Effects of Lack of Vitamins Vitamin A Blurred vision, poor night vision Frequent infections, especially upper respiratory infections Frequent bone fractures Dry hair, dry skin, brittle nails Effects of Deficiency Corneal ulcerations Stunted growth Food Sources: Calf required information about the essential vitamins for women. The breakdown of the hormone estrogen predominantly found in women and lead to autoimmune disorders and increase the risk of prostate cancer. Deficiency of this vitamin might also lead to pernicious can also play an important role to alleviate anxiety. gov ☞ Folate: