


R1 Glutamine by Rule 1Micronized Glutamine Glutamine is a conditionally essential amino acid (CEAA) and an important building block of proteins. Prolonged bouts of intense exercise can deplete your bodys nutritional reserves and overcome its ability to fully recover. Made entirely with pure l glutamine, R1 Glutamine is a simple way to help keep your levels elevated. How it helps Glutamine is an important amino acid that has several beneficial effects on the body. Here are
Quick Dispatch:
Your R1 Glutamine by Rule 1 orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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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]
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Based on 2045 reviews
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Product Reviews
★★★★★ 4
Size 13 (not 13-16)
Color: Gray Navy, Size: 13-16
I have a size 13 foot and these Winter Socks/Slippers just barely cover the length of my foot, so if you are over size 13 these will be too small_ they are well made and insulated_ they look nice, just like the pic, and I can go from my house to the my car in the snow without the bottoms getting wet_ they are cozy without my feet getting hot_ just wish they were a half inch longer on the foot size to be a more perfect size 13_ they feel about 12-1/2
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 10, 2026
★★★★★ 5
Good product
Color: Long Black, Size: 13-16
Nice
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 27, 2026
★★★★★ 3
Awesome but loses shape
Color: Long Black, Size: 10-13
This is comfy and keeps my feet warm but definitely doesn't hold shape good to wear indoors but don't think about walking long distances.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 3, 2025
★★★★★ 5
Comfy, thick, bottoms slick enough to wipe clean easily
Color: Long Black, Size: 10-13
Comfy, thick, bottoms easy to wipe clean . Would buy again. A little hot if anything.
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Reviewed in the United States on July 17, 2025
★★★★★ 5
Perfect to where around the house
Color: Long Navy, Size: 7-9.5
They worked perfectly. They fit very well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 26, 2025
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