L-Arginine L-Ornithine 2500
by GNC Pro Performance · tablet or pill · 60 tablets
- On the market (NIH)
- UPC 0 48107 03972 1
- DSLD label 44591
- Serving 4 tablets
- 15 servings
L-Arginine L-Ornithine 2500 by GNC Pro Performance lists 2 ingredients, 2 with an amount per serving of 4 tablets, such as 1,500 mg of L-arginine and 1,000 mg of L-ornithine. Its current label entered the NIH Dietary Supplement Label Database on April 24, 2015.
What is in L-Arginine L-Ornithine 2500?
Each row as the label prints it, per serving of 4 tablets. 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-Arginine | 1,500 mg | Higher than 81% of 1,455 products listing arginine (median 500 mg). | |
| L-Ornithineas L-Ornithine MonohydrochlorideL-Ornithine (Form: as L-Ornithine Monohydrochloride) | 1,000 mg | Higher than 77% of 258 products listing ornithine (median 400 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 44591 (entered April 24, 2015), 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 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.
- L-Arginine L-OrnithineGNC Pro Performance · off the market same ingredients
- Arginine & OrnithineGNC Pro Performance same ingredients
- Arginine & Ornithine 2000 mgThe Vitamin Shoppe same ingredients
- Arginine Ornithine PowderLife Extension same ingredients
- Free Form Arginine & Ornithine 750 mgASN Advanced Sport Nutriceuticals · off the market same ingredients
- L-Arginine-HCL L-Ornithine-HCLPureBulk.com 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
- DIRECTIONS: As a dietary supplement, take four tablets daily.
- Warnings
- WARNING: Consult your physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition.
- KEEP OUT OF REACH OF CHILDREN.
- Storage
- Store in a cool, dry place.
Source: label statements in DSLD label 44591.
What else is on the label?
Other ingredients: Cellulose, Dicalcium Phosphate.
How many labels does L-Arginine L-Ornithine 2500 have?
One label is on file, entered on April 24, 2015.
- Label 44591 (current) Entered April 24, 2015 · on the market · 60 tablets · UPC 0 48107 03972 1
DSLD also links this label to: L-Arginine L-Ornithine (image difference, same product), Arginine & Ornithine (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 General Nutrition Corporation (distributor), Pittsburgh, PA. All GNC Pro Performance products.