Free Form Amino Acid L-Ornithine 500 mg
by Nature's Plus · capsule · 90 vegetarian capsules
- On the market (NIH)
- UPC 0 97467 05211 6
- DSLD label 49552
- Serving 1 capsule
Free Form Amino Acid L-Ornithine 500 mg by Nature's Plus lists one ingredient: 500 mg of L-ornithine per serving of 1 capsule. Its current label entered the NIH Dietary Supplement Label Database on August 25, 2015.
What is in Free Form Amino Acid L-Ornithine 500 mg?
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-OrnithineL-Ornithine Note: (Highest Quality Pharmaceutical Grade Amino Acid) (free form amino acid) | 500 mg | Higher than 57% of 258 products listing ornithine (median 400 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 49552 (entered August 25, 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-Ornithine Amino Acid 500 mgSwanson Premium Brand same ingredients
- L-Ornithine 500 mgSolgar same ingredients
- L-Ornithine 500 mgDouglas Laboratories same ingredients
- L-OrnithineTwinlab same ingredients
- L-Ornithine 500 mgNutricost same ingredients
- L-Ornithine 500 mgSwanson 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, one capsule daily, preferably on an empty stomach at bedtime, or as recommended by your health care practitioner.
- Warnings
- KEEP OUT OF REACH OF CHILDREN.
- Allergens and what it does not contain
- Free from artificial colors and preservatives. Free from the common allergens yeast, wheat, corn, soy and milk.
- Storage
- KEEP TIGHTLY CLOSED IN A COOL, DRY PLACE.
Source: label statements in DSLD label 49552.
What else is on the label?
Other ingredients: Vegetable Cellulose, Microcrystalline Cellulose, Magnesium Stearate, Silica, purified Water.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): QUALITY NATURAL SUPPLEMENTS(R); GLUTEN Free.
How many labels does Free Form Amino Acid L-Ornithine 500 mg have?
2 labels are on file under this name since February 25, 2013: other sizes, label designs and reformulations. The current one leads this page.
- Label 49552 (current) Entered August 25, 2015 · on the market · 90 vegetarian capsules · UPC 0 97467 05211 6
- Label 13628 Entered February 25, 2013 · off the market July 31, 2015 · 90 vegetarian capsules · UPC 0 97467 05211 6
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Natural Organics Laboratories, Inc. makers of Nature's Plus (manufacturer), Amityville, New York. All Nature's Plus products.