CompoAtlas

Hydroxyproline in food supplements

75 supplements declared in France contain Hydroxyproline as a substance or active ingredient.

Other names in the Compl'Alim list: hydroxyproline.

Compl'Alim declarations. Compl'Alim, food supplement declarations (France), retrieved 23 October 2026.

What we know about this ingredient

Use classification

  • Cosmetics -> Hair conditioning; Skin conditioning; Antistatic; Surfactant

PubChem : NORMAN Suspect List Exchange · 2026-10-29 · S13 | EUCOSMETICS | Combined Inventory of Ingredients Employed in Cosmetic Products (2000) and Revised Inventory (2006) | DOI:10.5281/zenodo.2624118.

Licence.

A molecule found naturally in plants or organisms; in a supplement it may be extracted from them, made by fermentation or synthesised: the declaration does not say which.

Basis: one CosIngThe European Commission's database of cosmetic ingredients. CAS and natural occurrence recorded in Wikidata (LOTUS database).

Wikidata: names of substances in six languages and taxa in which they occur (largely from the LOTUS database), retrieved 23 October 2026.

Natural occurrence recorded in Wikidata (LOTUS database): 12 taxa; examples: Helianthus annuus, Oryza sativa, Capsicum annuum, Glycine max, Prunus domestica.

Wikidata: names of substances in six languages and taxa in which they occur (largely from the LOTUS database), retrieved 23 October 2026.

Other names: trans-4-hydroxy-L-proline zwitterion (English), (4R)-4-Hydroxy-L-prolin (German), Hidroxiprolina (Spanish), Idrossiprolina (Italian), Hidroxiprolina (Portuguese).

Wikidata: names of substances in six languages and taxa in which they occur (largely from the LOTUS database), retrieved 23 October 2026.

Same substance in cosmetics: HYDROXYPROLINE.

In plain words

À quoi il sert, selon les fabricants

Objectifs les plus souvent annoncés pour les compléments qui en contiennent (Hydroxyproline) : peau (22 produits), articulations (17 produits), cheveux et ongles (10 produits), os (9 produits), antioxydant (8 produits).

Ce sont les objectifs déclarés par les fabricants à l'administration, pas des effets démontrés. Sur l'emballage, seules les allégations de santé autorisées par l'Union peuvent être écrites.

Compl'Alim, food supplement declarations (France), retrieved 23 October 2026.

What the registers say, country by country

Each line repeats what an official register says on the date it was consulted. Not being in a register means neither allowed nor banned.

Compl'Alim ingredient list (France): listed.

Compl'Alim, reference list of ingredients, retrieved 21 October 2026.

United States, supplement labels (DSLD; supplements need no prior approval): 18 products.

Dietary Supplement Label Database (DSLD), US National Institutes of Health: current and off-market labels, retrieved 27 October 2026.

Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (CC0); US market labels.

Declared daily quantities

Declared daily quantities: Hydroxyproline
UnitProductsMedianMinimumMaximum
mg3186182,430

Calculated from Compl'Alim declarations that provide a quantity. These are quantities declared by manufacturers, not measurements, and preparation is not distinguished (powder, extract of varying concentration): differences between products can be very large.

Products