Food and Drug Administration (FDA), or any other regulatory authority for human or animal use
It is normally involved in the metabolism of every cell of the body, especially affecting DNA synthesis and regulation, but also fatty acids synthesis and energy production
Fortified breakfast cereals and multivitamins can serve as good sources for those who dont consume animal products
By regulating appetite, it helps individuals consume fewer calories, making weight loss more manageable
Additionally, Crohns disease, celiac disease, and other intestinal issues increase the odds of developing a B12 deficiency
When neurological symptoms are present, more intensive treatment is required: 1 mg hydroxocobalamin on alternate days until no further improvement occurs, followed by maintenance therapy every two months