Tryptophane in food supplements
1,711 supplements declared in France contain Tryptophane as a substance or active ingredient.
Other names in the Compl'Alim list: L-5-Hydroxytryptophane, 5-Hydroxytryptophane.
Compl'Alim declarations. Compl'Alim, food supplement declarations (France), retrieved 23 October 2026.
What health agencies say
An opinion says what the agency recommends; it is not a rule binding on the product.
BfR states that taking L-tryptophan on its own can impair the ability to drive. The warning cited concerns intakes of 1 000 to 2 000 mg per day.
In plain words
À quoi il sert, selon les fabricants
Objectifs les plus souvent annoncés pour les compléments qui en contiennent (Tryptophane) : sport (427 produits), sommeil (334 produits), système nerveux (197 produits), humeur (153 produits), immunité (39 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 and flagged as a novel food.
Compl'Alim, reference list of ingredients, retrieved 21 October 2026.
Canada, licensed natural health products (LNHPD): 342 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)
Declared daily quantities
| Unit | Products | Median | Minimum | Maximum |
|---|---|---|---|---|
| mg | 523 | 157 | 0.009 | 3,000 |
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
- SOMMEIL 30' MELATONINE DIET HORIZON, comprimé, withdrawn from the market
- SOMMEIL MELATONINE 1 mg comprimé, withdrawn from the market
- SOMNIFEN comprimé, withdrawn from the market
- SOMNIPHYT 30 MELATONINE SANTE VERTE, comprimé, withdrawn from the market
- SOMNIPHYT 30' MELATONINE SANTE VERTE, comprimé, withdrawn from the market
- SOMNIPHYT TOTAL NUIT 1mg SANTE VERTE, comprimé, withdrawn from the market
- SOMNIPHYT TOTAL NUIT 1mg SANTE VERTE, comprimé, withdrawn from the market
- SPRAY BUCCAL MELATONINE spray, withdrawn from the market
- STRESS WELL PHARMA, gélule, withdrawn from the market
- Serenium Physionat, bâton / batônnet / stick, flavour cacao, withdrawn from the market
- Sleep BiotechUSA, gélule, withdrawn from the market
- Slimregul gélule, withdrawn from the market
- Sommeil Physioactive, gélule, withdrawn from the market
- Somniregul comprimé, withdrawn from the market
- SÉRÉNITÉ MEDILAB, gélule, withdrawn from the market
- TRYPTO 1000 gélule, withdrawn from the market
- TRYPTO 220 gélule, withdrawn from the market
- TRYPTOPHANE+ ZINC et VITAMINES B3 et B6 gélule, withdrawn from the market
- TRYPTOPHANE, VITAMINE B6 & MÉLATONINE gélule, withdrawn from the market
- VITAL PERFORMANCE POST poudre, flavour yuzu clementine, withdrawn from the market
- VITAL PERFORMANCE POST poudre, flavour watermelon berry, withdrawn from the market
- VITAL PERFORMANCE POST poudre, flavour lemon grape, withdrawn from the market
- ZENIREL Santarel, gélule, withdrawn from the market
- ZENIREL Laboratoire Santarel, gélule, withdrawn from the market
- Zen gélule, withdrawn from the market
- Zen Expert D.Plantes, bâton / batônnet / stick, flavour abricot, cerise, withdrawn from the market
- Zen Expert Nut Direct Plantes, bâton / batônnet / stick, flavour cerise et abricot, withdrawn from the market
- Zero EAA PROZIS, poudre, flavour citron-citron vert, withdrawn from the market
- Zero EAA PROZIS, poudre, flavour mangue-pêche, withdrawn from the market
- Zzzz... - Pour Mieux Dormir PROZIS, comprimé, flavour cerise, withdrawn from the market
- nutrisom nutrisom, comprimé, withdrawn from the market