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Amino acid · Supplement ingredient

hydroxyproline

hydroxyproline is listed on 46 U.S. supplement product labels in the NIH DSLD, #1,128 of 4,614 by label frequency.

46
Products
#1,128 of 4,614
By frequency

How common is hydroxyproline?

Number of supplement labels listing hydroxyproline vs nearby amino acid ingredients

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

Products containing hydroxyproline

Advanced Collagen Peptides Unflavored
ForestLeaf
28 ingredients · Amino acid/Protein
On Market
Amino 2400 Wild Cherry
MET-Rx
28 ingredients · Amino acid/Protein
On Market
Amino Acid Complex
Indiana Botanic Gardens
30 ingredients · Other Combinations
On Market
Aminotropic Fuel
Vitamin World
33 ingredients · Other Combinations
On Market
Children's Vita-Multi Mango Flavor
Mountain Meadow Herbs Kids
91 ingredients · Other Combinations
On Market
Collagen Bone Hydrolysate Unflavored
Great Lakes Gelatin
26 ingredients · Amino acid/Protein
On Market
Collagen Drink
Higher Nature
4 ingredients · Amino acid/Protein
On Market
Collagen Hydrolysate Apple + Cucumber Flavored
Great Lakes Gelatin Co.
30 ingredients · Amino acid/Protein
On Market
Collagen Peptides Natural Unflavored
FREZZOR
55 ingredients · Other Combinations
On Market
Collagen Pure Unflavored
Opportuniteas
26 ingredients · Amino acid/Protein
On Market
Hardcore Amino 3000
MET-Rx
34 ingredients · Amino acid/Protein
On Market
Hydrolyzed Protein Collagen Decadent Chocolate
Body Kitchen
36 ingredients · Amino acid/Protein
On Market
Hydrolyzed Protein Collagen Decadent Chocolate
Body Kitchen
36 ingredients · Amino acid/Protein
On Market
Liquid Amino Acids
Wonder Laboratories
33 ingredients · Amino acid/Protein
On Market
Mushroom Coffee+
Everyday Dose
28 ingredients · Other Combinations
On Market
Mushroom Matcha+
Everyday Dose
28 ingredients · Other Combinations
On Market
Natural Skin Formula
SuperSmart
17 ingredients · Other Combinations
On Market
Pork Gelatin Unflavored
Great Lakes Gelatin
26 ingredients · Amino acid/Protein
On Market
Pro-Shake 19 Natural Vanilla Protein Powder
Douglas Laboratories
55 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Sheer Collagen Peptides Unflavored
Sheer Strength Labs Platinum Series
24 ingredients · Amino acid/Protein
On Market
Amino Multi Complex
New Sun
36 ingredients · Amino acid/Protein
Off Market
Children's Vita-Multi Mango Flavor
Mountain Meadow Herbs Kids
92 ingredients · Other Combinations
Off Market
Collagen Hydrolysate Lemon + Lime Flavored
Great Lakes Gelatin Co.
34 ingredients · Amino acid/Protein
Off Market
Collagen Hydrolysate Mixed Berry Flavored
Great Lakes Gelatin Co.
32 ingredients · Amino acid/Protein
Off Market
Collagen Hydrolysate Pure Unflavored Protein
Great Lakes Gelatin Co.
26 ingredients · Amino acid/Protein
Off Market
Collagen Hydrolysate Unflavored
Great Lakes Gelatin Co.
26 ingredients · Amino acid/Protein
Off Market
Collagen Hydrolysate Vanilla Flavored
Great Lakes Gelatin Co.
30 ingredients · Amino acid/Protein
Off Market
Hi-Test Amino Liquid Wild Cherry
MET-Rx
28 ingredients · Amino acid/Protein
Off Market
High Plains Collagen Hydrolysate
Swanson Premium Brand
22 ingredients · Amino acid/Protein
Off Market
High Plains Collagen Hydrolysate Powder
Swanson
22 ingredients · Amino acid/Protein
Off Market
Light Yellow Oval Tablet Amino Acid
Bronson
29 ingredients · Amino acid/Protein
Off Market
Liquid Aminos
Precision Engineered
27 ingredients · Other Combinations
Off Market
Liquid Aminos
Good 'N Natural
27 ingredients · Amino acid/Protein
Off Market
Liquid Aminos Wild Cherry Flavor
Good 'N Natural
27 ingredients · Amino acid/Protein
Off Market
Perfect Hydrolyzed Collagen
Perfect Supplements
26 ingredients · Amino acid/Protein
Off Market
Perfect Hydrolyzed Collagen
Perfect Supplements
26 ingredients · Amino acid/Protein
Off 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 hydroxyproline vs Leucine →

Frequently asked about hydroxyproline

How many supplement products contain hydroxyproline?
46 supplement product labels in the NIH DSLD currently lists hydroxyproline as an ingredient. By label frequency it ranks #1,128 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.

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.