L-Glutamine
by NutriCology · powder · 200 grams
- On the market (NIH)
- UPC 7 13947 52130 8
- DSLD label 258601
- Serving 4.7 g (1 Teaspoon)
- 42 servings
L-Glutamine by NutriCology lists one ingredient: 4.7 g of L-glutamine per serving of 4.7 g. Its current label entered the NIH Dietary Supplement Label Database on January 22, 2022.
What is in L-Glutamine?
Each row as the label prints it, per serving of 4.7 g. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| L-Glutamine | 4.7 g | Higher than 82% of 1,850 products listing glutamine (median 1 g). Per day at the most servings: 14.1 g. |
Source: NIH ODS Dietary Supplement Label Database, label 258601 (entered January 22, 2022), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.
The NIH database records 1 to 3 servings a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.
The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.
Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.
Which products have the closest formulas?
6 products list the very same ingredients; the nearest amounts come first.
- L-Glutamine PowderAllergy Research Group · off the market same ingredients
- L-Glutamine PowderNutriCology · off the market same ingredients
- L-GlutamineAllergy Research Group same ingredients
- 100% Pure Glutamine Powder 4,500 mgBody Fortress · off the market same ingredients
- L-Glutamine PowderMartin Avenue Pharmacy same ingredients
- L-Glutamine Powder 4500 mgThe Vitamin Shoppe · off the market same ingredients
Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.
What does the label say about taking it?
Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.
- Directions
- Suggested Use As a dietary supplement, 1 teaspoon (approx. 4.7 grams) in water one to three times daily before meals, or as directed by a healthcare practitioner.
- Storage
- Keep in a cool, dry place, tightly capped.
Source: label statements in DSLD label 258601.
How many labels does L-Glutamine have?
2 labels are on file under this name since September 25, 2020: other sizes, label designs and reformulations. The current one leads this page.
- Label 258601 (current) Entered January 22, 2022 · on the market · 200 grams · UPC 7 13947 52130 8
- Label 235296 Entered September 25, 2020 · on the market · 100 vegetarian capsules · UPC 7 13947 51970 1
DSLD also links this label to: L-Glutamine Powder (image difference, same product).
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names NutriCology (distributor), South Salt Lake, UT. All NutriCology products.