Zero Diet Whey
by Prozis
A trusted everyday protein: affordable, versatile, and designed to support your training goals with every shake.
- Up to 21g protein per serving
- Low fat - under 3g per 100g
- Low carb - suitable for keto and cutting diets
- For shakes, smoothies, baking and more
Flavour pictures illustrate the taste, not the powder's colour or ingredients.
Best price today
In stock£72.37
£4.82 / 100g
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Transparent protein profile
What's inside
Values per 100g, with the amount in one 21g serving
98g protein
20.6g per 21g serving with minimal filler
2g carbohydrates
Extremely low carbs - suitable for keto and low-carb diets
1g fat
0.1g per 21g serving - very lean
406 kcal
85 kcal per 21g serving
View full nutritional information
| Nutrient | Per 100g | Per serving (21g) |
|---|---|---|
| Protein | 98g | 20.6g |
| Calories | 406.3 kcal | 85 kcal |
| Carbohydrates | 2g | 0.4g |
| Fat | 0.7g | 0.1g |
Know when to buy
Price history
Lowest price on record, any flavour or size
£4.82/100g (£72.37 for 1.5kg on 13 Oct 2026)
1.5kg · all flavours · price per pack
- Prozislatest £72.37 (one check so far)
Quick answers
Is this right for you?
Who is it for?
Prozis Zero Diet 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 98g of protein per 100g (around 21g per 21g serving), Prozis Zero Diet Whey sits at the higher end for a whey concentrate product.
What else do you need to know?
Prozis Zero Diet Whey is a whey concentrate protein powder made by Prozis. It comes in 750g, 1.5kg 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 Prozis Zero Diet Whey in the UK?
The best price we have verified today is £4.82 per 100g for the 1.5kg bag, checked 13 Oct 2026. Use the buy button above to go straight to it.
How much protein does Zero Diet Whey contain per 100g?
Zero Diet Whey contains 98g of protein per 100g, with 20.6g per 21g serving. It is a whey concentrate product.
Is Prozis Zero Diet Whey currently in stock?
At the last check, 10 out of 10 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 · Cappuccino · cost per 100g for each
The 1.5kg works out at £4.82 per 100g. The 750g costs £5.68. Same powder, 1.2x the price per gram.
Where to buy in the UK
Cappuccino · 1.5kg · 1 offer for this selection · sorted by cost per 100g
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