Best Casein Im Test 2026

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Last Updated - 27.03.2026

Best Choice

01

Optimum Nutrition

Optimum Nutrition ON 100% Gold Standard Casein Protein, Protein Powder Rich in Essential Amino Acids Complex, BCAA, Chocolate Supreme, 55 servings, 1.82kg, packaging may vary

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29% Off
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

Source: Official Journal of the European Union - COMMISSION REGULATION (EU) No. 432/2012
Packaging may vary - new look with the same trustworthy quality
Ideal as a snack at any time of the day, before bed and between normal meals
Contains 680 mg calcium to support normal muscle function, 0.5 percent fat and has no added sugar
A source of protein for athletes who play a variety of competitive sports
A slow-digesting protein shake provides an extended source of protein for growing and maintaining muscle mass
24 g high-quality micellar casein protein per serving for an effective supply of amino acids overnight

59,99 € 84,99 €(29% Off off)
Value for Money

02

Optimum Nutrition

Optimum Nutrition ON 100% Gold Standard Casein Protein, Protein Powder Rich in Essential Amino Acids Complex, BCAA, Chocolate Supreme, 55 servings, 1.82kg, packaging may vary

Show more

29% Off
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.

Show more
Main highlights

Source: Official Journal of the European Union - COMMISSION REGULATION (EU) No. 432/2012
Packaging may vary - new look with the same trustworthy quality
Ideal as a snack at any time of the day, before bed and between normal meals
Contains 680 mg calcium to support normal muscle function, 0.5 percent fat and has no added sugar
A source of protein for athletes who play a variety of competitive sports
A slow-digesting protein shake provides an extended source of protein for growing and maintaining muscle mass
24 g high-quality micellar casein protein per serving for an effective supply of amino acids overnight

59,99 € 84,99 €(29% Off off)
03

Optimum Nutrition

Optimum Nutrition Gold Standard Casein Protein Powder 1054573 4

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29% Off
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

Source: official Journal of the European Union - EU Regulation No 432/2012.
Ideal as a snack at any time, before going to bed and between regular meals.
Contains 680 mg of calcium to support normal muscle function, 0.5 percent fat and is without added sugar.
A source of protein for athletes performing a range of performance sports.
A slowly digestible protein shake which provides an extended protein source for growth and maintenance of muscle mass.
24 g of high-quality micellar casein protein per serving for effective overnight supply of amino acids.

59,99 € 84,99 €(29% Off off)
04

Optimum Nutrition

Optimum Nutrition Gold Standard Casein Protein Powder 1054573 4

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29% 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.

Show more
Main highlights

Source: official Journal of the European Union - EU Regulation No 432/2012.
Ideal as a snack at any time, before going to bed and between regular meals.
Contains 680 mg of calcium to support normal muscle function, 0.5 percent fat and is without added sugar.
A source of protein for athletes performing a range of performance sports.
A slowly digestible protein shake which provides an extended protein source for growth and maintenance of muscle mass.
24 g of high-quality micellar casein protein per serving for effective overnight supply of amino acids.

59,99 € 84,99 €(29% Off off)
05

Optimum Nutrition

Optimum Nutrition ON 100% Gold Standard Casein Protein, protein powder rich in essential amino acid complex, BCAA, Chocolate Supreme, 27 servings, 0.9 kg

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17% 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

Source: official Journal of the European Union - EU Regulation No 432/2012.
Ideal as a snack at any time, before going to bed and between regular meals.
Contains 680 mg of calcium to support normal muscle function, 0.5 percent fat and is without added sugar.
A source of protein for athletes performing a range of performance sports.
A slowly digestible protein shake which provides an extended protein source for growth and maintenance of muscle mass.
24 g of high-quality micellar casein protein per serving for effective overnight supply of amino acids.

