Rule 1 Proteins R1 Casein


Size: 2 Pounds

Rule 1 Proteins R1 Casein provides 25 grams of slow-digesting protein per scoop with only 1 gram of sugar and fat! This extended-release, delicious protein is perfect for nighttime use or anytime you need a protein that will last – R1 Casein!

Size: 2 Pounds
  • 25 Grams of Micellar Casein Protein per Serving
  • Includes 5 Grams of BCAAs
  • Slow-Digesting – Great for Nighttime Use
  • Promotes Recovery

When it comes to protein intake and timing, there are two key times where getting adequate protein can be a problem: during the night when you are effectively “fasting” for 8-10 hours, and when you are at work or school, depending on how long your day is and how easy it is to get to a meal or shake. Certainly, this is an issue that many bodybuilders, athletes, and fitness enthusiasts have to deal with – and it’s a serious problem – after all, if you want to recover and build new muscle, there’s no way around the fact that getting enough protein is critical!

So, what’s the solution? R1 Casein by Rule One Proteins! R1 Casein contains 25 grams of slow-digesting micellar casein protein per serving – this extended-release protein stays in your system for 7 full hours – making it perfect for use before bed, or at the start of a long day, no matter what your obligations are!

Get The Protein Your Muscles Need When They Need It with R1 Casein by Rule One Proteins!

Serving Size: 1 Scoop (33 Gram)
Servings Per Container: 28

Amount Per Serving

Calories – 120
Calories from Fat – 10
Total Fat – 1 Gram
Saturated Fat – 0.5 Grams
Trans Fat – 0 Grams
Cholesterol – 15 mg
Sodium – 170 mg
Total Carbohydrate – 2 Grams
Dietary Fiber – 0 Grams
Sugars – 1 Gram
Protein – 25 Grams
Vitamin A – 0%
Vitamin C – 0%
Calcium – 50%
Iron – 0 %

Micellar Casein, Natural and Artificial Flavors, Inulin, Gum Blend (Xanthan Gum, Guar Gum, Carrageenan), Lecithin, Acesulfame Potassium, Salt, Sucralose.

Global Disclaimer

Manufacturers continually change product specifications, images, descriptions, ingredients and pricing. While we try our best to keep all product information up to date, it may not reflect the latest information available from the manufacturer. Product packaging may contain different or additional information, including the product description, nutritional facts, ingredients, allergens and other information. Always read labels, warnings, and directions and other information provided with the product before using or consuming a product. Information and statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition. For additional information about a product, please contact the manufacturer. Policies, pricing and item availability are subject to change without notice, and we reserve the right to limit quantities. Prices displayed are subject to final approval at the time of order fulfillment. While we do our best to make sure that all information displayed is accurate, we are not responsible for typographical errors or technical inaccuracies.

Mix 1 scoop with 8oz. cold water or the beverage of your choice. Consume before bed or anytime during the day when you need an extended-release protein. Add ice and mix in a blender for a delicious malt-shop milkshake, or add in your favorite juice, ice, and mix in a blender for a delicious smoothie.


Discuss with your physician before taking if you have a medical condition or are taking any prescription medications. Stop use and discuss with your physician if any negative effects occur. Do not exceed the suggested dose. Do not take if pregnant or lactating. Must be 18 years old to use this product. Keep away from children. Do not use if the seal has been tampered with. Store in a cool, dry place.

Allergen Information: This product was manufactured on equipment that processes products containing soybeans (lecithin), milk, peanut flavor, wheat, shellfish, tree nuts, fish oil, and egg. This product does not contain added creamers.

CALIFORNIA PROP 65 WARNING: Consuming this product can expose you to chemicals including lead, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to

Additional information

Weight 27.2 oz
Dimensions 10 × 6 × 6 in

2 Pounds