100% Casein Protein Powder
by Optimum Nutrition
Slow-release recovery: a thick, satisfying shake that feeds your muscles over hours, not minutes.
- Up to 24g protein per serving
- Low fat - under 3g per 100g
- Slow-digesting - ideal before bed
- For shakes, smoothies, baking and more
Best price today
In stock1.82kg · Keto
£88.64
£4.87 / 100g
Secure retailer checkout
No verified price on record36 in stock
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Nutritional profile
What's inside
Values per 100g
74g protein
24.4g per 33g serving - solid protein content
6g carbohydrates
1.9g per 33g serving - low carb
3g fat
0.8g per 33g serving - very lean
350 kcal
116 kcal per 33g serving
74g protein
24.4g per 33g serving - solid protein content
6g carbohydrates
1.9g per 33g serving - low carb
3g fat
0.8g per 33g serving - very lean
350 kcal
116 kcal per 33g serving
Pick your pack
3 sizes · ranked by cost per 100gThe 450g works out at £3.33 per 100g. The 896g costs £4.22. Same powder, 1.3x the price per gram.
Frequently asked questions
Where is the cheapest place to buy Optimum Nutrition 100% Casein Protein Powder in the UK?
We refresh Optimum Nutrition 100% Casein Protein Powder 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 100% Casein Protein Powder contain per 100g?
100% Casein Protein Powder contains 74g of protein per 100g, with 24.4g per 33g serving. It is a casein product.
Is Optimum Nutrition 100% Casein Protein Powder currently in stock?
At the last check, 36 out of 64 tracked variants were in stock. Stock status carries the same fetch time as the price shown above, so check the retailer listing before ordering.
