Pakati pa zaka 90 zapitazi ku US anali vitamini boom weniweni. Anthu a ku America, omwe amalimbikitsidwa ndi malonda, ankadya mwachangu mavitamini ndi mchere muyeso kupitirira mlingo woyenera wa 10 kapena ngakhale 100. Choncho anthu amayesa kuthetsa chimfine , kunenepa kwambiri, matenda a mtima ndi matenda a khungu, periontitis komanso ngakhale khansa. Koma zotsatira za mavitamini ambirimbiri zinali zopanda pake, ndipo penapake zinali zoopsa.
Ndiyenera kunena kuti mavitamini ambiri ndi zakudya zowonjezera zowonjezera zomwe zinkakhala ndi tizilombo toyambitsa matenda zomwe zinayambitsidwa kuti zithetse matenda monga scurvy ndi beriberi (kusowa vitamini B1, kutsogolera polyneuritis, kutaya mtima, kukhudzidwa). Katsupa umodzi tsiku ndi matendawa adatha. Komabe, m'malo mwa "odwala operewera zakudya" omwe ali ndi "matenda aumphaŵi" ameneŵa anayamba kumenyana ndi anthu abwino kwambiri.
Madzi ozizira a ku America ndi nkhani ya wolemba zachipatala wa The New York Times, Jane Brody ndi Dr. Stampfer, pulofesa ku Harvard Medical School. Chinthu chachikulu chimene chinawavutitsa olembawo ndi chakuti malingaliro akuti atenge mavitamini amachokera ku "umboni wosayenerera wa ubwino wawo," zomwe sizili zowona 100% zoona.
Kuwonjezera pamenepo, kuchuluka kwa mavitamini omwe akuyenera kutengedwa ndi akulu ndi ana kumadalira pa zinthu zambiri, kuphatikizapo msinkhu, chikhalidwe ndi umoyo. Nkhaniyi ndi yovuta chifukwa chakuti ena mwa ma microelements amatha kuyanjana mkati mwa thupi lathu, osati nthawi zonse phindu lake.
Mwachitsanzo, vitamini C, yomwe imadziwika kuti ndi antioxidant yomwe imateteza maselo kuwonongeka, pamaso pa chitsulo chimakhala chosakaniza ndi chosiyana. Zonsezi, molingana ndi Brody, zimatipanga ife, "ogula, odzipereka kuti ayesedwe bwino."
Matenda a tsiku ndi tsiku a beta-carotene sadziwika, chifukwa ali ndi mlingo wa vitamini A. Koma pa mlingo waukulu akhoza kuyambitsa chikasu. Akatswiri ena akuganiza kuti akumupangitsa khansa zingapo.
Vitamini C nthawi zambiri amalimbikitsidwa pa mlingo wa 60 mg patsiku. Koma pamene chiwindichi chikudutsa, chimayamba kugwirizana ndi mankhwala ena ochokera ku khansa. Zimasokoneza matenda a colon.
Vitamini E ndi mlingo wa tsiku ndi tsiku: 8 mg kwa amayi ndi 10 kwa amuna. Mankhwala apamwamba, nthawi makumi asanu ndi awiri, angayambitse mwazi mwa anthu omwe amagwiritsa ntchito mankhwala osokoneza bongo kuti "azichepetsa" magazi.
Vitamini B6 ndi mlingo wa 1.6 mg kwa amayi, 2 mg kwa amuna. Pakadutsa mlingo nthawi zambiri, zimatha kuwononga mitsempha.
Calcium, ngati imatengera oposa 1 gram pa tsiku, imayambitsa kudzimbidwa ndi kupweteka kwa impso.
Iron pa tsiku lililonse ya oposa 15 mg azimayi ndi 10 mg kwa amuna amachititsa chiopsezo cha matenda a mtima.
Zinc, ngati pali oposa 12 mg kwa amayi ndi 10 mg kwa amuna tsiku ndi tsiku, zimayambitsa ululu wa m'mimba ndipo zimachepetsa chitetezo cha mthupi .