PlainVitamins

L-Glutamine

by California Gold Nutrition SPORT · powder · 16 ounces

  • On the market (NIH)
  • UPC 8 98220 01060 8
  • DSLD label 274235
  • Serving 5 g
  • 91 servings

L-Glutamine by California Gold Nutrition SPORT lists one ingredient: 5 g of L-glutamine per serving of 5 g. Its current label entered the NIH Dietary Supplement Label Database on September 22, 2022.

What is in L-Glutamine?

Each row as the label prints it, per serving of 5 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).

L-Glutamine: Supplement Facts rows against the market (DSLD label 274235, January 2026 release)
IngredientAmount% DVAmong products listing it
L-Glutaminefree-form5 gGlutamine in L-Glutamine against 1,850 products5 g per serving; the middle half of products list 0.356 g to 3 g, the median 1 g.5 g

Higher than 83% of 1,850 products listing glutamine (median 1 g).

Source: NIH ODS Dietary Supplement Label Database, label 274235 (entered September 22, 2022), version 9.4.0. See the label on DSLD or its label image (PDF). 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 one serving 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.

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
SBD Scoop it. Blend it. Drink it. It's that simple. Suggested usage: Combine 1 level scoop (5 grams) of powder with 6-8 fl oz of the liquid of your choice and drink on an empty stomach or as directed by your qualified healthcare professional or athletic trainer. For best results, use a blender-type bottle or shaker cup. Consider combining L-Glutamine with our BCAA and drink before, during, and immediately after exercise.
Warnings
Keep out of reach of children.
Pregnant or lactating women, the chronically ill, elderly, individuals under the age of 18, those taking prescription medications as well as those with a physician-diagnosed medical condition should consult with a physician, pharmacist, naturopath or other qualified healthcare professional prior to taking dietary supplements.
Sealed for your protection. Do not use if seal is missing or broken.
This product is not manufactured with milk, eggs, fish, crustacean shellfish, tree nuts, peanuts, wheat, soy, sesame, or gluten. Produced in a third-party, audited and registered cGMP compliant facility that may process other products that contain these allergens or ingredients.
Allergens and what it does not contain
California Gold Nutrition SPORT L-Glutamine is formulated to contain: No artificial colors, flavors, or sweeteners No fillers, gluten, or GMOs
Formulated to Contain No gluten No GMOs No soy
This product is not manufactured with milk, eggs, fish, crustacean shellfish, tree nuts, peanuts, wheat, soy, sesame, or gluten.
Storage
Best stored at controlled room temperature 20 degrees C to 25 degrees C (68 degrees F to 77 degrees F). Improper storage conditions, such as extended exposure to direct sunlight, high heat & humidity can cause product degradation over time.

Source: label statements in DSLD label 274235.

What else is on the label?

Other ingredients: None.

How many labels does L-Glutamine have?

One label is on file, entered on September 22, 2022.

  1. Label 274235 (current) Entered September 22, 2022 · on the market · 16 ounces · UPC 8 98220 01060 8

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Madre Labs, LLC (distributor), Pasadena, CA. All California Gold Nutrition SPORT products.

Where next?