Best Whey Isolat Test 2026

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Last Updated - 03.02.2026

Best Choice

01

ESN

ESN Isoclear Whey Isolate Protein Powder, 1000 g, Strawberry Lime, Protein Lemonade with Fruity Delicious Taste, Clear Whey, Made in Germany

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9.9

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Taste experience: fruity, light and refreshing. Our Iso Whey Protein becomes clear and pure like a wonderful soft drink after mixing. A real alternative to the standard creamy protein shakes such as our designer whey
Protein for your body: with up to 25.5 g of real protein per serving, our Clear Whey supports muscle protein synthesis. You can easily mix it with creatine monohydrate and drink it as a pre or post workout shake
Innovation: the patented Isoclear Whey Isolate is very easy to digest, naturally gentle and therefore intact and biologically highly available. The excellent amino acid profile with 48.9% EAAs and 22.7% BCAAs is outstanding
German quality product: of course manufactured in our in-house German production in the most modern facilities to the highest quality standards
Diet management: Really refreshing – with almost 0% sugar and 0% fat practically energy-free. Plus lots of high-quality protein. This is ideal for effective and successful weight management

52,90 €
02

ESN

ESN Iso Whey Hardcore Protein Powder, Vanilla (Classic), 1000 g

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9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Production: Iso Whey Hardcore is cold gently produced by micro- and ultra-filtration and thus protected from denaturation. This means that valuable fractions such as immunoglobulin and lactoferrin are intact and bioactive. Conclusion: Recommended not only for athletes, but also for healthy life stylists and regular people.
Ideal nutritional values: Very high protein content. Milk fat and lactose are almost filtered out. If you want a lot of high-quality protein and little fat and lactose, you have come to the right place. With 86 grams of protein per 100 grams of protein powder, your body is well provided for
High bioavailability: 44.7% EAA (Essential Amino Acids) and 21% BCAA (Branched-Chain Amino Acids) are naturally bound and easily metabolised as peptides.
German quality product: Made in Germany under the strictest quality specifications. Aspartame free and lacto-vegetarian.
Drink: This is an instant protein powder in many delicious flavours. Convenient and quick to prepare in the shaker, it is an ideal support for sports and in all situations.

49,90 €
03

Optimum Nutrition

Optimum Nutrition Gold Standard Isolate Protein 1095683 1.00

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30% Off
9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Ultra-filtered pure natural product.
83% protein content per serving.
5.5 g naturally occurring Branched-chain amino acids (BCAAs).
4.3 g naturally occurring glutamine.
25 g whey protein per portion.

38,55 € 54,99 €(30% Off off)
Value for Money

04

Optimum Nutrition

Optimum Nutrition Gold Standard Isolate Protein 1095683 1.00

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33% Off
9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Ultra-filtered pure natural product.
83% protein content per serving.
5.5 g naturally occurring Branched-chain amino acids (BCAAs).
4.3 g naturally occurring glutamine.
25 g whey protein per portion.

36,62 € 54,99 €(33% Off off)
05

Optimum Nutrition

Optimum Nutrition Gold Standard Isolate Protein 1095685

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30% Off
9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Ultra-filtered pure natural product.
83% protein content per serving.
5.5 g naturally occurring Branched-chain amino acids (BCAAs).
4.3 g naturally occurring glutamine.
25 g whey protein per portion.

38,55 € 54,99 €(30% Off off)
06

Optimum Nutrition

Optimum Nutrition Gold Standard Isolate Protein 1095685

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30% Off
9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Ultra-filtered pure natural product.
83% protein content per serving.
5.5 g naturally occurring Branched-chain amino acids (BCAAs).
4.3 g naturally occurring glutamine.
25 g whey protein per portion.

38,55 € 54,99 €(30% Off off)
07

ESN

ESN Iso Whey Hardcore Protein Powder, Vanilla (Classic), 1000 g

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Production: Iso Whey Hardcore is cold gently produced by micro- and ultra-filtration and thus protected from denaturation. This means that valuable fractions such as immunoglobulin and lactoferrin are intact and bioactive. Conclusion: Recommended not only for athletes, but also for healthy life stylists and regular people.
Ideal nutritional values: Very high protein content. Milk fat and lactose are almost filtered out. If you want a lot of high-quality protein and little fat and lactose, you have come to the right place. With 86 grams of protein per 100 grams of protein powder, your body is well provided for
High bioavailability: 44.7% EAA (Essential Amino Acids) and 21% BCAA (Branched-Chain Amino Acids) are naturally bound and easily metabolised as peptides.
German quality product: Made in Germany under the strictest quality specifications. Aspartame free and lacto-vegetarian.
Drink: This is an instant protein powder in many delicious flavours. Convenient and quick to prepare in the shaker, it is an ideal support for sports and in all situations.

47,40 €
08

Bulk

Bulk Pure Whey Protein Isolate, Protein Powder, Vanilla, 500 g, Packaging May Vary

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Packaging may vary.
Instantised powder for lump-free mixing, suitable for vegetarians.
Ideal for those who want to increase their protein intake while looking for a healthy, balanced diet.
High-quality whey protein isolate from a leading sports nutrition brand.
Delivers a massive 27 g of protein per 30 g serving, low in carbohydrates, fat and lactose.
Available in a wide range of different flavours.

20,99 €
09

Bulk

Bulk Pure Whey Protein Isolate, Protein Powder, Vanilla, 500 g, Packaging May Vary

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8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Packaging may vary.
Instantised powder for lump-free mixing, suitable for vegetarians.
Ideal for those who want to increase their protein intake while looking for a healthy, balanced diet.
High-quality whey protein isolate from a leading sports nutrition brand.
Delivers a massive 27 g of protein per 30 g serving, low in carbohydrates, fat and lactose.
Available in a wide range of different flavours.

19,94 €
10

Premium Body Nutrition

Premium Body Nutrition Whey Isolate Powder, 1 kg, Strawberry, 75 Servings

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Suitable for vegetarians
PBN Whey Isolate protein powder, 87%+ protein, strawberry flavour, 1 kg bag
Made from high-quality ingredients
Each portion contains 27 g of protein
Each pack contains 33 portions

30,94 €