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Gold Standard 100% Casein

Optimum Nutrition
  • 24g of high quality slow digesting micellar casein
  • Supports the growth and maintenance of muscle
  • Low in sugar and fat

Product Overview

Low sugar Low sugar
Low fat Low fat

Premium micellar casein protein powder

Optimum Nutrition’s premium high-quality micellar casein powder is packed with 24g of slow digesting protein per serving, specially designed to help grow and maintain muscle mass. Enjoy before bed to help reach your fitness goals or achieve the perfect body tone and shape. Gold Standard 100% Casein also has an added enzyme complex and comes in a range of tub sizes and flavours, depending on your needs.

High quality protein best consumed before bed

Micellar casein protein is the industry gold standard, slow-digesting protein that contains all nine essential amino acids. Casein works best during periods of long duration between protein intake, either before bed and during the day, when you may not eat for a prolonged period of time. To top it off, Optimum Nutrition Gold Standard 100% Casein is low in both sugar and fat.

Create your own tasty high-protein deserts

Gold Standard 100% Casein is available in a range of tub sizes depending on your needs. With a slightly thicker texture than whey protein, casein still tastes great and is the ideal protein to use in your own cooking - especially when making tasty, high-protein desserts!


  • Great taste and mixability

  • Added enzyme complex
  • Ideal for use between meals or before bed

Suggested Use

Mix one large scoop (32g) to 200-400ml of water or milk before bed. Or test your cooking skills and make some tasty high-protein pre-bed treats.

Nutritional Information

Nutritional information will be shown when a flavour and/or size is selected.

Customer Reviews

Overall Rating (4.6)
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Au top

Review by Abderrahmane on Feb 2, 2023
Verified purchase
Franchement au top bon goût et bonne assimilation
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Excellent snack avant de dormir !!

Review by Patrick - Coach certifié en nutrition on Dec 21, 2022
Produit de qualité. Très bon goût (extrême chocolat). Idéal en encas avant de dormir, pour bénéficier d'une bonne source de protéines à assimilation lente durant toute la nuit. Je recommande.
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Review by Hicham on Nov 19, 2022
Prefect casein
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Chocoladesmaak viel wat tegen voor mij

Review by Hormiga on Oct 25, 2022
Ik schrok wat van de dikheid, maar dat is blijkbaar normaal voor Caseine. Was echter niet zo'n fan van de smaak (choclate supreme), ben een chocoladefan, maar dit is geen chocoladesmaak imo.
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Review by Michel on Oct 12, 2022
Doet precies wat het moet doen,
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On Casein is the best

Review by Hassanov on Sep 30, 2022
This product is so solid. Has Zinc and Magnesium which is helpful at night. Highly recommend. The taste is creamy and delicious.
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Goede aanvulling

Review by Jill on Aug 6, 2022
chocolate smaak voor mij is een aanrader! En als ik in de avond hard heb getraind, neem ik een schepje hiervan voor dat ik ga slapen.
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Creamy Vanilla

Review by dave on Jul 13, 2022
Verified purchase
Niet te vreten de Creamy Vanilla. De smaak is gewoon chemisch en het kleurtje ook al vies geel. De reuk ook.
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Goed effect, lekkere smaak

Review by Marcel on Jun 29, 2022
Met chocolate smaak voor mij een aanrader! En als ik in de avond hard heb getraind, neem ik een schepje hiervan voor dat ik ga slapen.
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Great product

Review by Massimo on Jun 10, 2022
perfect before going to sleep, chocolate taste is super delicious
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