Kératine in food supplements
246 supplements declared in France contain Kératine as a substance or active ingredient.
Other names in the Compl'Alim list: keratin.
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 (Kératine) : cheveux et ongles (188 produits), peau (27 produits), antioxydant (2 produits), articulations (1 produit), os (1 produit).
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): 38 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
| Unit | Products | Median | Minimum | Maximum |
|---|---|---|---|---|
| mg | 59 | 300 | 10 | 10,900 |
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
- Kératine Cuure, gélule, withdrawn from the market
- Kératine + gélule, withdrawn from the market
- PRO KERACYS CHEVEUX GUMMIES 4 EN 1 GRANIONS, gomme, flavour fruits des bois, withdrawn from the market
- R CAPS CHUTE CLINERIENCE, comprimé, withdrawn from the market
- TOTAL CHEVEUX & ONGLES DIET HORIZON, comprimé, withdrawn from the market
- Vita Hair + gélule, withdrawn from the market