PSN Whey Protein Powder
by Pure Source Nutrition
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 stock2.5kg
£22.99
£0.92 / 100g
Secure retailer checkout
No verified price on record9 in stock
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Nutritional profile
What's inside
Values per 100g
72g protein
21.6g per 30g serving - solid protein content
10g carbohydrates
3g per 30g serving - low carb
5g fat
1.5g per 30g serving - moderate fat
378 kcal
113 kcal per 30g serving
72g protein
21.6g per 30g serving - solid protein content
10g carbohydrates
3g per 30g serving - low carb
5g fat
1.5g per 30g serving - moderate fat
378 kcal
113 kcal per 30g serving
Pick your pack
2 sizes · ranked by cost per 100gThe 2.5kg works out at £0.92 per 100g. The 1kg costs £1.90. Same powder, 2.1x the price per gram.
Frequently asked questions
Where is the cheapest place to buy Pure Source Nutrition PSN Whey Protein Powder in the UK?
The best price we have verified today is £0.92 per 100g for the 2.5kg bag, checked 3 Sept 2026. Use the buy button above to go straight to it.
How much protein does PSN Whey Protein Powder contain per 100g?
PSN Whey Protein Powder contains 72g of protein per 100g, with 21.6g per 30g serving. It is a whey concentrate product.
Is Pure Source Nutrition PSN Whey Protein Powder currently in stock?
At the last check, 9 out of 9 tracked variants were in stock. Stock status carries the same fetch time as the price shown above, so check the retailer listing before ordering.
