Whey Protein Isolate 90%
by Peak Supps
Pure protein, minimal extras: filtered for maximum protein content with very low fat and carbs per serving.
- Up to 26g protein per serving
- Low fat - under 3g per 100g
- Low carb - suitable for keto and cutting diets
- Extra filtered for reduced lactose
- For shakes, smoothies, baking and more
FlavourUnflavoured
Best price today
In stock£117.99
£3.93 / 100g
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Transparent protein profile
What's inside
Values per 100g, with the amount in one 30g serving
87g protein
26.2g per 30g serving with minimal filler
2g carbohydrates
Extremely low carbs - suitable for keto and low-carb diets
1g fat
0.3g per 30g serving - very lean
360 kcal
108 kcal per 30g serving
View full nutritional information
| Nutrient | Per 100g | Per serving (30g) |
|---|---|---|
| Protein | 87.2g | 26.2g |
| Calories | 360 kcal | 108 kcal |
| Carbohydrates | 2g | 0.6g |
| Fat | 1g | 0.3g |
Know when to buy
Price history
Lowest price on record, any flavour or size
£3.93/100g (£117.99 for 3kg on 17 Sept 2026)
3kg · all flavours · price per pack
- Amazon UKlatest £117.99, lowest £117.99, highest £117.99 in the last 90 days
Quick answers
Is this right for you?
Who is it for?
Peak Supps Whey Protein Isolate 90% is designed for athletes, lean-bulk dieters, and anyone who wants maximum protein with minimal fat and carbs. Whey isolate is also a better option for people with mild lactose sensitivity, since the extra filtration removes most of the lactose.
What can you expect?
A lean, fast-absorbing protein with very low fat and carbohydrate content. Whey isolate goes through extra filtration to deliver 85-95% protein purity, which means more protein per scoop and fewer calories from filler. Expect quick absorption, making it ideal straight after a workout. With 87.2g of protein per 100g (around 26g per 30g serving), Peak Supps Whey Protein Isolate 90% sits at the higher end for a whey isolate product.
What else do you need to know?
Peak Supps Whey Protein Isolate 90% is a whey isolate protein powder made by Peak Supps. It comes in 500g, 3kg 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 Peak Supps Whey Protein Isolate 90% in the UK?
The best price we have verified today is £3.93 per 100g for the 3kg bag, checked 6 Oct 2026. Use the buy button above to go straight to it.
How much protein does Whey Protein Isolate 90% contain per 100g?
Whey Protein Isolate 90% contains 87.2g of protein per 100g, with 26.2g per 30g serving. It is a whey isolate product.
Is Peak Supps Whey Protein Isolate 90% currently in stock?
At the last check, 2 out of 2 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
2 sizes · any flavour · cost per 100g for each
The 3kg works out at £3.93 per 100g. The 500g costs £5.80. Same powder, 1.5x the price per gram.
Where to buy in the UK
3kg · 1 offer for this selection · sorted by cost per 100g
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