Best Whey Isolat Test 2025

Advertising Disclosure

Last Updated - 26.07.2025

Best Choice

01

BioTechUSA

BioTechUSA Iso Whey Zero Gluten-, Sugar-Free, Reduced Lactose, Premium Whey Protein Isolate, 2270 g, Chocolate

Show more
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.

Show more
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.

79,90 €
Value for Money

02

Scitec Nutrition

Scitec Nutrition 100% Whey Isolate, Flavoured Drink Powder with Whey Protein Isolate, L-Glutamine, L-Arginine and with Sweeteners, Sugar Free and Gluten Free, 2 kg, Cookies & Cream

Show more
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.

Show more
Main highlights

Whey protein is one of the most popular protein sources among athletes
The protein contained in 100% whey isolate contributes to the growth and maintenance of muscle mass and normal bone structure* (*scientifically founded and approved by the European Food Safety Authority (EFSA)
Sugar-free**, gluten-free*** (**<0.5 g sugar/100 ml ready-to-drink beverage. ***Gluten free in accordance with European Union regulations.)
No palm oil
Combined with VitarGO! or Supercarb Xpress, the 100% Whey Isolate is perfect as a post workout shake

69,90 €
03

Bulk

Bulk Pure Whey Protein Isolate, Protein Powder, Neutral in Taste, 1 kg, Packaging May Vary.

Show more
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

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 26 g of protein per 30 g serving.
Available in a wide range of different flavours.

39,99 €
04

Premium Body Nutrition

Premium Body Nutrition Whey Isolate Powder 2.27 kg Strawberry, 33 Servings

Show more
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

Suitable for vegetarians.
PBN whey isolate protein powder, 87%+ protein, strawberry flavour, 2.27 kg container.
Made from high-quality ingredients.
Each portion contains 27 g of protein.
Each pack contains 75 portions.

49,33 €
05

edubily nutrition

edubily® Whey Protein Isolate from Irish Pasture Raised - Very Soluble Protein Powder without Carbohydrates & Sugar - Lactose Free - 750 g (Neutral)

Show more
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.

Show more
Main highlights

Neutral taste and free from additives – our neutral whey protein powder contains no other ingredients except soy lecitin, which ensures optimal solubility.
Lactose free without carbohydrates and sugar: the pure protein from whey is almost free from fat and carbohydrates - this makes the protein content of the powder all the higher. It is also lactose-free.
Irish pasture – our happy cows stand on lush green meadows for at least 300 days a year to give only the best milk for our protein powder.
German quality – quality is our top priority. That's why our whey protein powder is only manufactured according to German quality standards.
Easily resealable bag – the bag of our protein powder is equipped with an innovative Velcro fastener and can therefore be easily resealed.

41,95 €
06

Optimum Nutrition

Optimum Nutrition Gold Standard Isolate Protein 1095683 1.00

Show more

22% Off
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.

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.

42,66 € 54,99 €(22% Off off)
07

Alpenpower

AlpenPower Whey Isolate Protein Powder Chocolate 1 kg - 100% Natural Ingredients, No Sweeteners - Grass Feeding - High-Quality Protein Powder Made from Best Alpine Milk

Show more
8.5

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

Premium quality – the highest standards in production and raw material selection guarantee us to be able to offer a native whey protein isolate of the highest quality. Manufactured in Austria to the highest quality standards.
No additives – Our soy-free protein powder is free from artificial additives, sweeteners, dyes and stabilisers. 100% natural ingredients and nothing else.
Natural ingredients – our whey protein isolate uses only exquisite and natural ingredients. Organic cocoa powder provides a natural taste and additional valuable nutrients.
Fitness and health - Alpenpower whey protein isolate is particularly suitable for muscle building and maintenance, but can also be used for diets and muscle definition. The high biological value and the high protein content make it a popular protein shake for athletes.
100% whey protein isolate - Our virgin whey isolate is obtained directly from the best alpine milk (pasture) by means of gentle cross flow microfiltration (CFM), contains hardly any lactose and fat and is therefore particularly well tolerated.

56,90 €
08

Zec+

ZEC + 100% whey insulate. 1000g

Show more
8.4

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

Suitable for everyone: ZEC+ offers low-fat whey powder with 83.4 g of protein per 100 g in many delicious flavours. The protein powder is also poor in lactose and therefore also suitable as a dietary supplement for a conscious diet.
Pure protein powder: The ZEC + whey isolate protein powder is a low-calorie whey protein isolate with the highest protein content and is ideal for building muscle mass or even during a diet.
Muscle growth promotions: Our quick-digestible protein is rich in valuable BCAAs and glutamine and provides your body with important essential amino acids for optimal muscle building or muscle development. Maintains existing muscle mass.
Made in Germany: ZEC+ stands for supplements and sports nutrition to improve performance without compromise. For us, only the quality of our dietary supplements counts and thus our contribution to your success.
Low carbon whey powder: The Whey Isolate is a very low-fat protein powder with almost no carbohydrates. Thus, the protein shake is also perfect for all athletes who are in a diet and need low carb protein.

48,90 €
09

ESN

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

Show more
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.

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.

49,90 €
10

alphavitalis

Whey Protein Powder Isolate, H²O-Optimised, High Protein Content, Sugar-Free, Fat-Free, 1000 g, WPI without Aspartame or Cyclamate

Show more
8.2

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

No additives – Our whey protein powder is the first choice for athletes who value first-class ingredients and effective muscle building. Pure protein powder without preservatives, without the sweeteners aspartame or cyclamate, no soy, gluten and of course vegetarian.
Muscle building – thanks to its high biological value, our whey protein powder is the ideal protein for your muscle building and muscle maintenance after physical stress through fitness, bodybuilding, weight sports. Enjoy the flexible, neutral taste or use flavour drops
Fully activated – alphavitalis Sport offers you the best of milk with this 100% real whey isolate protein – the isolate protein powder is processed by modern technologies to offer you the purest protein powder with the best nutritional values for your fitness goals
Comfortable in a gift and solubility – lumps in protein powder? A no-go! Our whey protein isolate is an instant powder and has been optimised for preparation with water. At the same time the best taste. This whey protein isolate is pleasantly tasty
Amino-acids: Our whey protein isolate powder is rich in good amino acids such as BCAA, EAA (essential amino acids) and also L-glutamine. There is no amino spiking. Performance in every serving - made for your success!

42,99 €