39,99 € 47,99 €(17% Off off)
06

Optimum Nutrition

Optimum Nutrition ON 100% Gold Standard Casein Protein, protein powder rich in essential amino acid complex, BCAA, Chocolate Supreme, 27 servings, 0.9 kg

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17% 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

Source: official Journal of the European Union - EU Regulation No 432/2012.
Ideal as a snack at any time, before going to bed and between regular meals.
Contains 680 mg of calcium to support normal muscle function, 0.5 percent fat and is without added sugar.
A source of protein for athletes performing a range of performance sports.
A slowly digestible protein shake which provides an extended protein source for growth and maintenance of muscle mass.
24 g of high-quality micellar casein protein per serving for effective overnight supply of amino acids.

39,99 € 47,99 €(17% Off off)
07

Optimum Nutrition

Optimum Nutrition Gold Standard Casein Protein Powder 1031649 White 2

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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

Source: official Journal of the European Union - EU Regulation No 432/2012.
Ideal as a snack at any time, before going to bed and between regular meals.
Contains 680 mg of calcium to support normal muscle function, 0.5 percent fat and is without added sugar.
A source of protein for athletes performing a range of performance sports.
A slowly digestible protein shake which provides an extended protein source for growth and maintenance of muscle mass.
24 g of high-quality micellar casein protein per serving for effective overnight supply of amino acids.

44,93 €
08

Optimum Nutrition

Optimum Nutrition Gold Standard Casein Protein Powder 1031649 White 2

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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.

Show more
Main highlights

Source: official Journal of the European Union - EU Regulation No 432/2012.
Ideal as a snack at any time, before going to bed and between regular meals.
Contains 680 mg of calcium to support normal muscle function, 0.5 percent fat and is without added sugar.
A source of protein for athletes performing a range of performance sports.
A slowly digestible protein shake which provides an extended protein source for growth and maintenance of muscle mass.
24 g of high-quality micellar casein protein per serving for effective overnight supply of amino acids.

44,93 €
09

Optimum Nutrition

Optimum Nutrition Gold Standard 100% Casein Protein Powder, Strawberry Flavour, 1.82 kg, 55 Servings

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29% 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

This protein powder contains 10 g of naturally occurring essential amino acids with little sugar in each serving
The ready to mix powder provides a source of slow degrading protein to support muscle growth and repair*
Slow degrading protein powder, enriched with zinc for a healthy immune system and magnesium to support normal protein synthesis
Each serving contains 24 g of premium micellar casein protein, which provides your body with a slow and even flow of amino acids overnight
A protein source for athletes and fitness enthusiasts; to enjoy, add 1 heaped measuring spoon to 300 ml of cold water and stir, shake or mix until dissolved
*Protein contributes to the growth and maintenance of muscle mass. It should be used as part of a varied and balanced diet as well as a healthy lifestyle. Source: Official Journal of the European Union - COMMISSION REGULATION (EU) No 432/2012

59,99 € 84,99 €(29% Off off)
10

Optimum Nutrition

Optimum Nutrition Gold Standard 100% Casein Protein Powder, Strawberry Flavour, 1.82 kg, 55 Servings

Show more

29% Off
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.

Show more
Main highlights

This protein powder contains 10 g of naturally occurring essential amino acids with little sugar in each serving
The ready to mix powder provides a source of slow degrading protein to support muscle growth and repair*
Slow degrading protein powder, enriched with zinc for a healthy immune system and magnesium to support normal protein synthesis
Each serving contains 24 g of premium micellar casein protein, which provides your body with a slow and even flow of amino acids overnight
A protein source for athletes and fitness enthusiasts; to enjoy, add 1 heaped measuring spoon to 300 ml of cold water and stir, shake or mix until dissolved
*Protein contributes to the growth and maintenance of muscle mass. It should be used as part of a varied and balanced diet as well as a healthy lifestyle. Source: Official Journal of the European Union - COMMISSION REGULATION (EU) No 432/2012

59,99 € 84,99 €(29% Off off)