Vitamine D esalisaka misopo na yo kozwa calcium mpe phosphate, ba minéraux oyo etongaka mpe ebatelaka mikuwa mpe mino makasi. Esalisaka mpe misisa esala malamu mpe ezali na mosala na système immunitaire (makasi ya nzoto mpo na kobunda na maladi).
Loposo na yo esalaka vitamine D soki ekutani na moi (rayons UVB), mpe mwa moke ewutaka na bilei. Libale (foie) ebongolaka yango na 25-hydroxyvitamine D, oyo nde examen ya makila emekaka, pamba te elakisaka stock na yo ya poso mwa moke oyo eleki. Na nsima mafigi (reins) esalaka forme oyo esalaka mosala.
Vitamine D2 mpe D3 nyonso mibale ematisaka taux na yo; D3 (cholécalciférol), oyo loposo na yo esalaka, ematisaka yango mwa koleka mpe eumelaka mwa koleka. Mbala mingi bakomaka examen lokola vitamine D 25-OH, vitamine D totale to examen ya vitamine D3.



