Author Question: All of the following are true regarding niacin EXCEPT: 1.a deficiency results in pellagra. 2.its ... (Read 63 times)

nautica902 · **on:** Aug 20, 2018

All of the following are true regarding niacin EXCEPT:
1.a deficiency results in pellagra.
2.its precursor is tryptophan.
3.high doses result in flushing.
4.high doses lower HDL-cholesterol levels.

Question 2

All of the following are true regarding water-soluble vitamins EXCEPT:
1.excess amounts are excreted in the urine.
2.they are stored in body fat, the liver, and other parts of the body.
3.deficiency symptoms develop within weeks or months.
4.they include the B-complex vitamins and vitamin C.