Best Iso Whey Test 2026

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Last Updated - 22.07.2026

Best Choice

01

Dymatize

Dymatize ISO 100 Hydrolysed Gourmet Vanilla 2264g – Whey Protein Hydrolysate + Isolate Powder

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9.7

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

With less than 116 calories per serving (mixed with water), the fat and sugar-free protein powder is perfectly adapted to the needs of athletes who pay attention to optimal calorie supply in addition to protein.
The first-class formula of our whey isolate protein powder provides you with 25 g of the highest quality protein per serving, with BCAAs and L-leucine and is even gluten-free and suitable for vegetarians.
Hydrolysis, the whey protein isolate is split into smaller amino acid chains, making it particularly digestible and the perfect choice both after and before training sessions.
Awarded as isolate of the year between 2013 and 2017, our ISO 100 as a premium protein powder meets the highest standards and is the perfect protein intake before and after training.
According to the informed choice, all substances in the Iso Whey Protein powder meet the highest standards – so athletes are protected over product quality, especially during the competition period.

119,99 €
02

Dymatize

Dymatize ISO 100 Hydrolyzed Gourmet Chocolate 2264g – Whey Protein Hydrolysate + Isolate Powder

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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

With less than 116 calories per serving (mixed with water), the fat and sugar-free protein powder is perfectly adapted to the needs of athletes who pay attention to optimal calorie supply in addition to protein.
The first-class formula of our whey isolate protein powder provides you with 25 g of the highest quality protein per serving, with BCAAs and L-leucine and is even gluten-free and suitable for vegetarians.
Hydrolysis, the whey protein isolate is split into smaller amino acid chains, making it particularly digestible and the perfect choice both after and before training sessions.
Awarded as isolate of the year between 2013 and 2017, our ISO 100 as a premium protein powder meets the highest standards and is the perfect protein intake before and after training.
According to the informed choice, all substances in the Iso Whey Protein powder meet the highest standards – so athletes are protected over product quality, especially during the competition period.

119,99 €
03

ESN

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

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9.5

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

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 €
Value for Money

04

BioTechUSA

BioTechUSA Iso Whey Zero, Whey Protein Isolate, Grass-Fed, Enzyme-Free, Sugar- and Gluten-Free, 1816 g, Chocolate

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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.

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Main highlights

Native protein in its purest form: by preserving the whey protein in its native, non-denatured form, Iso Whey Zero offers maximum bioavailability and absorption. This means that your body can use the high-quality protein more efficiently to build and repair muscle, while supporting controlled calorie intake that is essential for achieving fitness goals.
Low lactose, sugar-free and clean formula: Iso Whey Zero contains less lactose and no added sugar and is therefore a clean source of protein. It is also gluten-free, palm oil free and preservative-free, making it a great option for people with dietary sensitivities or special nutritional goals.
Highly modern filtration process: Iso Whey Zero undergoes a unique, multi-stage filtration process at low heat that preserves the integrity of the protein while removing unwanted fats, sugars and bacteria. This process delivers a highly purified protein powder that is not only more effective but also easier to digest, promoting faster recovery and muscle development.
Extracted from the milk of grass-fed cows: our whey protein is derived from the milk of grass-fed cows, which ensures a clean, sustainable and high-quality protein. Grass-fed cows produce milk that is naturally richer in essential nutrients, making them an optimal choice for those looking to support muscle growth and overall well-being.
Enzyme-free technology for purity: unlike many other protein powders, we do not use enzyme treatment to reduce lactose content. Instead, our state-of-the-art filtration technology naturally preserves the purity of the protein and ensures a clean, natural product without unnecessary chemicals or additives.

90,90 €
05

ESN

ESN Designer Whey Protein, Vanilla, 1000 g Pouch

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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.

