CompoAtlas

L-cystine in food supplements

688 supplements declared in France contain L-cystine as a substance or active ingredient.

Declarations also use the name: Cystine. Separate page, as the form (L or D) is not always stated.

Other names in the Compl'Alim list: L-cystin.

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

In plain words

À quoi il sert, selon les fabricants

Objectifs les plus souvent annoncés pour les compléments qui en contiennent (L-cystine) : cheveux et ongles (457 produits), peau (64 produits), antioxydant (39 produits), sport (18 produits), immunité (10 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.

Canada, licensed natural health products (LNHPD): 32 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): 28 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: 15 products.

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

Ministry of Health Malaysia / NPRA, Pharmaceutical Products, CC BY 4.0

CC BY 4.0

Poland, notified supplements: 2 products.

GIS, products notified in Poland, retrieved 27 October 2026.

Główny Inspektorat Sanitarny (GIS), Rejestr produktów objętych powiadomieniem

CC BY 4.0

Taiwan, registered products: 12 products.

TFDA, Taiwan tablets, capsules and medical nutrition registers, retrieved 27 October 2026.

Taiwan Food and Drug Administration (TFDA), Open Government Data License, version 1.0

Open Government Data License, version 1.0

Products