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.
Whatever is left over is excreted in your urine. Vitamin C is another water-soluble vitamin. Fat-soluble vitamins (A, D, E and K) are different: Whatever your body doesn't use right away is stored in the fat cells in your body for several weeks or months for future use.For more information about vitamins and your own vitamin needs, consult your doctor.hatever is left over is excreted in your urine. Vitamin C is another water-soluble vitamin. Fat-soluble vitamins (A, D, E and K) are different: Whatever your body doesn't use right away is stored in the fat cells in your body for several weeks or months for future use.