Cystéine in food supplements
397 supplements declared in France contain Cystéine as a substance or active ingredient.
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 (Cystéine) : cheveux et ongles (136 produits), sport (39 produits), peau (30 produits), antioxydant (18 produits), détoxifiant / draineur (18 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): 1 product.
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): 116 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: 2 products.
NPRA, Malaysian pharmaceutical products register, retrieved 27 October 2026.
Ministère de la santé de Malaisie / NPRA, Pharmaceutical Products, CC BY 4.0
Declared daily quantities
| Unit | Products | Median | Minimum | Maximum |
|---|---|---|---|---|
| mg | 79 | 170 | 3.9 | 2,000 |
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
- KERATINE FORTE 900 mg gélule, declared in 2024
- KERATINE PLUS VIE & NUTRITION, gélule, declared in 2016
- Kailuxe BioEssentials, gélule, declared in 2026
- Keranails gélule, declared in 2021
- Keraton Ongles gélule, declared in 2023
- Kollagen Booster Vegan Redcare, autre : sachet, flavour saveur de baies, declared in 2026
- KÉRATINE SYSNAT, gélule, declared in 2025
- Kératine + Onatera, gélule, declared in 2026
- Kératine + Onatera, gélule, declared in 2024
- L-CYSTEINE gélule, declared in 2022
- L-CYSTEINE SFB, gélule, declared in 2020
- L-CYSTEINE EQUI-NUTRI SCRL, gélule, declared in 2017
- L-CYSTEINE EQUILIBRE PREMIUM gélule, declared in 2025
- L-CYSTÉINE 500 gélule, declared in 2025
- L-Cysteine, 500mg NOW Foods, comprimé, declared in 2026
- L-Glutathion RAYONNE PROCOSMETICS, gélule, declared in 2025
- L-cysteine Hanoju, gélule, declared in 2017
- L-cystéine 600 mg Bonusan, gélule, declared in 2021
- LAZAMIN Cevrai, gélule, declared in 2019
- LEVIFER HCF LABORATORIOS, capsule, declared in 2018
- LIPOPHEDRINE gélule, declared in 2023
- LIPOXYNE ERIC FAVRE LABORATOIRE, gélule, declared in 2021
- LONG & BEAUTY gélule, declared in 2017
- LPM-PHYTO gélule, declared in 2021
- LR Lifetakt 5in1 Men's Shot LR Lifetakt, ampoule, declared in 2020
- LUZZID RECOVERY LUZZID, gélule, declared in 2025
- La Chevelure gélule, declared in 2024
- Le Programme Intégral by SISLEY, autre : gélule et capsule molle, declared in 2024
- Le convertisseur monapure, gélule, declared in 2024
- Liposomal Multi Amino Codeage, gélule, declared in 2026
- Livercare HealthAid, comprimé, declared in 2019
- MAXI BIOTINE gélule, declared in 2020
- MAXI BOOSTER PHYT +, gélule, declared in 2017
- MAXI Brûleur PHYT +, gélule, declared in 2017
- MEGABUMIN New gélule, declared in 2021
- MINCINOV EXTRA FORT gélule, declared in 2024
- MONSTER BEARD gélule, declared in 2019
- MRYKL - 8 capsules gélule, declared in 2025
- MY HAIR&NAILS gomme à mâcher, flavour fruits des bois, declared in 2022
- MYRKL - 25 sachets gélule, declared in 2025
- MYRKL Live Culture Food Supplement, 30 Capsules capsule, declared in 2023
- MYRKL Live Culture Food Supplement, 30 Capsules capsule, declared in 2022
- Mane Event – Refills Mane Event®, gélule, declared in 2026
- Maturovo Nutritys, gélule, declared in 2023
- MaxATP Max International, bâton / batônnet / stick, declared in 2017
- MaxOne MAX INTERNATIONAL, gélule, declared in 2017
- Milk Thistle Complex HealthAid, comprimé, declared in 2019
- Multi Nutri Max New Roots Herbal, capsule, declared in 2023
- MultiMega SPORT comprimé, declared in 2026
- Méthionine + Cystéine GreenFood Nutrition, gélule, declared in 2024
- NATHYREL FORCE DU CHEVEU comprimé, declared in 2021
- NATURAL HAIR BOOSTER PLUS gélule, declared in 2018
- Nail boost gélule, declared in 2025
- Nouvelle vague APNEE, gélule, declared in 2025
- NutraHair LBN, gélule, declared in 2017
- OCARE ANTI-AGE & BEAUTE poudre, declared in 2024
- OCP gélule, declared in 2020
- OPTIMAL HAIR gélule, declared in 2018
- OXYFORM DETOX gélule, declared in 2026
- Olliphane Olliscience, gélule, declared in 2017