PlainVitamins

L-Ornithine HCl

by BulkSupplements.com · powder · 500 grams

  • On the market (NIH)
  • UPC X000HURQ1Z
  • DSLD label 312208
  • Serving 1,000 mg (about 1/3 teaspoon)
  • 500 servings

L-Ornithine HCl by BulkSupplements.com lists one ingredient: 1,000 mg of L-ornithine hydrochloride per serving of 1,000 mg. Its current label entered the NIH Dietary Supplement Label Database on April 23, 2024.

What is in L-Ornithine HCl?

Each row as the label prints it, per serving of 1,000 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-Ornithine HCl: Supplement Facts rows against the market (DSLD label 312208, January 2026 release)
IngredientAmount% DVAmong products listing it
L-Ornithine Hydrochloride1,000 mgOrnithine in L-Ornithine HCl against 258 products1,000 mg per serving; the middle half of products list 100 mg to 900 mg, the median 400 mg.1,000 mg

Higher than 77% of 258 products listing ornithine (median 400 mg). Per day at the most servings: 2,000 mg.

Source: NIH ODS Dietary Supplement Label Database, label 312208 (entered April 23, 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?

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 2 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.

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 1000 mg (about 1/3 tsp) once or twice 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

Source: label statements in DSLD label 312208.

How many labels does L-Ornithine HCl 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 312208 (current) Entered April 23, 2024 · on the market · 500 grams · UPC X000HURQ1Z
  2. Label 312207 Entered April 23, 2024 · on the market · 250 grams · UPC X000HURRPZ
  3. Label 312206 Entered April 23, 2024 · on the market · 100 grams · UPC X000HURQSD
  4. Label 312205 Entered April 23, 2024 · on the market · 1 kilogram · UPC X000HURP2P
  5. Label 254645 Entered September 24, 2021 · on the market · 500 grams · UPC X000HURQ1Z
  6. Label 254644 Entered September 24, 2021 · on the market · 250 grams · UPC X000HURRPZ
  7. Label 254643 Entered September 24, 2021 · on the market · 100 grams · UPC X000HURQSD
  8. Label 252813 Entered August 23, 2021 · on the market · 1 kg · UPC X000HURP2P

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?