L-Arginine & L-Ornithine
by Swanson · capsule · 100 capsules
- On the market (NIH)
- UPC 0 87614 01866 9
- DSLD label 181354
- Serving 1 capsule
L-Arginine & L-Ornithine by Swanson lists 2 ingredients, 2 with an amount per serving of 1 capsule, such as 500 mg of L-arginine and 250 mg of L-ornithine. Its current label entered the NIH Dietary Supplement Label Database on September 21, 2018.
What is in L-Arginine & L-Ornithine?
Each row as the label prints it, per serving of 1 capsule. 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-ArginineL-Arginine base | 500 mg | 47% of 1,455 products listing arginine give more (median 500 mg). Per day at the most servings: 1,500 mg. | |
| L-Ornithineas L-Ornithine HydrochlorideL-Ornithine (Form: as L-Ornithine HCl) | 250 mg | 57% of 258 products listing ornithine give more (median 400 mg). Per day at the most servings: 750 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 181354 (entered September 21, 2018), 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-Arginine & L-Ornithine ComplexVSN Vital Strength Nutrition · off the market same ingredients
- Arginine & Ornithine ComplexOL Olympian Labs · off the market same ingredients
- EsrOL Olympian Labs same ingredients
- L-Arginine L-Ornithine 500 mg/250 mgSolgar · off the market same ingredients
- Arginine & OrnithineOL Olympian Labs same ingredients
- Pharmaceutical Grade AjiPure L-Arginine with L-OrnithineSwanson Ultra · 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, take one capsule one to three times per day with water.
- Warnings
- Warning: For adults only.
- Consult your physician before using this or any product if you are pregnant or nursing, taking medication or have a medical condition.
- Keep out of reach of children.
- Do not use if seal is broken.
- Storage
- Store in a cool, dry place.
Source: label statements in DSLD label 181354.
What else is on the label?
Other ingredients: Gelatin, Calcium Palmitate, Rice Flour.
How many labels does L-Arginine & L-Ornithine have?
One label is on file, entered on September 21, 2018.
- Label 181354 (current) Entered September 21, 2018 · on the market · 100 capsules · UPC 0 87614 01866 9
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Swanson Health Products (distributor), Fargo, ND. All Swanson products.