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PlainVitamins

Amino acid · Supplement ingredient

Ornithine

Ornithine is listed on 381 U.S. supplement product labels in the NIH DSLD, #393 of 4,614 by label frequency.

381
Products
#393 of 4,614
By frequency
Verify with NIH DSLD → · FDA Daily Value reference → · Page 2 of 8

How common is Ornithine?

Number of supplement labels listing Ornithine vs nearby amino acid ingredients

products
Source NIH Dietary Supplement Label Database (DSLD) As of 2026

Products containing Ornithine

Hardcore Amino 3000
MET-Rx
34 ingredients · Amino acid/Protein
On Market
hc3 trim Active Complex
NuMedica
18 ingredients · Other Combinations
On Market
HCG Activator Natural HCG Alternative
BioGenetic Laboratories
12 ingredients · Other Combinations
On Market
Height Growth Maximizer
Silverpeaks
13 ingredients · Other Combinations
On Market
Hydrolyzed Collagen
Vitamin World
11 ingredients · Other Combinations
On Market
Hydrolyzed Collagen
Puritan's Pride
9 ingredients · Amino acid/Protein
On Market
Hydrolyzed Collagen
Puritan's Pride
11 ingredients · Amino acid/Protein
On Market
Ignite Amazonian Sunrise Drops
Justified Laboratories
29 ingredients · Other Combinations
On Market
Intra Blast Blueberry Lemonade
NutraBio
33 ingredients · Other Combinations
On Market
Intra Blast Dragonfruit Candy
NutraBio
33 ingredients · Other Combinations
On Market
Intra Blast Grape Berry Crush
NutraBio
32 ingredients · Other Combinations
On Market
Intra Blast New York Punch
NutraBio
33 ingredients · Other Combinations
On Market
Intra Blast Orange Mango
NutraBio Performance
33 ingredients · Other Combinations
On Market
Intra Blast Strawberry Lemon Bomb
NutraBio Performance
32 ingredients · Other Combinations
On Market
Intra Blast Strawberry Lemon Bomb
NutraBio Performance
32 ingredients · Other Combinations
On Market
Intra Blast Sweet Tea
NutraBio Performance
32 ingredients · Other Combinations
On Market
Intra Blast Tropical Fruit Punch
NutraBio
33 ingredients · Other Combinations
On Market
intraKID All-In-One All Natural Raspberry Flavor
Drucker Labs
304 ingredients · Botanical with Nutrients
On Market
Keto Burn Diet Drops
Justified Laboratories
29 ingredients · Other Combinations
On Market
L-Arginine & L-Ornithine
Swanson
5 ingredients · Amino acid/Protein
On Market
L-Arginine + L-Ornithine 750 mg
Nutricost
5 ingredients · Amino acid/Protein
On Market
L-Arginine 500 mg L-Ornithine 250 mg
Bluebonnet
6 ingredients · Amino acid/Protein
On Market
L-Arginine 500 mg L-Ornithine 250 mg
Bluebonnet
6 ingredients · Amino acid/Protein
On Market
L-Arginine 500 mg L-Ornithine 500 mg
KAL
7 ingredients · Amino acid/Protein
On Market
L-Arginine L-Ornithine
Best Naturals
9 ingredients · Amino acid/Protein
On Market
L-Arginine L-Ornithine 1,500 mg
AN Amazing Nutrition Amazing Formulas
4 ingredients · Amino acid/Protein
On Market
L-Arginine L-Ornithine 2500
GNC Pro Performance
4 ingredients · Amino acid/Protein
On Market
L-Arginine L-Ornithine 750 mg
BIOVEA
5 ingredients · Amino acid/Protein
On Market
L-Arginine-HCL L-Ornithine-HCL
PureBulk.com
4 ingredients · Amino acid/Protein
On Market
L-Ornithine 500 mg
NOW
4 ingredients · Amino acid/Protein
On Market
L-Ornithine 500 mg
Bluebonnet
5 ingredients · Amino acid/Protein
On Market
L-Ornithine 500 mg
Solgar
6 ingredients · Amino acid/Protein
On Market
L-Ornithine 500 mg
Douglas Laboratories
5 ingredients · Amino acid/Protein
On Market
L-Ornithine 500 mg
NOW
4 ingredients · Amino acid/Protein
On Market
L-Ornithine 500 mg
Bluebonnet
5 ingredients · Amino acid/Protein
On Market
L-Ornithine 500 mg
Nutricost
5 ingredients · Amino acid/Protein
On Market
L-Ornithine 500 mg
Swanson
4 ingredients · Amino acid/Protein
On Market
L-Ornithine 500 mg
NOW
4 ingredients · Amino acid/Protein
On Market
L-Ornithine 500 mg
Bluebonnet
6 ingredients · Amino acid/Protein
On Market
L-Ornithine 500 mg
Bluebonnet
6 ingredients · Amino acid/Protein
On Market
L-Ornithine 667 mg
BIOVEA
4 ingredients · Amino acid/Protein
On Market
L-Ornithine 667 mg
Source Naturals
6 ingredients · Amino acid/Protein
On Market
L-Ornithine Amino Acid 500 mg
Swanson Premium Brand
4 ingredients · Amino acid/Protein
On Market
L-Ornithine HCL
PureBulk.com
2 ingredients · Amino acid/Protein
On Market
L-Ornithine HCL
BulkSupplements.com
2 ingredients · Amino acid/Protein
On Market
L-Ornithine HCL
BulkSupplements.com
2 ingredients · Amino acid/Protein
On Market
L-Ornithine HCL
BulkSupplements.com
2 ingredients · Amino acid/Protein
On Market
L-Ornithine HCL
BulkSupplements.com
2 ingredients · Amino acid/Protein
On Market
L-Ornithine HCl
BulkSupplements.com
1 ingredient · Amino acid/Protein
On Market
L-Ornithine HCl
BulkSupplements.com
1 ingredient · Amino acid/Protein
On Market

