vitamins facts Selected as the most interesting among medicine related questions in Medicine quiz What is the effect of nicotinic acid on human organism?It is essential for functioning. Nicotinic acid, better known as niacin or vitamin B3, has nothing in common with tobacco. Chronic lack of niacin leads to pellagra, a vitamin deficiency disease.Created by: globalquiz.orgtobacco facts » Which vitamin is produced in the skin during sun bathing?Vitamin D is synthesized from cholesterol in the skin with the help of the natural ultraviolet wavelength of sunlight. Supplementation of vitamin D is recommended only for sun-deprived people (eg. elderly or living in the Far North).Created by: globalquiz.orgmedicine facts » Which letter is used as a vitamin name?K. By convention, there are vitamins A, B, C, D, E and K. Flavonoids were referred to as Vitamin P from the mid-1930-s to early 50s, and this name is still sometimes used.Created by: Софияmedicines facts » Why people from southern Asia suffered from beriberi sickness?Eating mostly white rice. Beriberi is a sickness caused by extreme deficiency of vitamin B1, thiamine. White rice is in general poor source of vitamins, but it completely lacks thiamine. During research on the beriberi causes Polish biochemist, Kazimierz Funk discovered thiamine, the first vitamin B1.Created by: smyruIndonesia facts » In what fruit is the most vitamin C ?Rose Hip - the best source vitamin C. Content vitamin C in this fruit is a lot bigger than berries and citrus. Created by: lukasz Polandfruits facts » Play medicine quiz and see all the questions.