About
Nutrition Facts
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What it is: From the family who brought you Optimum Nutrition, R1 Casein is their newest and best tasting Casein Protein yet! You can help your body re-build muscle overnight with this amazing formula from Rule One.
How it works: The most important rebuilding process for your muscles occurs at night and casein is a particular protein that allows your body to digest it all throughout the night. Having one scoop of Casein a night is filled with 25g of protein that will protect your muscles all throughout the night! This formula will add BCAAs and Glutamine as well for even better recovery.
Use: R1 Casein is a slower digesting protein R1 Casein works well between meals and at bedtime when more sustained amino acid delivery is desired.
Nutrition Facts

Nutrition Facts
2 Lbs. / Chocolate Fudge
1 Scoop
28
ALLERGEN INFORMATION Contains Milk, Soy and Wheat.
2 Lbs. / Vanilla Creme
1 Scoop
28
ALLERGEN INFORMATION Contains Milk, Soy and Wheat.
2 Lbs. / Lightly Salted Caramel
1 Scoop
28
ALLERGEN INFORMATION Contains Milk, Soy and Wheat.
2 Lbs. / Cookie Delight
1 Scoop
28
ALLERGEN INFORMATION Contains Milk, Soy and Wheat.
4.1 Lbs. / Chocolate Fudge
1 Scoop
55
ALLERGEN INFORMATION Contains Milk, Soy and Wheat.
4.1 Lbs. / Vanilla Creme
1 Scoop
55
ALLERGEN INFORMATION Contains Milk, Soy and Wheat.
4.1 Lbs. / Strawberries & Cream
1 Scoop
55
ALLERGEN INFORMATION Contains Milk, Soy and Wheat.
4.1 Lbs. / Lightly Salted Caramel
1 Scoop
55
ALLERGEN INFORMATION Contains Milk, Soy and Wheat.
Mix one heaping scoop if R1 Casein™ with approx. 10-12 of water, milk or your favorite beverage in a shaker cup or glass with a spoon.