Both vitamins contribute to:
- the normal function of the immune system*
- the protection of cells from oxidative stress*
- the normal formation of collagen for the normal function of blood vessels, bones, cartilage, skin, gums, and teeth*
- the normal energy-yielding metabolism*
- the normal function of the nervous system*
- the normal psychological function*
- the reduction of tiredness and fatigue*
- the regeneration of the reduced form of vitamin E*
- the increase of iron absorption*
*Official claims of the European Food Safety Authority (EFSA).