PlainVitamins

L-Glutamic Acid

by BulkSupplements.com · powder · 500 grams

  • On the market (NIH)
  • UPC X000TBVBZ9
  • DSLD label 312148
  • Serving 4,000 mg (about 1/2 tbsp)
  • 125 servings

L-Glutamic Acid by BulkSupplements.com lists one ingredient: 4,000 mg of L-glutamic acid per serving of 4,000 mg. Its current label entered the NIH Dietary Supplement Label Database on June 20, 2024.

What is in L-Glutamic Acid?

Each row as the label prints it, per serving of 4,000 mg. 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-Glutamic Acid: Supplement Facts rows against the market (DSLD label 312148, January 2026 release)
IngredientAmount% DVAmong products listing it
L-Glutamic Acid4,000 mgGlutamic Acid in L-Glutamic Acid against 697 products4,000 mg per serving; the middle half of products list 25 mg to 364 mg, the median 80 mg.4,000 mg

Higher than 94% of 697 products listing glutamic acid (median 80 mg).

Source: NIH ODS Dietary Supplement Label Database, label 312148 (entered June 20, 2024), 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?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • Its 4,000 mg of L-glutamic acid (filed by NIH under glutamic acid) is higher than 94% of the 697 glutamic acid products that print an amount; 39 list more.

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
Suggested use: As a dietary supplement, take 4000 mg (about 1/2 tbsp) once daily, or as directed by a physician.
Warnings
Always consult a physician before taking any dietary supplement.
Keep out of reach of children.
Allergens and what it does not contain
Free of: Added sugar, soy, dairy, yeast, gluten, additives
Storage
Store in a dry, cool place Contents are sold by weight, not volume. Settling may occur.

Source: label statements in DSLD label 312148.

How many labels does L-Glutamic Acid have?

8 labels are on file under this name since August 23, 2021: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 312148 (current) Entered June 20, 2024 · on the market · 500 grams · UPC X000TBVBZ9
  2. Label 312147 Entered June 20, 2024 · on the market · 250 grams · UPC X000TBV84D
  3. Label 312146 Entered June 20, 2024 · on the market · 100 grams · UPC X000TBV96Z
  4. Label 312145 Entered June 20, 2024 · on the market · 1 kilogram · UPC X000TBVAX7
  5. Label 254453 Entered October 22, 2021 · off the market February 20, 2025 · 500 grams · UPC X000TBVBZ9
  6. Label 254451 Entered October 22, 2021 · off the market February 20, 2025 · 250 grams · UPC X000TBV84D
  7. Label 254450 Entered October 22, 2021 · off the market February 20, 2025 · 100 grams · UPC X000TBV96Z
  8. Label 252755 Entered August 23, 2021 · off the market February 20, 2025 · 1 kg · UPC X000TBVAX7

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

Who makes it?

The label names BulkSupplements.com (distributor), Henderson, NV. All BulkSupplements.com products.

Where next?