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  • Front of a black jar of protein powder with a purple label The flavor is Chocolate Fudge
  • Black protein powder tub with a purple label and chocolate fudge flavor graphic
  • Large black protein powder tub with a purple label and chocolate fudge flavor graphic
  • Large black protein powder tub with a purple label and cookies creme flavor graphic
  • Black protein powder tub with a purple label and chocolate peanut butter flavor graphic
  • Black protein powder tub with a purple label and cookies creme flavor graphic
  • Black protein powder tub with a purple label and strawberries creme flavor graphic
  • Black protein powder tub with a purple label and vanilla creme flavor graphic
  • Large black protein powder tub with a purple label and strawberries creme flavor graphic
  • A black tub of Rule 1 Casein Protein Vanilla Cream flavor with a purple label and black cap
  • Front of black protein powder tub with purple label text RULE 1 CASEIN PROTEIN CHOCOLATE FUDGE 64 2 oz
  • Front of black protein powder tub with purple label text RULE 1 CASEIN PROTEIN VANILLA CREME 32 2 oz
  • Front of black protein powder tub with purple label text RULE 1 CASEIN PROTEIN VANILLA CREME 65 3 oz
  • Front of black protein powder tub with purple label text RULE 1 CASEIN PROTEIN STRAWBERRIES CREME 31 7 oz
  • Front of a black protein powder tub with a purple and white label featuring product details
  • Front of a black protein powder tub with a purple and white label featuring product details
  • Front of a black protein powder tub with a purple and white label featuring product details
  • Black protein powder tub with purple label CASEIN PROTEIN in white text Chocolate Peanut Butter label
  • Front of a black jar of protein powder with a purple label The flavor is Chocolate Fudge
  • Black protein powder tub with a purple label and chocolate fudge flavor graphic
  • Large black protein powder tub with a purple label and chocolate fudge flavor graphic
  • Large black protein powder tub with a purple label and cookies creme flavor graphic
  • Black protein powder tub with a purple label and chocolate peanut butter flavor graphic
  • Black protein powder tub with a purple label and cookies creme flavor graphic
  • Black protein powder tub with a purple label and strawberries creme flavor graphic
  • Black protein powder tub with a purple label and vanilla creme flavor graphic
  • Large black protein powder tub with a purple label and strawberries creme flavor graphic
  • A black tub of Rule 1 Casein Protein Vanilla Cream flavor with a purple label and black cap
  • Front of black protein powder tub with purple label text RULE 1 CASEIN PROTEIN CHOCOLATE FUDGE 64 2 oz

Casein Protein

100% Micellar Casein
$34.99
$34.99 $34.99

We utilize 25g per serving of Micellar Casein in this protein formula, so it keeps working long after you've left the gym. It's slow-release formulation is designed for occasions when you want a protein that takes its time and delivers its amino acids benefits over several hours.


Flavor Chocolate Fudge
APPROX SIZE
Rule One Proteins Casein Protein powder in a black tub with purple accents inside a gym bag with gray shoes

“The perfect late night treat, tastes great, and I feel full and satisfied all night long.”

- Tony


WHAT'S Casein Protein?

Gradual Release

Casein Protein is a complete dairy protein with a thick creamy texture and all nine essential amino acids (EAAs). Compared with other high-quality protein sources, casein is broken down into its amino acid components at a more prolonged rate, which makes it ideal for nighttime use.
WHAT’S IN IT
Overnight Sensation
Satisfy your hunger and overnight nutrition needs with Casein Protein. More slowly utilized by the body, micellar casein proteins gradually deliver amino acids to help feed recovering muscles over several hours. ◆

 

  • 25g protein & 11g of naturally occurring EAAs†
  • 100% protein from micellar casein
  • Extended amino acid delivery
  • Helps feed muscles while you sleep



Informed Choice® Certified. 
Regularly tested for banned substances by the world class sports anti-doping lab, LGC.


 

† Per serving
◆ When used consistently over time and combined with diet and exercise.

Product appearance & nutrition facts may vary slightly depending on packaging.



Warnings
SELECT FLAVOR
Hand holding a black scoop filled with beige protein powder over a black container with more powder

WHEN & HOW TO USE IT

Nighttime

Use Casein Protein before bed to assist muscle repair and recovery overnight while you sleep. Alternatively, consume Casein Protein between meals to help curb hunger and satisfy sweet cravings.◆

Directions: Mix about one scoop of Casein with 10-12 oz. of cold water, milk, or your favorite beverage in a shaker cup. For extra smoothness, blend with ice.

FREQUENTLY BOUGHT TOGETHER

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QUALITY IS RULE 1. SUPERIOR VALUE IS RESULT

As one of few brands who actually makes the advanced formulas we bring to market, Rule 1 Proteins is in a unique position to maintain complete control through every step in the process.

LEARN ABOUT OUR QUALITY
QUALITY IS RULE 1. SUPERIOR VALUE IS RESULT