Nearby Ingredients in Amino acid

Other ingredients in the Amino acid category cataloged in the NIH DSLD. Useful for comparing how common different nutrients are across the US supplement market.

Compare Ornithine vs Leucine →

Leucine
4,582 products · Amino acid
Glutamine
2,515 products · Amino acid
Valine
1,971 products · Amino acid
Isoleucine
1,946 products · Amino acid
Tyrosine
1,744 products · Amino acid

Nationwide ingredients with similar DSLD presence

Two peer sets for Ornithine: closest on total DSLD label listings (381 here) and closest on distinct brands that list it (131 here). Peers exclude the same DSLD category, and rows stay link-disjoint so each axis is a distinct neighborhood.

Similar label frequency

Nearest other ingredients by distinct DSLD product labels (floored at ≥50), outside this category.

Similar brand breadth

Nearest other ingredients by distinct brands listing them (floored at ≥100 brands), distinct from the label-frequency row.

Frequently asked about Ornithine

How many supplement products contain Ornithine? ▼
381 supplement product labels in the NIH DSLD currently lists Ornithine as an ingredient. By label frequency it ranks #393 of 4,614 among ingredients PlainVitamins ranks (same sort as /rankings/most-common-ingredients). Browse them below.

Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD). Regulatory reference: Source: Dietary Supplement Health and Education Act (DSHEA), 1994, 21 U.S.C. § 321(ff).

Disclaimer, Not Medical Advice: Information on this page is based on manufacturer-declared label data and is provided for educational and reference purposes only. It does not constitute medical, nutritional, or health advice. Consult a licensed healthcare provider before starting, stopping, or combining any supplement, especially if you are pregnant, nursing, take prescription medication, or have a medical condition.

Read our methodology , how this data is sourced, computed, and verified.

Every figure on PlainVitamins is rendered directly from the NIH Dietary Supplement Label Database (DSLD), no number is typed in by an editor. Ingredient figures are computed directly from the NIH DSLD, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.