Sports Research® SR L-Glutamine Workout Recovery Immune Health Gut Health IBS 5g Per Serving
Sports Research® SR L-Glutamine Workout Recovery Immune Health Gut Health IBS 5g Per Serving
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Sports Research® SR L-Glutamine Workout Recovery Immune Health Gut Health IBS 5g Per Serving

Key item features

  • L-GLUTAMINE POWERED BY SPORTS RESEARCH ®: Amino Acids are crucial in the process of building protein within the body. L-Glutamine is one of the most abundant amino acids in the human body—having enough of it aids in your body’s protein synthesis*
  • WORKOUT RECOVERY, GUT & IMMUNE HEALTH: 1-2 daily scoops of pure L-Glutamine mixed into your favorite beverage, provides you with gut, immune and workout recovery support*
  • ONE DAILY SCOOP: One to two daily scoops of our fermented glutamine powder, mixed into your favorite beverage, provide you with a range of benefits you can see and feel—especially when combined with a regular workout routine*
  • DEDICATED TO QUALITY: Our L-Glutamine is made using a proprietary fermentation process, and a high-quality powder from a premium, trusted name made in the USA— entirely vegan, Informed Sport tested for banned substances, gluten-free and non-GMO tested
  • THE SPORTS RESEARCH DIFFERENCE: Founded in Southern California in 1980, Sports Research is a family-owned business born from a passion for fitness and wellness. Our goal is to embrace the sport of life through research-backed products created for every body—inside and out
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4.6 out of 5 stars
stars62 ratings58 reviews
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Showing 1-3 of 58 reviews

Apr 4, 2026
Karl
Item details
Size: 17.6 oz
Sold bySports ResearchDelivered byWalmart
5 out of 5 stars review

Verified Purchase

A fine value for the size.

A fine value for such a large quantity of glutamine powder.Mixes easily,and has no flavor at all.

Incentivized Review
Helpful?187FGOTBA2IP5296958503
Aug 23, 2024
Sergio
5 out of 5 stars review

Noticeable Relief with High-Quality Glutamine

I previously reviewed the 500 g version of Sports Research L-Glutamine, and after seeing great results, I decided to purchase the 300 g version as well. Just like before, I felt the benefits as soon as the next day. The digestive discomfort and bloating I was experiencing started to ease, and things continued to improve over the next few days. It's been a game-changer for my gut health, and I recommend it completely. What I appreciate most is the quality of the ingredients. This unflavored powder is easy to mix into any drink, whether it's a smoothie, water, or part of my post-workout shake, making it a seamless addition to my diet. The benefits are clear—not only does it support the gut lining, but it also aids in muscle recovery, which is a big plus if you're active. This L-Glutamine is fermented, which is considered better because it's typically purer and more easily absorbed by the body. This makes it even more effective in providing the relief and support you're looking for. The 300 g container is a bit smaller than the 500 g one I tried before, but it still offers great value. Sports Research is a brand I trust, and their commitment to quality is evident in both versions. If you're dealing with gut issues or just want to support your overall health, this L-Glutamine is definitely worth adding to your routine.

Incentivized Review
Review from iherb.com
Helpful?187FGOTBA2IP5296958503
Aug 23, 2024
Sergio
5 out of 5 stars review

Noticeable Relief with High-Quality Glutamine

I decided to try Sports Research L-Glutamine after dealing with some digestive discomfort and bloating, and I have to say, I felt the benefits as soon as the next day. The discomfort I was feeling started to ease, and the bloating began to go down within a few days of consistent use. It's been a game-changer for my gut health, and I recommend it completely. What I really appreciate about this supplement is the quality of the ingredients. This unflavored powder is easy to mix into any drink, whether it's a smoothie, water, or part of my post-workout shake, making it a seamless addition to my diet. The benefits are clear—not only does it support the gut lining, but it also aids in muscle recovery, which is a big plus if you're active. One thing to note is that this L-Glutamine is fermented, which is considered a better option because it's typically purer and more easily absorbed by the body. This makes it even more effective in providing the relief and support you're looking for. The 1.1 lbs (500 g) container offers great value, with plenty of servings to keep you going for a while. Sports Research is a brand I trust, and their commitment to quality really shows in this product. If you're dealing with gut issues or just want to support your overall health, this L-Glutamine is definitely worth adding to your routine.

Incentivized Review
Review from iherb.com
Helpful?187FGOTBA2IP5296958503