Vitamin B1 (thiamine) in food supplements
7,619 supplements declared in France contain a form of this nutrient
Vitamin B1: in France, the maximum dose set in 2006 was annulled by the Conseil d'État in 2011.
Order of 9 May 2006, Annex III. French orders of 9 May 2006 and 14 November 2006 as published in the Official Journal (maximum daily doses), retrieved 21 October 2026.
EFSA, Overview on Tolerable Upper Intake Levels (version 11, August 2025), retrieved 21 October 2026.
In plain words
À quoi il sert, selon les fabricants
Objectifs les plus souvent annoncés pour les compléments qui en contiennent (vitamine B1 (thiamine)) : immunité (1046 produits), sport (823 produits), système nerveux (817 produits), antioxydant (492 produits), cheveux et ongles (438 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.
La règle en France
La dose maximale par complément que fixait l'arrêté du 9 mai 2006 a été annulée par le Conseil d'État en 2011 : aucun plafond chiffré par arrêté ne s'applique aujourd'hui en France à ce nutriment. Le fabricant reste responsable de la sécurité de son produit.
French orders of 9 May 2006 and 14 November 2006 as published in the Official Journal (maximum daily doses), retrieved 21 October 2026.
EFSA safety references
Le repère de l'EFSAEuropean Food Safety Authority. porte sur l'apport total d'une journée, alimentation et compléments.
| Population | Type | Value |
|---|---|---|
| all populations | Upper limit | no limit (insufficient data) |
SCF, 2001c. EFSA, Overview on Tolerable Upper Intake Levels (version 11, August 2025), retrieved 21 October 2026.
Maximum dose in France
The Order of 9 May 2006 set a maximum daily dose of 4.2 mg per product. The Council of State annulled this dose on 27 April 2011 (Decision No 295235): it no longer applies.
Order of 9 May 2006, Annex III. French orders of 9 May 2006 and 14 November 2006 as published in the Official Journal (maximum daily doses), retrieved 21 October 2026.
Health claims
6 refused or revoked claims: they cannot appear on packaging
- « Necessary for healthy teeth, bones, hair, skin and nails. »
Reason: Non-compliance with the Regulation because on the basis of the scientific evidence assessed, this claimed effect for this food has not been substantiated. - « Necessary for healthy teeth, bones, hair, skin and nails. »
Reason: Non-compliance with the Regulation because on the basis of the scientific evidence assessed, this claimed effect for this food has not been substantiated. - « Necessary for healthy teeth, bones, hair, skin and nails. »
Reason: Non-compliance with the Regulation because on the basis of the scientific evidence assessed, this claimed effect for this food has not been substantiated. - « Necessary for healthy teeth, bones, hair, skin and nails. »
Reason: Non-compliance with the Regulation because on the basis of the scientific evidence assessed, this claimed effect for this food has not been substantiated. - « Necessary for healthy teeth, bones, hair, skin and nails. »
Reason: Non-compliance with the Regulation because on the basis of the scientific evidence assessed, this claimed effect for this food has not been substantiated. - « Necessary to maintain energy and general vitality »
Reason: Non-compliance with the Regulation because on the basis of the scientific evidence assessed, this claimed effect for this food is not sufficiently defined to be able to be assessed and the claim could not therefore be substantiated.
Official English text, as entered in the Union register. A claim may only be used under its conditions.
0 authorised claims, 6 refused or revoked. EU Register of nutrition and health claims, retrieved 21 October 2026.
Forms declared in supplements
Union list: vitamin and mineral forms that may be used in a food supplement (Directive 2002/46/EC, Annex II).
Directive 2002/46/EC on food supplements, latest consolidated version (Annex II: forms of vitamins and minerals), retrieved 23 October 2026.
- Chlorhydrate de thiamine 6,106 products on the Union list
- Mononitrate de thiamine 1,444 products on the Union list
- Chlorure de thiamine pyrophosphate 40 products on the Union list
- Chlorure de thiamine monophosphate 39 products on the Union list