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Main highlights

Versatile: The Designer Whey is not only suitable as a whey protein shake, but also for baking and cooking.
Quickly absorbed: As one of the world's best whey protein blends, it can be digested very easily.
Made in Germany: In-house production with regular laboratory controls in Germany.
High bio-availability: Thanks to cold processing, all protein fractions and peptide chains remain intact.
Effective combination: The combination of whey concentrate and whey isolate ensures a good amino acid profile.

44,90 €
06

BioTechUSA

BioTechUSA Iso Whey Zero, Whey Protein Isolate, Grass-Fed, Enzyme-Free, Sugar- and Gluten-Free, 908 g, Chocolate

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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.

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Main highlights

Recommended for: 1. Women and men who lead an active lifestyle or even for elite athletes. 2. Those who want to supplement their daily protein intake with a protein drink powder. 3. During pregnancy, especially in the second and third trimester and in the first 6 months of breastfeeding, the body needs an increased intake of protein, making this protein drink powder an excellent choice during these periods.
Native whey insulate: Your performance starts with the ingredients! Our virgin whey isolate is made directly from fresh milk, pasteurised, micro- and ultra-filtered at low temperatures and then powdered in a special drying chamber.
Made in the EU: Our products are manufactured in our own European production facility in a controlled environment from high-quality, carefully selected raw materials. We also guarantee quality through the following standards and protocol systems: ISO 9001 quality management system, ISO 22000 food safety management system, FSSC 22000 food safety management system, HACCP (hazard analysis critical control point), GMP (good manufacturing practice).
High protein content: Iso Whey Zero contains 84% protein. Protein is an essential building block of your body, a nutrient consisting of amino acids produced by the body or absorbed from external sources. It contributes to the maintenance and growth of muscle mass. Regular physical activity, increase in muscle mass, weight loss and ageing increase the need for protein. (Approved by the European Food Safety Authority (EFSA)).
Free from: Sugar: 0.5 g sugar per 100 ml in the ready-to-drink version. Gluten: According to EU regulations. Iso Whey Zero contains no preservatives and is GMO- and aspartame-free.

51,90 €
07

ESN

ESN IsoWhey Hardcore Protein Powder, Chocolate, 2 kg, up to 26 g Protein per Serving, Made in Germany

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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.

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Main highlights

Supply: a 2 kg bag provides you with 66 servings of high-quality whey protein isolate
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, this is the right place! With up to 86 grams of protein per 100 grams of protein powder, your body is well cared for
High bioavailability: 44.7% EAA (Essential Amino Acids) and 21% BCAA (Branched Chain Amino Acids) are naturally bound, are easily metabolised as peptides
German quality product: made in Germany under the strictest quality standards. Free from aspartame
Drink: the protein powder is instant and there are many delicious flavours. Comfortable and quick to prepare in a shaker, an ideal support in sports and in all situations. Simply add 30 g of whey isolate with 200 ml of cold water or low-fat milk to a blender/shaker and mix

89,90 €
08

Bodylab24

Whey Protein Isolate 2 kg Neutral Bodylab24, Protein Powder from Whey Isolate, Whey Protein Powder Can Support Muscle Building, Concentrated Iso-Whey Protein Free from Aspartame

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8.6

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

Very high protein content: Whey isolates have an even higher protein content than conventional whey proteins. With a protein content of up to 89% - the most concentrated protein ever.
Perfect solubility: all of our protein shakes are perfectly soluble in milk and water and can support you in muscle building, as the shake provides your body with valuable whey protein after a hard workout.
No aspartame: free from artificial preservatives and aspartame. In addition, care has been taken to keep the proportion of carbohydrates and fats very low.
For muscles and definition: pure isolate is particularly suitable as a protein source for competition sports and fitness athletes or during an extreme definition phase. It contains hardly any fat, sugar and lactose and has a top amino acid balance.
100% pure whey isolate: Bodylab24 whey protein isolates are made particularly gently from fresh whey.

87,99 €
09

ESN

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

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8.3

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

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

56,90 €