Pure L-glutamine powder for gut lining, recovery and cellular support. 340 g.
340 g powder
Third-party tested for purity & potency
Clinically effective doses — no fairy dusting
Non-GMO · no fillers or artificial junk
Doctor-formulated & professionally sourced
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✓3K+ people already bought this
★★★★★
“Three weeks in and my energy is noticeably steadier — no 2pm crash, no jitters.”
Jessica M. ✓ Verified buyer
★★★★★
“My doctor was impressed by the dosing. Finally a brand that isn't underdosed.”
David R. ✓ Verified buyer
★★★★★
“Clean ingredients and it actually works. The subscription makes it effortless.”
Amanda S. ✓ Verified buyer
Description
L-Glutamine — L-Glutamine. Pure L-glutamine powder for gut lining, recovery and cellular support. 340 g.
Doctor-formulated by Dr. Basima, professionally sourced, third-party tested for purity and potency, and dosed to match the clinical research. No fillers, no fairy dusting — just what belongs in the bottle.
Why you’ll love it
Supports gut-lining integrity
Aids recovery after training or stress
Single-ingredient, unflavored purity
Mixes easily into water
Third-party tested · Clinically dosed · Non-GMO. These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.
Specifications
Form
Powder
Third-Party Tested
Yes, every batch
Non-GMO
Yes
Made In
USA (cGMP facility)
Shipping & Returns
Free carbon-neutral shipping on orders over $50. Most orders leave our cGMP facility the same business day and arrive in 2–5 days.
Not feeling the difference? You’re covered by our 90-day money-back guarantee — keep the bottle, we’ll refund you.
100% SatisfactionGuaranteed or refunded
90-Day ReturnsNo-questions money-back
Free ShippingOn orders over $50
Made in the USAcGMP-certified facility
Why L-Glutamine
The gut’s favorite fuel
L-glutamine is the primary fuel for the cells lining your gut. Pure, single-ingredient powder to support gut-lining integrity and recovery when your body is under load.
PureSingle ingredient
GutLining support
340gUnflavored powder
The full story
What it supports
Repair, recover, rebalance
Gut-lining integrity
Fuels the cells that keep your intestinal barrier strong.
Recovery
Supports repair after intense training, illness or stress.
Immune support
A key fuel source for immune cells under demand.
How it’s different
Just glutamine — nothing else
No fillers, no flavors, no sweeteners. Pure L-glutamine that mixes clean into water so you control exactly what you take.
Single-ingredient purity
Only L-glutamine — nothing to hide.
Mixes instantly
Dissolves clean in water on an empty stomach.
Flexible dosing
Scale to your needs, day by day.
From the formulator“When someone’s gut is struggling, glutamine is often the first tool I reach for. Simple and effective.”
Dr. BasimaFounder & Formulator, MyVitamin
These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.
Why supplement?
Even a great diet leaves gaps
Modern food and modern life make it hard to get everything your body needs from meals alone — here’s the gap a clean, clinically-dosed routine is built to fill.
40%
fewer minerals
Produce has lost up to 40% of its mineral content since the 1950s as intensive farming depletes the soil.
1 in 10
hit their targets
Only about 1 in 10 adults get all the vitamins and minerals they need from food alone.
−30%
absorption with age
Age, stress and gut health steadily lower how much your body actually absorbs from meals.
2×
higher demands
Exercise, travel, screens and stress push your nutrient needs well beyond the baseline RDA.
It’s not a reason to eat worse — it’s why the right daily nutrients, at doses that actually work, make such a difference.
Take as directed on the label — most of our formulas are once or twice daily with food. Consistency matters more than timing, so pick a moment you’ll remember.
QCan I take it with my other supplements or medication?
A
Our packs are designed to be combined safely. If you take prescription medication, we always recommend a quick check with your physician first.
QIs it third-party tested?
A
Yes. Every batch is independently tested for identity, potency, heavy metals and contaminants before it ships.
