NSC 170C1 Chapter Notes - Chapter 8: Vitamin A Deficiency, Vitamin K Deficiency, Retinol

• School: University of Arizona
• Department: Nutritional Sciences
• Course: NSC 170C1
• Professor: Ricketts

Document Summary

A vitamin is a micronutrient that: regulates certain processes in your body. Is(cid:374)"t (cid:373)ade (cid:271)(cid:455) (cid:455)ou(cid:396) (cid:271)od(cid:455), o(cid:396) it"s (cid:374)ot (cid:373)ade i(cid:374) a(cid:373)ou(cid:374)ts (cid:455)ou(cid:396) (cid:271)od(cid:455) (cid:374)eeds fo(cid:396) good health: occurs naturally in commonly eaten foods, prevents a specific deficiency disorder when consumed in adequate amounts. Your body requires milligrams (v. grams of micronutrients) Vitamin deficiencies: occur when your diet consistently lacks the micronutrient, additio(cid:374)all(cid:455), diseases that (cid:396)edu(cid:272)e (cid:455)ou(cid:396) i(cid:374)testi(cid:374)al t(cid:396)a(cid:272)t"s a(cid:271)ilit(cid:455) to a(cid:271)so(cid:396)(cid:271) (cid:374)ut(cid:396)ie(cid:374)ts (cid:272)a(cid:374) i(cid:374)(cid:272)(cid:396)ease (cid:455)ou(cid:396) (cid:271)od(cid:455)"s losses of (cid:448)ita(cid:373)i(cid:374)s. Vitamin toxicities: vitamin excesses can lead to toxicity signs and symptoms. Vitamins have a drug- like effect on your body when taken in large amounts. Most likely to occur with people who take megadoses of vitamin supplements (10 times the recommended amount) Fat-soluble vitamins: vitamins a, d, e, and k. in fats, oils, and the fatty portions of foods. Tend to associate with fats in your body.