CompoAtlas

Méthionine in food supplements

1,729 supplements declared in France contain Méthionine as a substance or active ingredient.

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

What we know about this ingredient

Use classification

  • EPA Safer Chemical Functional Use Classes -> Enzymes and Enzyme Stabilizers

  • Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern

  • Cosmetics -> Skin conditioning; Hair conditioning; Antistatic

PubChem : EPA Safer Choice · 2026-10-29 · https://www.epa.gov/saferchoice/safer-ingredients.

Licence.

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): 8 taxa; examples: Saccharomyces cerevisiae, Arabidopsis thaliana, Chlamydomonas reinhardtii, Caenorhabditis elegans, Daphnia magna.

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

Associated research

ClinicalTrials.gov · A trial is not proof: it tests a hypothesis.

2026-11-01

Other names: DL-méthionine (French), DL-methionine (English), DL-Methionin (German), metionina (Spanish), metionina (Italian), Metionina (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: METHIONINE.

In plain words

À quoi il sert, selon les fabricants

Objectifs les plus souvent annoncés pour les compléments qui en contiennent (Méthionine) : cheveux et ongles (489 produits), sport (471 produits), peau (74 produits), détoxifiant / draineur (53 produits), antioxydant (51 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.

Health claims register (European Union): 0 authorised and 1 refused claim(s) for this substance.

EU Register of nutrition and health claims, retrieved 21 October 2026.

Compl'Alim ingredient list (France): listed.

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

Canada, licensed natural health products (LNHPD): 43 products.

Licensed Natural Health Products Database (LNHPD), Health Canada: licensed products, ingredients, doses, uses and risks, retrieved 27 October 2026.

Contains information licensed under the Open Government Licence – Canada (Health Canada, LNHPD)

Licence du gouvernement ouvert – Canada 2.0 (OGL-Canada 2.0)

United States, supplement labels (DSLD; supplements need no prior approval): 530 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.

Malaysia, registered products: 4 products.

NPRA, Malaysian pharmaceutical products register, retrieved 27 October 2026.

Ministère de la santé de Malaisie / NPRA, Pharmaceutical Products, CC BY 4.0

CC BY 4.0

Declared daily quantities

Declared daily quantities: Méthionine
UnitProductsMedianMinimumMaximum
mg257137.50.17551,800

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