Best Mutant Whey Protein Powders of 2026

Phoebe Cooper Avatar
Phoebe Cooper
Last Updated: 6 Feb 2026

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Whey protein powders are a popular dietary supplement for athletes and fitness enthusiasts. Mutant is a brand that offers a range of whey protein powders to suit different needs and preferences. These powders are designed to provide high-quality protein to support muscle growth and recovery after exercise. With a variety of flavours available, Mutant's whey protein powders are a convenient and tasty way to supplement your daily protein intake. Whether you're looking to build muscle or simply maintain a healthy diet, Mutant's whey protein powders can be a helpful addition to your routine.

At a Glance: Our Top Picks

Mutant Mass Extreme Gainer Whey Protein Powder Cover #TOP 1
Mutant Mass Extreme Gainer Whey Protein Powder
ftb score rating icon 9.8
MUTANT Mass Weight Gainer Protein Powder 6.8 Kg Triple Chocolate Cover #TOP 2
MUTANT Mass Weight Gainer Protein Powder 6.8 Kg Triple Chocolate
ftb score rating icon 9.7
MUTANT Madness Pre Workout Powder with Performance Blend Cover #TOP 3
MUTANT Madness Pre Workout Powder with Performance Blend
ftb score rating icon 9.5

Top 5 Mutant Whey Protein Powders

#TOP 1

Mutant Mass Extreme Gainer Whey Protein Powder

FID73207
2.72 kg (Pack of 1)
Mutant Mass Extreme Gainer Whey Protein Powder Cover
MUTANT Mass Extreme 2500 | High-Calorie Weight Gainer | Complex Carbs, BCAAs & Glutamine | Hardcore Muscle Mass Shake | 2720g | Vanilla Ice Cream

Mutant Mass Gainer is designed for individuals who struggle to gain weight and build muscle. Each serving provides an impressive 1,270 calories when mixed with milk, making it an excellent choice for serious hard gainers. With 46 grams of pure whey protein per serving, it supports muscle growth effectively after intense training sessions. Additionally, it is crafted from natural whole foods, including barley and sweet potato, ensuring you get clean calories without unnecessary additives.

What We Like
High-calorie content
Supports muscle growth
Natural ingredients
Great taste
#TOP 2

MUTANT Mass Weight Gainer Protein Powder 6.8 Kg Triple Chocolate

637041
Triple Chocolate
6.8 kg (Pack of 1)
MUTANT Mass Weight Gainer Protein Powder 6.8 Kg Triple Chocolate Cover
MUTANT Mass Weight Gainer Protein Powder with a Whey Isolate, Concentrate, and Casein Protein Blend, for High-Calorie Workout Shakes, Smoothies and Drinks, 6.8 Kg (15 lb) - Triple Chocolate

The MUTANT Mass Weight Gainer is a powerful supplement designed to support your muscle building and weight gain goals. With over 1,100 specially engineered calories per serving and 52% less sugar than before, it helps you gain bulk without unnecessary sugar intake. It contains 36 grams of essential amino acids, including BCAAs and glutamine, which assist muscle recovery and growth. You also get 56 grams of high-quality protein to repair body tissue and support your immune system. Additionally, the gainer provides 192 grams of clean carbohydrates from whole-food sources like barley starch and sweet potato, giving you sustained energy for your workouts.

What We Like
High calorie content per serving
Reduced sugar formula
Rich in essential amino acids
Contains a blend of quality proteins
Includes clean, complex carbohydrates
#TOP 3

MUTANT Madness Pre Workout Powder with Performance Blend

P30018
Roadside Lemonade
30 servings (225 g)
MUTANT Madness Pre Workout Powder with Performance Blend Cover
MUTANT Madness | Pre Workout Powder Supplement Performance and Pump Blend Includes L-Citrulline, Beta-Alanine, Taurine, L-Tyrosine | 30 Serving | Roadside Lemonade

MUTANT Madness is a powerful pre-workout powder designed to elevate your performance. With 515 mg of caffeine, it provides a significant energy boost to help you power through intense workouts. The 4000 mg Performance & Pump Blend, which includes L-Citrulline and Beta-Alanine, enhances your endurance and maximises your workout potential. Additionally, the inclusion of essential vitamins and electrolytes ensures you stay hydrated and energised. Plus, its ridiculously delicious Roadside Lemonade flavour makes it easy to mix and enjoyable to consume.

What We Like
High caffeine for energy boost
Maximises workout performance
Includes essential vitamins
Delicious flavour
Easy to mix
#TOP 4

MUTANT Mass Muscle Gainer 1100 Calories

637058
Biscuits and Cream
6.8 kg (Pack of 1)
MUTANT Mass Muscle Gainer 1100 Calories Cover
MUTANT Mass | Muscle Mass Gainer | 1100 Calories, 56g Protein, Whole Food Carbs, BCAAs, and Glutamine | Ultimate Hardcore Weight Gainer Shake | 6800g | Cookies & Cream

MUTANT Mass Gainer is an excellent choice for anyone looking to build muscle effectively. Each serving provides a remarkable 1,100 calories to support rapid muscle growth and strength gains. The advanced protein formula combines various high-quality proteins, aiding in recovery and promoting lean mass development. You'll appreciate the elite whole-food carb sources, which offer clean and sustained energy, perfect for intense workouts. Additionally, the amino acid support enhances muscle repair and growth, ensuring you recover efficiently after each session.

What We Like
High calorie content
Advanced protein blend
Long-lasting energy source
Amino acid support
Designed for serious athletes
#TOP 5

MUTANT Mass Gainer Shake with 1100 Calories

P32018
6.8 kg (Pack of 1)
MUTANT Mass Gainer Shake with 1100 Calories Cover
MUTANT Mass | Muscle Mass Gainer | 1100 Calories, 56g Protein, Whole Food Carbs, BCAAs, and Glutamine | Ultimate Hardcore Weight Gainer Shake | 6800g | Chocolate Fudge Brownie

The MUTANT Mass Gainer is designed to fuel your muscle growth with 1,100 nutrient-packed calories per serving, helping you build mass quickly. It contains an advanced protein blend including whey protein isolate and micellar casein, which supports recovery and lean muscle development. The shake also provides complex carbohydrates from whole-food sources like sweet potato and rolled oats, giving you steady, long-lasting energy. Additionally, it includes essential amino acids, such as glutamine and BCAAs, to aid muscle repair and growth, making it a great choice for serious athletes.

What We Like
High calorie content for mass gain
Advanced protein blend for recovery
Complex carbs for lasting energy
Includes essential amino acids
Buying Guide Image
Editor's Notes

During our Mutant whey protein powder research, we found 16 Mutant whey protein powder products and shortlisted 5 quality products. We collected and analyzed 34,582 customer reviews through our big data system to write the Mutant whey protein powders list. We found that most customers choose Mutant whey protein powders with an average price of £44.23.

The Mutant whey protein powders are available for purchase. The top 5 picks range in price from a low of £12.00 to a high of £53.00, find the one that fits your budget.

Written by
Phoebe Cooper Avatar

In 2000, Phoebe Cooper graduated from the University of London as a Pharmacist. She practiced as a Pharmacist for the better part of 2 decades. Phoebe says she has worked in the majority of health sectors and has sufficient accumulated knowledge and experience. In her practice, Phoebe published a series of eBooks, one of which is titled "Good Health Good Living."