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Rule 1 R1 Mass Gainer

Rule 1 R1 Mass Gainer

A Product
High Calorie Weight Gainer
  • 40g all-whey protein per serving
  • Over 1,220 calories per serving
  • 9g+ naturally-occurring BCAAs per serving
  • Informed Choice® Certified - Regularly tested for banned substances by the world class sports anti-doping lab, LGC.
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Deals
LIMITED TIME PRICE CUT
LIMITED TIME PRICE CUT
Buy 1 Rule 1 R1 Mass Gainer 11lbs for only $39.99! Limited time only.
Buy 1 Get 1 FREE
Buy 1 Get 1 FREE
Buy 1 Rule 1 R1 Mass Gainer 5.5lbs and get 1 absolutely FREE! Limited time only.
Buying Options
$42.99 42.9900
5.5lbs
8 Servings | $5.37 Per Serving
Buy 1 Get 1 FREE
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$59.99
$39.99 39.9900
11lbs
16 Servings | $2.50 Per Serving
LIMITED TIME PRICE CUT
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Nutrition Info

5.5lbs Chocolate Fudge

Serving Size: 2 Heaping Scoops (325g)
Servings Per Container: 8
Amount Per Serving
Amt
%DV
Calories
1260
Total Fat
8g
10%
Saturated Fat
4g
20%
Cholesterol
160mg
53%
Total Carbohydrate
254g
92%
Dietary Fiber
7g
25%
Total Sugars
14g
Includes 10g Added Sugars
 
20%
Protein
40g
80%
Calcium
360mg
28%
Sodium
350mg
15%
Potassium
1240mg
26%
Creatine Monohydrate
1g
* % Daily Value is based on a 2,000 calorie diet. Your daily values may be higher or lower based on your calorie needs.
† Daily Value (DV) not established.
Ingredients
Carbohydrate Blend (Maltodextrin, Organic Rice Bran, Pea Starch [Carb10™]), Protein Blend (Whey Protein Concentrate, Whey Protein Isolate, Whey Protein Hydrolysate), Cocoa (Processed with Alkali), Natural and Artificial Flavors, Lecithin, Guar Gum, Sucralose, Acesulfame Potassium, Stevia Leaf Extract.
Allergen Warning
Contains: Milk and Soy.

Mix about two heaping scoops of Mass Gainer™ with approx. 20-24oz. of water, milk or your favorite beverage in a shaker cup or glass with spoon. Also great combined with your favorite fruit as a juicy smoothie, or try blending with whole milk & two scoops of ice cream for a calorie dense desert.

KEEP OUT OF REACH OF CHILDREN

Directions
Warnings
Expand Info
Product Information
R1 Mass Gainer high calorie weight gainer

Rule 1 Protein’s High Calorie Weight Gainer

With over 1,220 calories, more than 250g carbohydrates, and 40g protein from three types of whey (per serving), Mass Gainer puts you in charge of transforming to XXL.*

1120 calories, 40g protein, 250g carbs

Calorie-Packed Protein

This formula contains a 6:1 carb-to-protein ratio for a calorie-packed protein to help you pack on desired pounds.*

use for: mass gains, strength training, workout recovery

Anytime Formula

Mass Gainer should be combined with a high-calorie diet and weight training or other high-intensity exercise. Use Mass Gainer in conjunction with the food you normally eat for additional daily calories. Do not use Mass Gainer in place of meals.

Informed Choice banned substance tested

Clean Manufacturing & Quality

Rule 1 Proteins combines clean manufacturing with exceptional quality. R1 Protein is made in FDA-inspected, NSF/GMP-compliant, and Informed-Choice certified facilities in the USA, using premium ingredients and stringent controls to deliver superior products.

R1 Mass Gainer family shot footer
Reviews
Overall Rating
4.6 out of 5 stars
Reviews (114)
Verified Buyers (113)
Review Graph
  • 5 star
    69%

  • 4 star
    24%

  • 3 star
    2%

  • 2 star
    3%

  • 1 star
    2%

Top Rated Flavors
  • Chocolate Fudge (4.7/5 )
  • Chocolate Peanut Butter (4.6/5 )
  • Vanilla Creme (4.6/5 )
  • Strawberries & Creme (4.5/5 )
  • Cookies & Creme (4.4/5 )
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Overall Rating
  • Cookies & Creme
  • Vanilla Creme
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Kevaughan G
Verified Buyer
Good tasting mass gainer protein that mixes easily in water or any beverage of your choice.*
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2025-10-08 11:10:22Z
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Overall Rating
  • Chocolate Fudge
  • Strawberries & Creme
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Gouasmi A
Build Muscle
Verified Buyer
A beautiful and wonderful product. I use all the products from the website and friends like that. Thank you and all the website staff*
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2025-09-24 13:03:28Z
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Overall Rating
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GUEST
Build Muscle
Verified Buyer
Loving the immediate effect of this mass gainer. I literally gained 12 pounds in 60 days which is perfect. Now time to gain more muscles/size! Essential.*
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2025-09-10 13:54:51Z
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  • Chocolate Fudge
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Kevaughan G
Verified Buyer
 Good tasting mass gainer protein that mixes easily in water or any beverage of your choice.  *
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0 of 0 found this helpful
2025-09-05 13:43:19Z
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  • Chocolate Peanut Butter
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Payton K
Verified Buyer
This protein powder tastes great and blends easily. Will purchase again. *
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2025-09-05 13:43:19Z
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  • Vanilla Creme
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Jestan W
Increase Strength
Verified Buyer
Definitely a need if you miss a meal or need need something extra *
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2025-08-19 14:11:05Z
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GUEST
Build Muscle
Verified Buyer
Very filling shake. Thick like a meal replacement. Excellent source.*
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2025-08-15 10:19:13Z
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  • Chocolate Fudge
  • Vanilla Creme
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Kim S
Build Muscle
Verified Buyer
Continues to be my go-to protein powder. I use it daily and love it added to my oatmeal.*
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2025-08-15 10:19:13Z
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  • Chocolate Fudge
  • Vanilla Creme
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W. Scott D
Healthy Lifestyle
Verified Buyer
Love the taste! This is one of my go-to mass gainers. I used this product while I was recovering from cancer treatment and have continued to use it after three years cancer free!*
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2025-08-04 09:34:06Z
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AJAY K
Verified Buyer
Good supplement products my weight gain in 4 weeks i recommend this product*
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2025-06-19 15:50:02Z
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* Muscle & Strength does not imply any medical claims from this review. There are no guarantees of specific results and results may vary.
* 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.

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