split them into two or three shakes spread across the day, including one after training.
Always follow the directions on the product label. Do not exceed the recommended daily intake.
- Brand: Mutant
- Product: Mutant Mass Extreme 2500
- Flavours available: Cookies & Cream, Triple Chocolate, Vanilla Ice Cream
- Sizes available: 2720g, 5450g, 9070g
- Country of origin: Canada
Country of origin: Canada
Best before: shown when you choose an option.
Additional information
| Weight | N/A |
|---|---|
| Flavour | Cookies & Cream, Triple Chocolate, Vanilla Ice Cream |
| Size | 2720g, 5450g, 9070g |
| Country of Origin | Canada |












Reviews
There are no reviews yet.