Klinische betekenis van extra vitaminen uit supplementen en verrijkte voedingsmiddelen [Clinical importance of extra vitamins from supplements and enriched foodstuffs]

-Consumers increasingly use vitamin supplements. Also, since June 1996, foodstuffs enriched with vitamins are available on the Dutch market. -These sources of extra vitamins may be useful for groups at risk for marginal vitamin deficiencies. -These risk groups include the chronically ill (e.g. diabetics), people using medicaments, older people...