Gold Standard 100% Isolate
by Optimum Nutrition
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
Best price today
In stockOptimum Nutrition
Authorised Retailer
Cheapest today · 930g · Supplement Doses
£44.99
£4.84 / 100g
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Price checked this weekCompared across 1 retailer
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Nutritional profile
What's inside
Values per 100g
87g protein
26g per 30g serving with minimal filler
1g carbohydrates
Extremely low carbs — suitable for keto and low-carb diets

0g fat
0.1g per 30g serving — very lean
363 kcal
109 kcal per 30g serving
87g protein
26g per 30g serving with minimal filler
1g carbohydrates
Extremely low carbs — suitable for keto and low-carb diets
0g fat
0.1g per 30g serving — very lean
363 kcal
109 kcal per 30g serving

Frequently asked questions
Where is the cheapest place to buy Optimum Nutrition Gold Standard 100% Isolate in the UK?
Based on today's prices, Optimum Nutrition is the cheapest at £4.84 per 100g for the 930g bag. WheyWise checks prices weekly across 1 UK retailer stocking this product.
How much protein does Gold Standard 100% Isolate contain per 100g?
Gold Standard 100% Isolate contains 86.7g of protein per 100g, with 26g per 30g serving. It is a whey isolate product.
Is Optimum Nutrition Gold Standard 100% Isolate currently in stock?
As of today, 1 out of 1 tracked variants is in stock. Stock status is updated weekly.


