Vitamine ni ingaburo z’ingenzi ku mubiri w’umuntu, ni ingaburo z’ibinyabuzima zironka mu vyo kurya. Bifise uruhara runini mu gukura kw’umuntu, mu gutera imbere no mu guhindura ibiribwa, kandi ni ibintu bihambaye bikora mu kubungabunga amagara. Ubukene burashobora kugira ico bukoze ku buzima. Ariko rero, amavitamine ntashobora gufatwa igihe kirekire-. Nk’akarorero, amavitamine asanzwe nka vitamine C, vitamine E na vitamine B ntabwo umuntu akwiye kuyinywa birenze urugero. Gufata cane amavitamine birashobora gutuma umuntu agira ingaruka mbi, bigatuma umuntu agira ingaruka mbi zitandukanye. Nk’akarorero, gukoresha vitamine igihe kirekire-bishobora gutuma umuntu agira urate, oxalate, n’amabuye yo mu mafyigo, hamwe n’ukudatekana nk’ugucika intege, kumeneka umutwe, gusesa amaraso, no gusesa amaraso. Ku bw’ivyo, umuntu akwiye kubikoresha bivanye n’ivyo akeneye kandi akayoborwa n’umuganga.
Kuba amavitamine menshi ashobora gufatwa igihe kirekire-bivana n’umurwayi ku giti ciwe. Iyo umurwayi afise ubukene bwa vitamine igihe kirekire-, gukoresha igihe kirekire-birashoboka. Ariko rero, ku bantu bafise amagara meza, gukoresha igihe kirekire-ntivyiza. Mu buryo bwihariye:
1. Bishobora gufatwa igihe kirekire-? Iyo umubiri ubuze amavitamine menshi, gufata amavitamine menshi birashobora kwongereza amavitamine abuze, ivyo bikaba bifise ingaruka nziza zo kuvura abarwayi bafise ubukene bw’amavitamine igihe kirekire-.
2. Ntibikwiye gukoreshwa igihe kirekire-. Abantu benshi bafise amagara meza baronka amavitamine mu vyo barya mu buzima bwabo bwa misi yose. Izo vitamine zihuza n’ivyo umubiri ukeneye mu buryo busanzwe kandi ntizisaba ko umuntu azinywa cane. Gufata igihe kirekire-bishobora gutuma umuntu agira ubumara bwa vitamine, bukagira nabi umubiri. Vitamine nyinshi na zo nyene zifatwa nk’imiti kandi muri rusangi ntizikenewe gukoreshwa igihe kirekire-; bikwiye gufatwa ata gufyina nk’uko umuganga abitegetse.
Mu mpanuro y’umuganga, gufata vitamine zikwiye kuba zibereye. Irinde gufata canke gufata amavitamine menshi cane ata co uzi. Gumana ibiribwa bitandukanye, ufungure inyama n’imboga bibereye, kandi wirinde guhitamwo ivyo kurya, gufata ibiribwa bitari vyiza be n’izindi ngeso mbi. Vitamine zihagije zizotuma umubiri uronka ivyo ukeneye mu buryo busanzwe kugira ngo ubeho neza.