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Protein Whey Isolate Comparison - October 2025

7 Best Protein Whey Isolate In the UK

1
Best Choice
9.9Exceptional
2
Best Value
9.8Exceptional
3
9.6Exceptional
4
9.5Excellent
5
9.4Excellent
6
9.2Excellent
7
8.9Very Good
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Model

Optimum Nutrition Gold Standard 100% Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and BCAA Amino Acids, Unflavoured, 30 Servings, 900 g
Model
Optimum Nutrition ON Gold Standard 100% Isolate Pure Whey Protein, Naturally Occurring BCAAs and Glutamine, Pre and Post Workout, Vanilla Flavour, 31 Servings, 930 g
Model
Bulk Pure Whey Protein Isolate, Protein Powder Shake, Unflavoured, 1 kg, Packaging May Vary
Model
PBN - Premium Body Nutrition - Whey-ISOLATE Protein Powder, 1kg, Chocolate - 33 Servings
Model
Premium Body Nutrition - Whey Isolate Protein Powder, Chocolate - 75 Servings, 2.27 kg (Pack of 1)
Model
Premium Body Nutrition - Whey-ISOLATE Protein Powder, 1kg, Strawberry - 33 Servings
Model
Bulk Natural Pure Whey Protein Isolate, No Artificial Sweetners, Chocolate, 500 g, Packaging May Vary

Brand

Optimum Nutrition
Brand
Optimum Nutrition
Brand
Bulk
Brand
Premium Body Nutrition
Brand
Premium Body Nutrition
Brand
Premium Body Nutrition
Brand
Bulk

Reviews

227,162 reviews
Reviews
7,430 reviews
Reviews
8,812 reviews
Reviews
4,234 reviews
Reviews
2,886 reviews
Reviews
1,160 reviews
Reviews
240 reviews

Features

Worth the money

8.9
Worth the money
8.6
Worth the money
8.6
Worth the money
8.9
Worth the money
8.6
Worth the money
7.9
Worth the money
9.1

Taste

8.9
Taste
8.6
Taste
8.1
Taste
8.1
Taste
8.1
Taste
7.4
Taste
7.7

Tech Specs

product dimensions

15.6 x 15.6 x 24.7 cm 900 g
product dimensions
24.4 x 24.4 x 24.7 cm 930 g
product dimensions
24 x 10 x 26 cm 1 kg
product dimensions
24 x 13 x 30 cm 1 kg
product dimensions
19 x 19 x 25.5 cm 2.27 kg
product dimensions
24 x 13 x 30 cm 1 kg
product dimensions
10 x 22 x 27 cm 500 g

Available On

Available On
Available On
Available On
Available On
Available On
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Our Top 3 Picks

Here are the top 3 recommended products with more information to help you find the right product for you
  • 9.9
    1
    Optimum Nutrition
    30% Off

    Optimum Nutrition Gold Standard 100% Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and BCAA Amino Acids, Unflavoured, 30 Servings, 900 g

    8.9 worth the money
    8.9 Taste

    Why we love it

    Fast absorption supports quick recovery.
    Low in sugar and fat.
    Wide variety of flavors.
  • 9.8
    2
    Optimum Nutrition
    20% Off

    Optimum Nutrition ON Gold Standard 100% Isolate Pure Whey Protein, Naturally Occurring BCAAs and Glutamine, Pre and Post Workout, Vanilla Flavour, 31 Servings, 930 g

    8.6 worth the money
    8.6 Taste

    Why we love it

    High purity whey isolate supports muscle growth.
    Low in sugar and fat, ideal for fitness.
    Versatile for pre and post workout use.
  • 9.6
    3
    Bulk

    Bulk Pure Whey Protein Isolate, Protein Powder Shake, Unflavoured, 1 kg, Packaging May Vary

    8.6 worth the money
    8.1 Taste

    Why we love it

    Premium quality whey protein isolate.
    Low fat content.
    Suitable for vegetarians.

Our ranking system

The TopChoice.co.uk Team selects top-of-the-line items from a wide selection and conducts rigorous evaluations on almost all the products available on the internet. We rank each product based on how well it matches our criteria.We can ensure that the product is well-tested with the help of our expertise, experts, and artificial intelligence technology. TopChoice.co.uk requires consistent care for the products we review, ensuring that our assessments are always accurate and up to date.

Features

Our team of experts analyzes key attributes, capabilities, significance, and many more depending on the type of product to determine its effectiveness.
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Consumer Reviews

We ensure an evaluation of the ratings using references all over the internet for each product. With the help of our AI technology and professional review teams, we give weight to the worth of individual user experiences.
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Popularity

Popularity is an important criterion in choosing a product. Several factors contribute to the popularity of the products on our site, including prestige, relevance, reputation, news, and more.
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Value for money

TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.

When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.