Dietary supplements contain plant extracts, vitamins, minerals and other substances that may be of interest in cases of nutritional deficiency. However, by definition, food supplements cannot claim therapeutic effects. Moreover, no claims referring to stress or acne have been authorized by the European authorities.

For further information, we recommend that you consult :

- The Santé Publique France website, and its stress-related documents

And on specific themes:

- On generalized anxiety disorders: the reference site anxiete.fr
- On stress and work: the INRS (Institut national de recherche et de sécurité) website
- On symptoms and solutions for managing stress: the Fédération Française de Cardiologie website