Preheat oven to 350 degrees. In a small bowl, whisk together the flour and baking soda; set aside. In the bowl of an electric mixer fitted with the paddle attachment, combine the butter with both sugars; beat on medium speed until light and fluffy. Reduce speed to low; add the salt, vanilla, and eggs.
It can also be made in a laboratory. Vitamin B12 is used for treating and preventing vitamin B12 deficiency, a condition in which vitamin B12 levels in the blood are too low. It is also used to treat pernicious anemia, a serious type of anemia that is due to vitamin B12 deficiency and is found mostly in older people. Injecting vitamin B12 as a shot, as well as taking through the nose or by mouth, is effective for treating low red blood cell counts caused by poor absorption of vitamin B12. 2  Vitamin B12 deficiency. 3  Taking vitamin B12 by mouth, through the nose, or as a shot is effective for treating vitamin B12 deficiency.
The vitamin B12 combines with the folate in the formation of DNA, the genetic material in all cells. It is not only needed for the synthesis and regulation of the fatty acids, its needed for energy production also. B12 helps in maintaining the health of the nerve cell and the nervous system. The vitamin B12 is also needed for the synthesis of the red blood cells. It has been found to be very much needed for the growth and development of children. Food Sources for Vitamin B12. Mainly synthesized by bacteria, vitamin B12 is found primarily in animal products like dairy products, eggs, meat and fish. Though certain plant sources have been identified, like seaweeds and algae, the B12 found in plants are unavailable for human consumption and digestion.