Gold Standard 100% Whey Protein
by Optimum Nutrition
A trusted everyday protein: affordable, versatile, and designed to support your training goals with every shake.
- Up to 24g protein per serving
- For shakes, smoothies, baking and more
Flavour pictures illustrate the taste, not the powder's colour or ingredients.
Best price today
In stock£170.00
£3.75 / 100g
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Transparent protein profile
What's inside
Values per 100g, with the amount in one 31g serving
76g protein
23.6g per 31g serving - solid protein content
5g carbohydrates
1.6g per 31g serving - low carb
5g fat
1.4g per 31g serving - moderate fat
374 kcal
116 kcal per 31g serving
View full nutritional information
| Nutrient | Per 100g | Per serving (31g) |
|---|---|---|
| Protein | 76g | 23.6g |
| Calories | 374 kcal | 116 kcal |
| Carbohydrates | 5.3g | 1.6g |
| Fat | 4.6g | 1.4g |
Know when to buy
Price history
Lowest price on record, any flavour or size
£3.08/100g (£139.79 for 4.54kg on 14 Jun 2026)
4.53kg · all flavours · price per pack
- Amazon UKlatest £170.00, lowest £170.00, highest £170.00 in the last 90 days
Quick answers
Is this right for you?
Who is it for?
Optimum Nutrition Gold Standard 100% Whey Protein 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 76g of protein per 100g (around 24g per 31g serving), Optimum Nutrition Gold Standard 100% Whey Protein sits in a solid mid-range for a whey concentrate product.
What else do you need to know?
Optimum Nutrition Gold Standard 100% Whey Protein is a whey concentrate protein powder made by Optimum Nutrition. It comes in 300g, 450g, 768g, 900g, 1.62kg, 2.27kg, 4.53kg 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 Optimum Nutrition Gold Standard 100% Whey Protein in the UK?
We refresh Optimum Nutrition Gold Standard 100% Whey Protein 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 Gold Standard 100% Whey Protein contain per 100g?
Gold Standard 100% Whey Protein contains 76g of protein per 100g, with 23.6g per 31g serving. It is a whey concentrate product.
Is Optimum Nutrition Gold Standard 100% Whey Protein currently in stock?
At the last check, 38 out of 40 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
7 sizes · any flavour · cost per 100g for each
The 900g works out at £3.48 per 100g. The 300g costs £7.74. Same powder, 2.2x the price per gram.
Where to buy in the UK
Any flavour · 4.53kg · 4 offers for this selection · sorted by cost per 100g
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