CompoAtlas

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.

BfR, opinion of 17 September 2024, 042/2024.

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

Declared daily quantities: Tryptophane
UnitProductsMedianMinimumMaximum
mg5231570.0093,000

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