By Elaine WATSON Elaine WATSON, 14-Aug-2013. The FDAâs decision to give the thumbs up to spirulina as a source of blue color in candy and gum finally gives US firms a natural alternative to artificial FD&C Blue #1 ('brilliant blue') and opens up new opportunities in natural greens, say color suppliers.
Actually I just looked it up to make sure and yes biotin is created in the large intestine by bacteria. Also vitamin K is as well, but vitamin K is a fat soluble vitamin where biotin is water soluble. Source(s): http://www.vivo.colostate.edu/hbooks/pat... Plus having CF makes me take a lot of vitamins plus its an interesting topic to me.
1 fat soluble vitamins are absorbed through the intestinal tract with the help of fats lipids water soluble vitamins do not get stored in the body for long they soon get expelled through urine water soluble vitamins need to be replaced more often than fat soluble ones vitamins a d e and k are fat solubleand water soluble vitamins there are fat soluble and water soluble vitamins fat soluble vitamins are stored in the fat tissues of our bodies as well as the liver fat soluble vitamins are easier to store than water soluble ones and can stay in the body as reserves for days some of them for monthsometimes the compound is a vitamin for a human but not for some other animals for example vitamin c ascorbic acid is a vitamin for humans but not for dogs because dogs can produce synthesize enough for their own needs while humans cannot