On Wednesday 10 June 2026, it will not be possible to book an appointment at the reception desk or for a video call with the Guichet.lu Helpdeskuntil approximately 14.00, due to an update to the MyGuichet.lu assistant. Thank you for your understanding.

You can still go to the reception desk in person without an appointment, and the Helpdesk will remain available by phone and via the contact form.

Food supplements

Food whose purpose is to supplement the normal diet and contain, alone or combined, concentrated sources of nutrients (vitamins and minerals) or other substances with a nutritional or physiological effect.

Food supplements are marketed in dose form and can be:

  •  capsules;
  •  lozenges;
  •  tablets;
  •  pills;
  •  powder;
  •  vials;
  •  drop dispensing bottles and other similar forms of preparations intended to be taken in small volume measured units.

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