ProzisClear whey
Prozis Clear Whey Isolate
Prices checked . Label checked .
Prozis Clear Whey Isolate costs £1.05 per 25g of protein in the 500g pack (£17.03 at Prozis). That makes it the 8th cheapest of 21 reviewed animal-protein powders with a live price. It is a clear whey with 81g of protein per 100g and 20.25g in a 25g scoop, on the manufacturer's label.
- Best for
- Anyone who finds milky shakes heavy after training and wants a light, fruit-flavoured protein drink.
- Skip if
- You want a creamy shake, or you need a batch-tested product for drug-tested sport.
- Watch out
- A 25g serving gives 20.25g of protein, not 25g, so compare on cost per 25g of protein.
- Protein / 100g
- 81g
- Per 25g scoop
- 20.25g
- Per 25g protein
- £1.05
- 500g pack
- £17.03
Our verdict on Prozis Clear Whey Isolate
Prozis Clear Whey Isolate is a sound pick if you want a light, juice-style protein drink rather than a milkshake. The label gives 81g of protein per 100g and 20.25g in a 25g serving, all from hydrolysed whey isolate, with 1.6g of sugar and no fat. Buyers describe it as light and refreshing. The catch is consistency between flavours: at least one buyer called a flavour "sour water", so start with one other buyers rate.
How the price compares
Prozis Clear Whey Isolate against the 3 reviewed powders nearest to it on type and price, on cost per 25g of protein. Each figure is that product’s best in-stock partner listing, packs of 400g and over.
| Product | Type | Protein / 100g | Per 25g protein |
|---|---|---|---|
| Prozis Clear Whey Isolate | Clear whey | 81g | £1.05 |
| Bulk Clear Whey Isolate | Clear whey | 80g | £1.48 |
| MyProtein Clear Whey Protein | Clear whey | 78g | Not in stock |
| Protein Works Clear Diet Whey Protein - GOLD Innovation | Clear whey | 82g | Not in stock |
Where to buy Prozis Clear Whey Isolate
Live prices from partner retailers, one row per retailer at its best value pack, ordered by cost per 25g of protein. A bigger pack usually costs less per 25g, so compare like for like.
| Retailer | Pack size | Price | Per 25g protein | Go to retailer |
|---|---|---|---|---|
| Prozis | 500g | £17.03 | £1.05 | View deal ↗ |
Sold in 500g. One partner retailer stocks a 400g or larger pack.
Pros and cons
Pros
- 81g of protein per 100g from a single source, hydrolysed whey isolate
- 1.6g of sugar and no fat per 100g
- Buyers describe it as light and refreshing after a workout
- Wide range of fruit and soft-drink flavours
Cons
- Sold only as a 500g bag, so there is no bulk saving
- Flavour quality varies: one buyer described a flavour as "sour water"
- No third-party testing claim found
- Some flavours add phosphoric acid, which not everyone wants in a daily drink
Nutrition and ingredients
From the manufacturer’s published label (Source). A single protein source, hydrolysed whey isolate, made into a thin, fruit-flavoured drink rather than a milkshake. Some flavours add phosphoric acid and an anti-foaming agent.
Mango-Peach panel, which matches what our scraper read from the UK page. Flavours differ slightly: Cherry lists 20.5g of protein per 25g.
| Nutrient | Per 100g | Per 25g |
|---|---|---|
| Protein | 81g | 20.25g |
| Energy | 364 kcal | 91 kcal |
| Carbohydrate | 10g | 2.5g |
| of which sugars | 1.6g | 0.4g |
| Fat | 0g | 0.0g |
| of which saturates | 0g | 0.0g |
| Salt | 0.16g | 0.0g |
- Protein source
- Hydrolysed whey protein isolate (milk), 96%
- Sweeteners
- Sucralose, Steviol glycosides
- Pack sizes
- 500g
- Flavours
- Fruit and soft-drink flavours such as Mango-Peach, Cola, Mojito, Peach Ice Tea and Watermelon.
- Third-party testing
- Informed Sport: no evidence found. Neither Prozis nor any retailer page we read claims Informed Sport or Informed Choice testing, and we found no Prozis listing in the public Informed Sport search. Drug-tested athletes should choose a batch-tested product instead.
- Made by
- Prozis, a Portuguese sports nutrition brand founded in 2007 (PROZIS.COM, S.A., Madeira)We could not confirm which Prozis company is named on UK packs.
What the maker does not publish
- Prozis does not publish saturates separately, though with 0g of fat per 100g there is nothing to declare.
- We could not read a full UK ingredient list for every flavour, so check the bag for acids and colours.
Method: nutrition figures come from the manufacturer label. Cost per 25g of protein is the pack price divided by the grams of protein in the pack, multiplied by 25.
What buyers say
Quoted word for word and linked, so you can read the full review or thread.
Recurring themes
- Buyers who like it call it light and refreshing; the complaints are about individual flavours rather than the drink.
- Across Prozis reviews generally, fast delivery is the most praised point.
“Tried the clear whey and it's really nice.”
“The Clear Whey is light and refreshing, making it perfect after a workout.”
“Product-wise, everything was good except the "Sour Cherry Gummy" Clear Whey.”
Quick answers
How much protein is in Prozis Clear Whey Isolate?
81g per 100g on the label, which is 20.25g of protein in a 25g serving. Cherry lists slightly more, 20.5g per serving.
Is Prozis Clear Whey Isolate good?
Yes, if you want a light fruit-style drink. The label is clean, with 1.6g of sugar and no fat, and buyers call it refreshing. Flavours vary, so start with a popular one.
What is Prozis Clear Whey made from?
Hydrolysed whey protein isolate, 96% of the powder, plus flavourings, colour and the sweeteners sucralose and steviol glycosides.
Is Prozis Clear Whey Isolate third-party tested?
We found no evidence that it is. Prozis does not claim Informed Sport or Informed Choice testing for it.
Is there a Prozis discount code?
Yes. WHEYWISE takes 10% off at prozis.com. Prices on this page are shown before the code.
Alternatives to Prozis Clear Whey Isolate
MyProtein
Clear Whey Protein
The same job from MyProtein, at a different price point.
78g protein / 100g
Bulk
Clear Whey Isolate
The same job from Bulk, at a different price point.
£1.48 / 25g protein
Protein Works
Clear Diet Whey Protein - GOLD Innovation
The same job from Protein Works, at a different price point.
82g protein / 100g
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Label and copy last reviewed 26 October 2026 · Prices last fetched 13 October 2026