Last update
4/9/2026
Reviewed By
Overview
SCIENTIFIC SCORE
Moderately Effective
Based on 1 Research
8
USERS' SCORE
Good
Based on 7 Reviews
8.3
Supplement Facts
Serving Size: 1 Tablet
Amount Per Serving
%DV
L-Glutamine
1,000 mg
â€
Top Medical Research Studies
8
L-glutamine aids flu vaccine response
This study examined the impact of L-glutamine supplementation on immune responses to the flu vaccine among 84 elderly participants, some engaged in regular exercise.
After vaccination, those receiving L-glutamine alongside exercise exhibited improved antibody levels and immune cell presence compared to those on a placebo.
Overall, we found that both L-glutamine and combined exercise training contributed to stronger immune reactions in older adults receiving the flu vaccine.
After vaccination, those receiving L-glutamine alongside exercise exhibited improved antibody levels and immune cell presence compared to those on a placebo.
Overall, we found that both L-glutamine and combined exercise training contributed to stronger immune reactions in older adults receiving the flu vaccine.
Read More
Most Useful Reviews
9
Significant improvement
13 people found this helpful
Relief for leaky gut and acid reflux. I was diagnosed with leaky gut and acid reflux, which tend to follow each other. I tried many supplements to improve these symptoms with little success. Then I read about L-Glutamine and its digestive benefits. This has been a Godsend; I’m seeing significant improvement. I take it on an empty stomach and wait about 40 minutes before eating. I take it upon waking, mid-afternoon, and right before bed for maximum effectiveness. I'm so grateful for the relief it has provided.
Read More
9
Reduced heartburn significantly
3 people found this helpful
It reduces acid reflux. My husband and I have noticed a significant drop in heartburn and acid reflux since taking L-glutamine, with no adverse side effects!
Read More
7.5
Relief from gastritis
1 people found this helpful
I bought this for chronic gastritis. After a recent gastroscopy, I was diagnosed with reflux esophagitis and chronic gastritis. I have tried various nutritional supplements for my stomach, but this seems to be the best for me. While I can’t claim full relief, about 70% of the symptoms feel alleviated. I take one tablet each morning on an empty stomach with lactic acid bacteria.
Read More
Medical Researches
SCIENTIFIC SCORE
Moderately Effective
Based on 1 Research
8
- All Researches
8
L-glutamine aids flu vaccine response
This study examined the impact of L-glutamine supplementation on immune responses to the flu vaccine among 84 elderly participants, some engaged in regular exercise.
After vaccination, those receiving L-glutamine alongside exercise exhibited improved antibody levels and immune cell presence compared to those on a placebo.
Overall, we found that both L-glutamine and combined exercise training contributed to stronger immune reactions in older adults receiving the flu vaccine.
After vaccination, those receiving L-glutamine alongside exercise exhibited improved antibody levels and immune cell presence compared to those on a placebo.
Overall, we found that both L-glutamine and combined exercise training contributed to stronger immune reactions in older adults receiving the flu vaccine.
Read More
User Reviews
USERS' SCORE
Good
Based on 7 Reviews
8.3
- All Reviews
- Positive Reviews
- Negative Reviews
9
Significant improvement
13 people found this helpful
Relief for leaky gut and acid reflux. I was diagnosed with leaky gut and acid reflux, which tend to follow each other. I tried many supplements to improve these symptoms with little success. Then I read about L-Glutamine and its digestive benefits. This has been a Godsend; I’m seeing significant improvement. I take it on an empty stomach and wait about 40 minutes before eating. I take it upon waking, mid-afternoon, and right before bed for maximum effectiveness. I'm so grateful for the relief it has provided.
Read More
9
Reduced heartburn significantly
3 people found this helpful
It reduces acid reflux. My husband and I have noticed a significant drop in heartburn and acid reflux since taking L-glutamine, with no adverse side effects!
Read More
7.5
Relief from gastritis
1 people found this helpful
I bought this for chronic gastritis. After a recent gastroscopy, I was diagnosed with reflux esophagitis and chronic gastritis. I have tried various nutritional supplements for my stomach, but this seems to be the best for me. While I can’t claim full relief, about 70% of the symptoms feel alleviated. I take one tablet each morning on an empty stomach with lactic acid bacteria.
Read More
7.5
Essential for relief
4 people found this helpful
A must for reflux and for weaning off proton pump inhibitors. It's beneficial for IBS sufferers and essential when trying to stop proton pump inhibitors, which worsen reflux if stopped abruptly. I take it alongside endefen.
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7.5
Improved muscular gains
3 people found this helpful
Observed positive effects. I've been taking this for over a year, and it has helped with my muscular gains, as I have been a hardgainer genetically for decades. It also coats my stomach and aids my acid reflux. I take this with BCAA and protein tablets, along with exercise and yoga.
Read More
Frequently Asked Questions
9
Reduced heartburn significantly
3 people found this helpful
It reduces acid reflux. My husband and I have noticed a significant drop in heartburn and acid reflux since taking L-glutamine, with no adverse side effects!
7.5
Relief from gastritis
1 people found this helpful
I bought this for chronic gastritis. After a recent gastroscopy, I was diagnosed with reflux esophagitis and chronic gastritis. I have tried various nutritional supplements for my stomach, but this seems to be the best for me. While I can’t claim full relief, about 70% of the symptoms feel alleviated. I take one tablet each morning on an empty stomach with lactic acid bacteria.
7.5
Improved muscular gains
3 people found this helpful
Observed positive effects. I've been taking this for over a year, and it has helped with my muscular gains, as I have been a hardgainer genetically for decades. It also coats my stomach and aids my acid reflux. I take this with BCAA and protein tablets, along with exercise and yoga.
7.5
Aids recovery from flu
I like it. It helps me recover after stomach flu. The taste is pleasant and they are good supplements to add to your diet, especially during stress or illness. The pill is a bit large to swallow, but the quality and clean ingredients are commendable. My package was delivered quickly, and I like the product size.
References
- Monteiro FR, Roseira T, Amaral JB, Paixão V, Almeida EB, et al. Combined Exercise Training and l-Glutamine Supplementation Enhances Both Humoral and Cellular Immune Responses after Influenza Virus Vaccination in Elderly Subjects. Vaccines (Basel). 2020;8. 10.3390/vaccines8040685
Data last updated:
