Best Protein Isolate 2025

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Last Updated - 26.07.2025

Best Choice

01

Dymatize

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

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9.7

Exceptional

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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.

89,99 €
02

BioTechUSA

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

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9.4

Excellent

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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.

79,90 €
03

Premium Body Nutrition

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

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9.3

Excellent

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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

25,56 €
Value for Money

04

Optimum Nutrition

Optimum Nutrition Gold Standard Isolate Protein 1095683 1.00

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22% Off
9.1

Excellent

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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)
05

Scitec Nutrition

Scitec Nutrition 100% Whey Isolate with Added Extra L-Glutamine, 2 kg, Chocolate

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9.0

Excellent

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The whey proteins from milk are the so-called complete proteins, because they provide the body with all the necessary complete proteins, including the 9 amino acids which the body cannot synthesise and that must be absorbed by food (i.e. histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine)
The 100% whey isolate has even more added ingredients: an ‘amino acid matrix’ which provides extra amino acids, as well as L-leucine, L-glutamine and taurine. L-Glutamine is the most common free amino acid in the human body.
Nutritional proteins are a source of nitrogen and essential amino acids that the body needs for the maintenance and growth of the body tissue. That's why the 100% whey isolate contributes to the maintenance and growth of muscle masses and also to maintain normal bones. (These statements have been approved by the European Food Safety Authority.)
Mix one serving (25 g) daily with 300 ml of water, milk or other liquids. Preferably take it after training
100% whey isolate is an excellent quality protein made exclusively from whey. In general, these whey ‘isolate’ proteins are produced to have a higher proportion of protein than whey ‘concentrate’, which also means the isolate contains less sugar (enclosed lactose) and fat!

69,90 €
06

Optimum Nutrition

ON Gold Standard 100% Isolate for Muscle Support and Repair, High Quality Whey Protein Powder with BCAA Amino Acids, Low Sugar, Low Fat, Sports Nutrition, Flavour: Chocolate, 15 Servings, 450g

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8.9

Very Good

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Main highlights

Rich in BCAA: 5.5 g of naturally occurring BCAA (branched chain amino acids) help to reach your full potential before and after training
RICH IN PROTEINS: 25g fast absorbing whey protein isolate per serving help support muscle growth and muscle retention
Premium whey protein isolate: the Gold Standard 100% Isolate from Optimum Nutrition is an ultra-filtered whey protein isolate designed to support and regenerate the muscles
Low in fats and sugars: each serving contains only 0.4 g fat, 0.3 g sugar and 1.3 g carbohydrates and thus stays on the healthy side
EASY TO PREPARE CHOCOLATE POWDER Mix a measuring spoon (30g) with 200ml of water in an ON shaker for a delicious protein shake at any time.

22,99 €
07

ESN

ESN Isoclear Whey Isolate, Peach Iced Tea, 908 g, Clear Whey

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8.7

Very Good

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Main highlights

Refreshing taste experience: fruity, light and refreshing. The Clear Whey becomes clear and pure after mixing like a wonderful soft drink. A really good alternative to a standard creamy protein shake
Perfect for diet phases: Really refreshing. With almost 0% sugar and 0% fat, but a very high protein content, the Isoclear is ideal for successful weight management
Made in Germany: The ESN Isoclear Whey Isolate is manufactured by in-house production with regular (internal and external) laboratory controls in Germany
Innovative protein powder: The patented Isoclear Whey Isolate is very easily digestible, gently produced and therefore intact and biologically highly available. The amino acid profile with 48.9% EAAs and 22.7% BCAAs is excellent
For your muscles: The up to 25.5 g of protein per serving is proven to contribute to increasing and maintaining muscle mass

49,90 €
08

ESN

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

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8.6

Very Good

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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 €
09

Eafit

Eafit Pure Isolate - 750g - Chocolate

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8.5

Good

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Main highlights

Perfect resolution: Pure Isolate dissolves quickly. This eliminates the need for a shaker and ensures a perfectly liquid drink.
Optimal dosage: Pure Isolate contains whey peptides obtained from whey protein hydrolysates.
Leading French brand in the field of pharmacy: Eafit has been a leading French brand in sports nutrition since 1991.
EAFIT -Quality: Pure Isolate has been developed by our nutrition specialists and athletes especially for those who want to achieve an optimal increase in muscle mass with the help of muscle-building proteins.
Anti-doping certification of the French authority for standards: complies with the AFNOR NF V 94-001 standard and the anti-doping guidelines at the time of production of the batch.

26,00 €
10

MaxiNutrition

MaxiNutrition MaxIsolate 100% Whey Protein Isolate Vanilla, 1 kg, Protein Powder with 87% Protein, Low Sugar & Fat, No Artificial Flavours, for a Delicious Protein Shake with Natural Vanilla

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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.

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Main highlights

Maximum solubility: thanks to our in-house research and development teams, our MaxIsolates are not only delicious and functional, but can be perfectly dissolved in water or milk.
Maximum quality: our MaxIsolates do not contain artificial flavours, added sugar, dyes and palm oil. We only process raw materials of the highest quality and manufacture mainly in our own production.
Maximum function: our MaxIsolate is developed with scientific expertise and contains protein from 100% whey. Each serving (30 g) contains 25 g of protein, which your body needs to maintain and increase muscle mass.
Maximum delicious: whether mixed with water or milk, our MaxIsolate vanilla tastes like an extra creamy vanilla milk sake. The intense vanilla taste comes from natural vanilla extract, real vanilla seeds and natural aroma.
Box contents: 1 kg bag of 100% MaxIsolate vanilla, suitable for 33 low carb and low fat vanilla shakes. Includes B6 vitamin for normal protein and glycogen metabolism.

32,56 €