QWhen will I feel a difference?
A
Most nutrients need 3–6 weeks of consistent daily use to show their full effect.
QWhat’s your return policy?
A
You’re covered by our 90-day money-back guarantee. Not feeling it? We’ll refund you — keep the bottle.
Have a question of your own? Email hello@myvitamin.com and our team will answer within one business day.
Rachel T. (verified owner) –
Doctor approved. Third-party tested and it shows. Gentle on my stomach and I actually feel a difference.
Victoria S. (verified owner) –
Clean and effective. Easy to swallow and no weird aftertaste. Will be reordering for sure.
Adam F. (verified owner) –
Good but pricey. It’s fine. Not sure I feel a huge difference yet but the quality seems good.
Megan B. (verified owner) –
Solid choice. Quality is great. Only reason it’s not five stars is the price, but you get what you pay for.
Nicole V. (verified owner) –
Excellent quality. Noticed a real difference in my energy within a couple of weeks. Easy to take, no aftertaste.
Nathan D. (verified owner) –
Would buy again. Doing what it says. Packaging is clean and professional.
Emily C. (verified owner) –
Worth every penny. Easy to swallow and no weird aftertaste. Will be reordering for sure.
Rachel T. (verified owner) –
Best I’ve tried. Third-party tested and it shows. Gentle on my stomach and I actually feel a difference.
Justin M. (verified owner) –
Best I’ve tried. Finally a brand that lists real, clinical doses instead of a proprietary blend. Feeling great.
Nathan D. (verified owner) –
Really works. Easy to swallow and no weird aftertaste. Will be reordering for sure.
Katherine H. (verified owner) –
Will absolutely reorder. Been on this for a month now and I’m a believer. The subscription makes it effortless.
Daniel R. (verified owner) –
Feeling great. Clean ingredients, no fillers, and it actually works. Exactly what I was looking for.
Matthew G. (verified owner) –
Clean and effective. Clean ingredients, no fillers, and it actually works. Exactly what I was looking for.
James P. (verified owner) –
Feeling great. Professional-grade quality at a fair price. My whole family is on the daily packs now.
Eric W. (verified owner) –
Solid choice. Solid supplement, easy to take. Would buy again.
Nicole V. (verified owner) –
Exactly as described. Third-party tested and it shows. Gentle on my stomach and I actually feel a difference.
Megan B. (verified owner) –
Will absolutely reorder. Clean ingredients, no fillers, and it actually works. Exactly what I was looking for.
Matthew G. (verified owner) –
Solid choice. Good product overall. Took a few weeks to notice but I’m happy with it.
Emily C. (verified owner) –
Best I’ve tried. Love that everything is doctor-formulated. Feels like it was made by someone who cares.
Matthew G. (verified owner) –
Good quality. Solid supplement, easy to take. Would buy again.
Eric W. (verified owner) –
Would buy again. Doing what it says. Packaging is clean and professional.
Jennifer L. (verified owner) –
Best I’ve tried. Clean ingredients, no fillers, and it actually works. Exactly what I was looking for.
Nicole V. (verified owner) –
Exactly as described. Clean ingredients, no fillers, and it actually works. Exactly what I was looking for.
Robert H. (verified owner) –
Noticeable difference. Clean ingredients, no fillers, and it actually works. Exactly what I was looking for.
Adam F. (verified owner) –
Worth every penny. Finally a brand that lists real, clinical doses instead of a proprietary blend. Feeling great.
Tyler S. (verified owner) –
Noticeable difference. I’ve tried a dozen brands and this is the first one where I noticed a real change.
Brandon K. (verified owner) –
Really works. My doctor actually approved of the dosing on this one. Quality is clearly a step above the drugstore brands.
Emily C. (verified owner) –
Feeling great. Noticed a real difference in my energy within a couple of weeks. Easy to take, no aftertaste.