IiVithamini kufuneka zilawulwe imihla ngemihla ngokusebenza ngokuqhelekileyo. Ziyakwazi ukufunyanwa kwimveliso yokutya kunye nakwamachiza asetyenziswe kwiibhubhoratri.
Ngaba iivithamini ezenziwayo zisebenzisayo?
Iingxabano kwesi sihloko asiyekanga iminyaka emininzi. Ezinye iingcali zithi "ikhemistri" ayinakunceda umzimba, kanti abanye bakholelwa okuchaseneyo. Kukho uluvo lokuba iivithamini ezenziwayo, ezixhomekeke ekuhlanjululeni okunzulu, zisebenza kakuhle kwaye zibhetele ngakumbi emzimbeni. Iingenelo ziquka ukuba yonke imithombo ekhoyo yokupheliswa kwamanzi isuswa ngokupheleleyo kwisiza.
Kubantu abaninzi, ulwazi malunga neenzuzo kunye neentlungu zamavithamini zokwenziwa akukaziwa. Ukungazi okunjalo kunokubangela iingxaki ezinzulu, njengoko iimvavanyo zamva nje zenze iziphumo ezinomtsalane - ukusetyenziswa ngokugqithiseleyo kweivithamini ezinobungozi kuyingozi kwaye kubangela ukunciphisa ubomi, oku akusebenzi kwimvelo. Izinto zokwenza izinto ezinokusetyenziswa ixesha elide zikhokelela ekubeni umzimba uyayeka ngaphandle kokunceda ukulwa neentsholongwane kunye nezifo. Ukusetyenziswa ngokweqile kwe-vitamin A kubangela ukuphuhliswa kwezifo zesibindi kunye neentloko. Isixa esikhulu sevithamini D singabangela iingxaki zezintso neentliziyo, kwaye ubuninzi be-vitamin E buchaphazela kakubi isisu kwaye lukhokelela kwisisu. Ngokuqhelekileyo, iivithamini zokwenziwa zingadliwa, kodwa zibalethe kuphela kwaye zibeke umlinganiselo xa kufuneka ugqirha.
Ukwahlula phakathi kwamavithamini okwenziwa kunye nendalo kubangelwa ukuba, njengokuba kunjalo, "ngaphandle" kwaye imvelo ingawaqonda kuphela ngoncedo lwezinye izinto. Ezinye iivithamini azifunyanwanga okanye ziqokelelwe, okanye zithathwa ngokwemvelo. Abantu abaninzi banomdla wendlela yokuhlukanisa iivithamini zokwenziwa kwendalo ngaphandle kweemvavanyo zelabhoratri? Kukho indlela yokuphuma-jonga ukupakishwa kwaye ukuba izinto zingekho ngokwemvelo, koko kuya kuboniswa ukuba izidakamizwa kufuneka "zithathwe yizifundo" okanye "zenze ikhefu zenyanga".