25-OH-VD Igikoresho cyo Kugerageza

Vitamine D ni ubwoko bukomoka kuri sterol ikomoka ku binure, kandi ibiyigize ni vitamine D2 na vitamine D3, zikaba ari ibintu by'ingenzi ku buzima bw'abantu, gukura no gutera imbere.Kubura cyangwa kurenza urugero bifitanye isano rya bugufi n'indwara nyinshi, nk'indwara zifata imitsi, indwara z'ubuhumekero, indwara z'umutima n'imitsi, indwara z'umubiri, indwara z'impyiko, indwara zifata ubwonko n'ibindi.Mu bantu benshi, vitamine D3 ituruka ahanini kuri synthesis ya Photochemicals mu ruhu munsi yizuba, mugihe vitamine D2 ituruka mubiribwa bitandukanye.Byombi byahinduwe mu mwijima kugirango bibe 25-OH-VD hanyuma birusheho guhinduranya impyiko bikora 1,25-OH-2D.25-OH-VD nuburyo nyamukuru bwo kubika vitamine D, bingana na 95% bya VD yose.Kubera ko ifite kimwe cya kabiri cyubuzima (ibyumweru 2 ~ 3) kandi ntigire ingaruka kumaraso ya calcium yamaraso hamwe na hormone ya tiroyide, bizwi nkikimenyetso cyintungamubiri za vitamine D.