Nov 1, 2025 · Learn about the side effects of glutamine, from common to rare, for consumers and healthcare professionals.

What are the side effects of taking glutamine? More research is needed to understand the potential side effects of taking glutamine in the long term. For example, it’s possible that …

When taken by mouth: Glutamine is likely safe when used in doses up to 40 grams daily. Side effects are generally mild and might include bloating, nausea, dizziness, heartburn, and …

L-glutamine: learn about side effects, dosage, special precautions, and more on MedlinePlus

Mar 31, 2024 · There seems to be low risk for side effects when taken in doses up to 20 to 30 grams per day, which are considered higher doses but have been used safely in some studies …

Jun 7, 2024 · L-glutamine is safe for human consumption and does not generally cause significant side effects even at doses up to 40 grams per day. 18 More than that and you may experience …

Feb 1, 2025 · Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health …

Nov 13, 2025 · L‑glutamine supplements most commonly cause mild gastrointestinal and related symptoms —constipation, bloating, nausea, abdominal discomfort, diarrhea—and a set of …

Sep 11, 2025 · L-Glutamine supports gut health, muscle recovery, and immunity. Learn its benefits, dosage, and possible side effects.

Jan 13, 2018 · Some supplements list it as L-glutamine, but others simply use the broader term glutamine. While L-glutamine is used to make proteins and perform other functions, D …