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
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.
- NCT00840047 : Methionine PET/CT Studies In Patients With Cancer
ACTIVE_NOT_RECRUITING · PHASE2 · Brain Tumors and/or Solid Tumors Including, Brain Stem Glioma, High Grade CNS Tumors, Ependymoma, Medulloblastoma, Craniopharyngioma, Low Grade CNS Tumors, Hodgkin Lymphoma, Non Hodgkin Lymphoma, Ewing Sarcoma, Osteosarcoma, Rhabdomyosarcoma, Neuroblastoma, Other · 2026-06-17 · Methionine
Searched on 1 November 2026.
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.
Ministry of Health Malaysia / NPRA, Pharmaceutical Products, CC BY 4.0
Declared daily quantities
| Unit | Products | Median | Minimum | Maximum |
|---|---|---|---|---|
| mg | 257 | 137.5 | 0.1755 | 1,800 |
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
- L-Méthionine 1500mg Vitamintrend, gélule, declared in 2021
- L-Méthionine 500 mg 60 Gélules PROZIS, gélule, declared in 2022
- L-Méthionine 500mg Fairvital, gélule, declared in 2022
- L-Méthionine 500mg Warnke Vitalstoffe, gélule, declared in 2021
- L-Méthionine 500mg Fair & Pure, gélule, declared in 2021
- L-Méthionine, 500mg Now Foods, capsule, declared in 2021
- L-PROTEIN CHOCOLATE FLAVOUR poudre, declared in 2025
- L-méthionine 500 gélule, declared in 2025
- LAMES & TRADITION gélule, declared in 2017
- LAZAMIN Cevrai, gélule, declared in 2019
- LE COMPLEMENT CHEVEUX PARFAIT JOONE PARIS, gélule, declared in 2021
- LE COMPLÉMENT/ alimentaire chute de cheveux JOONE PARIS, gélule, declared in 2022
- LEVIFER HCF LABORATORIOS, capsule, declared in 2018
- LIPO BURN NUTRYTEC, capsule, declared in 2017
- LIPOPHEDRINE gélule, declared in 2023
- LIPOTEC POWER NUTRYTEC, flacon, flavour pomme verte, declared in 2017
- LIPOTEC POWER NUTRYTEC, flacon, flavour lime citron, declared in 2017
- LIPOTROPIC comprimé, declared in 2017
- LIPOXYNE ERIC FAVRE LABORATOIRE, gélule, declared in 2021
- LITHA gélule, declared in 2022
- LIV + PRO IO GENIX, capsule, declared in 2023
- LIVER PRO NUTRYTEC, capsule, declared in 2017
- LONG & BEAUTY gélule, declared in 2017
- LPM-PHYTO gélule, declared in 2021
- LUXEOL EPAISSISSANT LUXEOL, gélule, declared in 2025
- La Chevelure gélule, declared in 2024
- La Formule Précise - The Precise Formula Hair Full Cycle, gélule, declared in 2022
- La base comprimé, declared in 2022
- Le Programme Intégral by SISLEY, autre : gélule et capsule molle, declared in 2024
- Le convertisseur monapure, gélule, declared in 2024
- Lipi Top gélule, declared in 2017
- Lipidix gélule, declared in 2020
- Lipidrol Amix nutrition, capsule, declared in 2018
- Lipitop active gélule, declared in 2017
- Liposomal Multi Amino Codeage, gélule, declared in 2026
- Lipotrop Sanas, gélule, declared in 2025
- Liver Aid All Sports Labs, gélule, flavour aucun, declared in 2024
- Liver Aid BiotechUSA, comprimé, declared in 2022
- Liver Healthy gélule, declared in 2021
- Liver Refresh Now Foods, capsule, declared in 2023
- Liver Support Formula SuperSmart, gélule, declared in 2025
- Liver Tonic gélule, declared in 2025
- Liver care HT Eiyolab, gélule, declared in 2021
- Liver detox Nutrilife, gélule, declared in 2024
- Liver health Formula GNC, capsule, declared in 2019
- Livercare HealthAid, comprimé, declared in 2019
- Longer Lashes Nails Hair Call me sweet, gélule, declared in 2020
- Luxéol Chute de cheveux réactionnelle, gélule Luxéol, gélule, declared in 2025
- Luxéol Chute de cheveux réactionnelle, gélule Luxéol, gélule, declared in 2021
- Luxéol Complexe Kératine Luxéol, gélule, declared in 2024
- Luxéol Spécial Volume Luxéol, capsule, declared in 2022
- M.A.P HX NUTRITION, poudre, declared in 2022
- M.A.P HX NATURE, poudre, declared in 2022
- M.A.P IO GENIX, poudre, flavour watermelon, declared in 2021
- M.A.P IO GENIX, poudre, flavour citric lemonade, declared in 2020
- M.A.P IO GENIX, poudre, flavour raspberry, declared in 2020
- M.A.P ESSENTIAL AMINOX PREMIUM HIDROLIZED OPTIPEP X-UP NUTRITION, autre : tablette, declared in 2017
- M.A.P. IO GENIX, poudre, flavour mango, declared in 2024
- M.A.P. IO GENIX, poudre, flavour strawberry mojito, declared in 2024
- M.A.P. IO GENIX, poudre, flavour green apple, declared in 2021