While L-glutamine supplementation is usually considered safe for most people, there are some who should avoid it. People with kidney disease, liver disease or Reye's syndrome, a severe condition that can cause swelling of the liver and brain, should avoid taking L-glutamine supplements.
What are the negative effects of glutamine?
Common side effects may include:
- nausea, vomiting, stomach pain, gas;
- swelling in your hands or feet;
- muscle or joint pain, back pain;
- headache, dizziness, tired feeling;
- mild skin rash or itching; or.
- dry mouth, runny nose, increased sweating.
Is it safe to take glutamine everyday?
If you decide to take a glutamine supplement, it is probably best to start with a conservative dose of around 5 grams per day. Summary Intake of the glutamine found in foods, as well as the short-term use of supplements, is safe. However, glutamine supplements can affect how your body processes amino acids.