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.