Nighttime & Between Meals Muscle Recovery
24 g Protein - Slow Digesting Premium Micellar Casein Protein
9 g EAAs** - Supports Endurance And Recovery
1 g Sugar
Artificially Flavored
100% Protein from Micellar Casein
Protein Powder Drink Mix
Authentic Optimum Nutrition Product
Informed - We Test - You Trust - Choice Regularly Tested For Banned Substances
Excellent Source of Magnesium
Excellent Source of Zinc

Why Gold Standard 100% Casein™?

Packed with 24 grams of slow digesting premium micellar casein protein to support muscle recovery.
A slow digesting protein may be used to support muscle recovery at times you go without food such as while you sleep or between meals.
9 grams of naturally occurring Essential Amino Acids (EAAs) to support muscle recovery.*
Active Lifestyle
Sports Performance
Strength Training

Optimum Nutrition® has been trusted to provide the highest quality in post-workout recovery, pre-workout energy, and on-the-go sports nutrition for over 30 years and in 90+ countries. After careful supplier selection, each ingredient is tested to assure exceptional purity, potency and composition. We hold ourselves to the highest production standards, all so you can unlock your body's full potential.

When taken over time with regular resistance training.
Naturally Occurring Amino Acids
Compared to Whey Protein

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We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

Optimum Nutrition, Gold Standard 100% Casein, Chocolate Supreme, 3.97 Lb (1.8 Kg)

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