However, research performed by doctors explains that when people can properly absorb and store vitamin B12, it is stored within the body for between 3 to 5 years
Individual results vary based on starting body composition, diet adherence, exercise intensity, and metabolic factors
Several factors influence the appropriate dose of vitamin B12, including the severity and underlying cause of your deficiency, your age, overall health status, and your bodys ability to absorb vitamin B12 from food or oral supplements
Vitamin B12 plays a key role in many bodily functions, like making red blood cells and supporting the nervous system
These genes tell your body how to make the MTHFR protein, which you need to produce folate, a B vitamin
Lebers Disease: People with Lebers disease, a rare inherited eye condition, should avoid vitamin B12 injections