Rashin bitamin a jikin mutum zai iya haifar da cututtukan cututtukan da dama, wanda saboda rashin yiwuwar halayen biochemical ya shafi wadannan bitamin.
Na dogon lokaci, 'yan adam sun san wata cuta da ake kira scurvy. Wannan cutar ta sha wahala sau da yawa daga ma'aikatan jirgin ruwa waɗanda suka yi tafiya a kan dogon lokaci har tsawon watanni. Scurvy yana nunawa ta hanyar karuwa da ganuwar jini, zubar da jini, da kuma hasara hakora. Sai kawai bayan ganowar bitamin an gano cewa scurvy tasowa tare da rashi a jiki na bitamin C (wani suna don wannan bitamin shine ascorbic acid). Ya bayyana cewa idan babu wannan abu a cikin mutane, ana rushe gurbin haɗin gina jiki na collagen, wanda zai haifar da irin wannan sakamako marar kyau. Kuma gaskiyar cewa a lokacin da aka samo asali ne a cikin teku, an samo shi ne a cikin teku, saboda yawancin lokacin da aka samar da 'ya'yan itatuwa da kayan marmari da sauri sun ƙare a cikin jirgi. Yanzu ana sani cewa ana samun acid ascorbic ne a cikin samfurori na asali. Tun da farko wannan hujja ba a san (musamman game da bitamin kamar haka a cikin masana kimiyya ya fara magana kawai a cikin 1880). Yanzu cututtukan cututtuka da rashin rashin amfani da bitamin C, ba haka ba ne, kuma babban dalilin abin da ya faru shine cututtuka mai tsanani a abinci mai gina jiki. Idan kuna cin abinci a kowace rana a kalla karamin kayan lambu ko 'ya'yan itatuwa, to lallai kuna da wuya ku ji tsoron bayyanar wannan cuta.
Ga cututtuka da ake haifar da rashi na bitamin A, hememelopia, ko kuma, yayin da mutane suke kiran wannan cuta, "makanta na dare". Tare da wannan yanayin ilimin halitta, mutumin yana gani sosai a lokacin rana, amma a lokacin tsakar rana, ya yi kuskuren gane abubuwa. Wannan yanayin za a iya ɗauka a matsayin alama ta farko na fitowar bitamin A a cikin abinci. Tare da raunin bitamin A fiye da yawan abinci mai gina jiki, xerophthalmia tasowa, wanda yake da yanayin bushewa na gine-gine na ido. Sau da yawa tushen dalilin ci gaban wadannan cututtuka shine cin zarafi da kuma safara a cikin jiki na fats. Tun lokacin da bitamin A ya zama mai narkewa, sabili da cin zarafi na ƙwayoyin cuta a cikin jiki kuma akwai rashin wannan aiki na halitta, kodayake abincin da kanta zai iya ƙunshi nauyin bitamin A. Idan kuma, rashin rashin lafiyar bitamin A a cikin abincin, to, wannan yanayin yana da sauƙi Daidaita hada cikin menu na jita-jita daga karas, tumatir, Dill.
Rashin bitamin D yana haifar da wata cuta a yara da ake kira rickets. Da wannan cututtukan, al'amuran al'ada na sashi na ƙashi suna rushewa, kuma cigaban hakora an jinkirta. Maganin bitamin D shine irin abinci kamar hanta, man shanu, kwai gwaiduwa. Ana samun yawancin bitamin D a cikin man fetur.
Vitamin E shine abu mai mahimmanci mai ilimin halitta wanda ke taimakawa wajen tafiyar da tsarin tsarin haihuwa. Tare da rashin ciwon bitamin E a cikin maza, bazawar spermatozoa bace, kuma a cikin mata, akwai yiwuwar rarrabu a cikin ci gaban tayin. Kullum yawancin bitamin E ana bayar da ita ta amfani da samfurori irin su man kayan lambu, hatsi, letas, kabeji.
Wadannan cututtuka suna ba da hujjar cewa rashin wasu bitamin a cikin abinci mai gina jiki yana haifar da ci gaba da wasu yanayi masu illa. Saboda haka, don hana ci gaban wadannan cututtuka, ya kamata mu yi ƙoƙarin yin abincin mu yadda ya kamata, ciki har da samfurori daban-daban na dabba da kayan kayan lambu. Irin wannan tsarin zai bada izinin, idan ya yiwu, don tabbatar da bambancin bambancin abubuwa masu ilimin halitta a cikin abincin da zai hana ci gaban cututtuka da rashin rashin bitamin ya haifar.