You can get vitamin B12 from many dietary sources and animal products, such as: Meat Fish Eggs Dairy products Nutritional yeast Fortified foods Many People Are Deficient According to the National Institutes of Health (NIH), about 12.5% of adults in the U.S
[21] Furthermore, an animal study in ewes demonstrated that a B 12 , folate and methionine restricted diet around conception, resulted in offspring with higher adiposity, blood pressure and insulin resistance which could be accounted for by altered DNA methylation patterns
If youre considering treatment, the team will review your health history and answer any questions to make sure its the right fit for you
A typical loading dose is 1,000 mcg (1 mg) administered intramuscularly several times per week (such as every other day or 3 times per week) for a couple of weeks
Most reported protocols settle at 100 mg as the maintenance level