The stir-in one
L-glutamine powder
Mixes into water and makes larger amounts easy.
Good for: Easy to take
What variations of L-glutamine exist?
An amino acid that fuels the cells lining your gut. It's often used to support the gut lining and recovery. It comes in 3 forms, and they aren't all the same. Here's how they differ.
For education only. What's right for you depends on your health and your medications, so check with your provider before you start or switch. Book a consult
Our top pick
Every form, in plain words
The stir-in one
L-glutamine powder
Mixes into water and makes larger amounts easy.
Good for: Easy to take
The grab-and-go one
L-glutamine capsules
Convenient, but you may need many capsules.
The gut team
Gut-repair blends
Often pair glutamine with zinc carnosine, DGL licorice, or aloe.
Spotting a good one on the shelf
Look for
- Look for 'L-glutamine powder' on the label (the stir-in one)
Watch out for
- Gut blends with many ingredients and no amounts listed
- Gut blends with licorice root that isn't labeled DGL (licorice with the blood-pressure-raising part removed)
Check with your provider first if…
- Liver disease, especially cirrhosis
- Kidney disease
- Seizure disorder or taking seizure medicines
- Cancer or in cancer treatment. Ask your oncology team first.
- Pregnancy or breastfeeding
In Dr. Lesher's store
3 products in Dr. Lesher's dispensary have L-glutamine. Here's which form, where the label says.
Check with your provider before taking any of these, especially if you're pregnant or take medications.
Patient One MediNutritionals
GastroOne Gut Health Formula
3,000 mg per serving
Vital Nutrients
Buy on Fullscript GI Repair Powder
Nutritional Fundamentals for Health
GI Repair SAP
1,500 mg per serving
Ready to find the root cause?
Dr. Lesher is a Naturopathic Doctor who focuses on autoimmune and chronic conditions in women. Since 2020, she's helped hundreds of patients stop managing symptoms and start healing.