Serum B12 alone can be misleading, while methylmalonic acid levels offer a more accurate assessment of whether the body is utilizing available B12
Heres a case of a 67-year-old man who reacted to a hydroxocobalamin B12 shot containing 1.5% benzyl alcohol
Physical damage to the seal
Injections provide higher blood concentrations than oral supplements due to their direct route into the bloodstream which allows for greater absorption rates resulting in more effective results with fewer doses required over time compared with oral supplements
When the body is not supplied with this essential nutrient, it can present various health problems, such as fatigue, diarrhea, numbness, shortness of breath, and nerve damage
The amount of vitamin B12 required varies from person to person