In the developed nations, there are rare cases of deficiency of vitamin B2 since most of the food products with refined carbohydrates contain a good amount of riboflavin. Also, eggs and meat which are also commonly consumed are a good source of vitamin B2.
Blood plasma and serum â Blood plasma, or plasma, is prepared by obtaining a sample of blood and removing the blood cells. The red blood cells and white blood cells are removed by spinning with a centrifuge.
If you want to help the science community (and potentially save some lives) there are some unconventional ways to make money by selling your body. Plasma is the largest component of the human blood. It's a clear liquid that contains mostly water but is also filled with enzymes, antibodies, and other proteins.