Whey
by Mutant
A trusted everyday protein: affordable, versatile, and designed to support your training goals with every shake.
- Up to 22g protein per serving
- For shakes, smoothies, baking and more
Best price today
In stock£111.99
£2.47 / 100g
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Transparent protein profile
What's inside
Values per 100g, with the amount in one 37g serving
59g protein
22g per 37g serving
22g carbohydrates
8g per 37g serving
7g fat
2.5g per 37g serving - moderate fat
378 kcal
140 kcal per 37g serving
View full nutritional information
| Nutrient | Per 100g | Per serving (37g) |
|---|---|---|
| Protein | 59.46g | 22g |
| Calories | 378.38 kcal | 140 kcal |
| Carbohydrates | 21.62g | 8g |
| Fat | 6.76g | 2.5g |
Know when to buy
Price history
Lowest price on record, any flavour or size
£1.87/100g (£84.72 for 4.54kg on 26 Jul 2026)
4.54kg · all flavours · price per pack
- Amazon UKlatest £111.99, lowest £88.10, highest £111.99 in the last 90 days
Quick answers
Is this right for you?
Who is it for?
Mutant Whey is designed for gym-goers and strength trainers looking for an affordable, everyday protein source. Whey concentrate suits anyone who wants a solid protein boost without paying a premium for ultra-high purity. It works well as a post-workout shake or a between-meals top-up.
What can you expect?
A well-rounded protein powder that mixes easily and tastes good. Whey concentrate typically delivers 70-80% protein content with a natural, creamy texture. You will get a reliable source of all essential amino acids including BCAAs to support muscle recovery after training. With 59.46g of protein per 100g (around 22g per 37g serving), Mutant Whey sits in a competitive position for a whey concentrate product.
What else do you need to know?
Mutant Whey is a whey concentrate protein powder made by Mutant. It comes in 908g, 2.27kg, 4.54kg sizes. Every price on WheyWise is read from the retailer’s own page and re-checked daily and sorted by cost per 100g, so you can see both the cheapest option and how current it is. All links to Amazon and retailer sites are affiliate links - this is how WheyWise stays free.
Frequently asked questions
Where is the cheapest place to buy Mutant Whey in the UK?
We refresh Mutant Whey pricing daily from Amazon UK and show the fetch time next to every figure. If no verified price is showing above, we do not currently hold one we would stand behind, and the buy button will take you to the live listing to check.
How much protein does Whey contain per 100g?
Whey contains 59.46g of protein per 100g, with 22g per 37g serving. It is a whey concentrate product.
Is Mutant Whey currently in stock?
At the last check, 4 out of 8 tracked variants were in stock. Stock status carries the same fetch time as the price shown above, so check the retailer listing before ordering.
Pick your pack
3 sizes · any flavour · cost per 100g for each
The 4.54kg works out at £2.47 per 100g. The 908g costs £3.39. Same powder, 1.4x the price per gram.
Where to buy in the UK
4.54kg · 2 offers for this selection · sorted by cost per 100g
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