SKU: 22322170712

R1 Mass Gainer

$148.45 $164.95
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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14

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For Your Every Summer RSVP, with Code: SUMMER15

Description

R1 Mass GainerR1 Mass Gainer by Rule One Proteins is a high calorie supplement formulated for individuals aiming to increase muscle mass and size. Each serving delivers over 1,220 calories, combining more than 250 grams of carbohydrates with 40 grams of protein sourced from a blend of whey concentrate, isolate, and hydrolysate. This 6: 1 carbohydrate to protein ratio is designed to support rapid weight gain and muscle recovery. The formula is enhanced with

R1 Mass Gainer by Rule One Proteins is a high-calorie supplement formulated for individuals aiming to increase muscle mass and size. Each serving delivers over 1,220 calories, combining more than 250 grams of carbohydrates with 40 grams of protein sourced from a blend of whey concentrate, isolate, and hydrolysate. This 6:1 carbohydrate-to-protein ratio is designed to support rapid weight gain and muscle recovery.

The formula is enhanced with creatine, medium-chain triglycerides (MCTs), and glutamine to further support muscle growth and energy levels. Additionally, it provides 9 grams of naturally occurring branched-chain amino acids (BCAAs) per serving. R1 Mass Gainer is free from creamers, soy protein, and banned substances, and it is Informed Choice® Certified, ensuring it has been tested for prohibited substances by a world-class sports anti-doping lab.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 22322170712

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4.8 ★★★★★
Based on 7 reviews
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Product Reviews
R
Verified Purchase
Rachael Jesse
West Palm Beach, US
★★★★★ 5
So cozy!
Color: White, Size: King, Color: White, Size: King
I absolutely love this comforter! It's very cozy, soft, and fluffy! I bought it for a duvet that I have and it fits it perfectly. It has loops on all four sides to tie a duvet and comforter together, which is really helpful. This comforter is also breathable so it helps me sleep better at night because I'm not getting overheated. The color and appearance is true to the pictures it displayed. It also seems to be quite durable and good quality. I would definitely recommend for anyone needing a new cozy comforter!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
A
Verified Purchase
Amelia Rodriguez
Louisville, US
★★★★★ 5
Must have!
Color: Light Grey, Size: Queen
⭐⭐⭐⭐⭐ This comforter is absolutely amazing! It feels like something you'd find in a luxury hotel—soft, lightweight, airy, and incredibly comfortable. It has quickly become one of the best purchases I've made. The quality exceeded my expectations, and it's perfect for staying cozy without feeling too heavy. My kids love it so much that they're constantly trying to steal it from me! If you're looking for a comfortable, high-quality comforter, I highly recommend this one. You won't be disappointed!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
D
Verified Purchase
Different from what I expected
West Palm Beach, US
★★★★★ 5
Cozy, warm and not heavy
Color: White, Size: Queen
This blanket is great and for a fair price, so fluffy and it’s on the warmer side but not heavy, which is exactly what I wanted!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
P
Verified Purchase
Pamela
Alexandria, US
★★★★★ 5
Best cheap comforter I’ve ever purchased
Color: White, Size: King, Color: White, Size: King
The comforter made of super soft and comfortable! It’s definitely cat approved, my kitty immediately fell asleep on this amazing comforter. It was super cheap. It’s easy to clean and handles bleach great. Fits my duvet cover perfectly.
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Reviewed in the United States on May 6, 2026
K
Verified Purchase
Kyle R.
Grantham, US
★★★★★ 4
Solid Affordable Duvet Insert Comforter
Color: White, Size: Queen
This is a great affordable all-season duvet insert comforter. There are multiple tie downs to attach to the duvet cover, not just the 4 corners. It is soft and washes well. It's plenty warm in the cold but might be too much during the hotter months. I live in San Diego where the average yearly temperature is at least 70 degrees. During the majority of the year this comforter ended up being too warm for me. I've used it for nearly 2 years but just replaced it with the much thinner Bedsure cooling comforter. If you're a hot sleeper or live in a warm climate, I'd recommend that product. This is still a good comforter, just not for me.
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Reviewed in the United States on March 30, 2026

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