ON Gold Standard 100% Casein 908g


Sometimes slower is better – especially when it comes to the rate of protein digestion. While rapid protein absorption is desirable immediately before or after exercise, delayed release is probably more beneficial throughout the remainder of the day.

Casein proteins are pH sensitive and gel in the acidic environment of the stomach. As a result, it can take more than twice as long for caseins to be broken-down into their amino acid subcomponents than whey and other proteins. Because of their unique time-released qualities, caseins are aptly described as anti-catabolic or muscle-protecting proteins.


Serving Information

  • Container Size: 1818 g
    • Serving Size: 1 Scoop (33 g)
    • Servings Per Container: 55

Nutritional Information Per Serving (based on Chocolate flavour)

  • Energy: 116 kcal
  • Protein: 23.8 g
  • Total Carbohydrates: 3.6 g
    • of which Sugars: 1.6 g
    • of which Fibre: 1 g
  • Fat: 0.7 g
    • of which Saturated: 0.3 g
  • Sodium: 242 mg
  • Salt: 0.605 g

Amino Acid Profile Per Serving

  • Essential Amino Acids (EAAs):
    • Tryptophan: 292 mg
    • Valine: 1609 mg
    • Threonine: 1039 mg
    • Isoleucine: 1312 mg
    • Leucine: 2129 mg
    • Lysine: 1822 mg
    • Phenylalanine: 1144 mg
    • Methionine: 644 mg
  • Conditionally Essential Amino Acids (CAAs):
    • Arginine: 866 mg
    • Cystine: 79 mg
    • Tyrosine: 846 mg
    • Histidine: 688 mg
    • Proline: 2421 mg
    • Glutamine & Precursors: 4950 mg
  • Nonessential Amino Acids (NAAs):
    • Aspartic Acid: 1589 mg
    • Serine: 1396 mg
    • Glycine: 510 mg
    • Alanine: 664 mg


  • Micellar Casein [contains Emulsifier (Soya Lecithin)], Flavour, Salt, Thickeners (Cellulose Gum, Carageenan Gum, Guar Gum), Masking Agent (contains Dextrin, Flavourings), Sweetener (Sucralose, Acesulfame Potassium), Colour (Curcumin), Enzyme Complex (Amylase, Protease, Cellulase, Beta-D-Galactosidase, Lipase)

Recommended Use

  • Using a shaker cup is the easiest and most convenient way to mix up a consistently great casein shake every time.
  • Just add one heaping scoop of Gold Standard 100% Casein to a shaker cup filled with 300-350 ml of your preferred beverage.
  • Cover and shake for 25-30 seconds.


Warnings: Please consult your physician first (especially if you have a medical condition). Do not use if you are pregnant, lactating, under the age of 18. If anxiety, dizziness, headaches, nausea, stomach pain, heart palpitations or depression is a result, lower dosage or discontinue use. Drink at least 8-12 glasses of water per day to ensure adequate hydration. Do not exceed the recommended daily intake. Food supplements should not be used as a substitute for a varied, balanced diet and healthy lifestyle. Keep this product in a cool, dry place out of reach of children.

Additional information


Banana Cream, Chocolate Supreme, Cookies & Cream, Creamy Vanilla, Strawberry Delight


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