Those with Celiac disease, Crohns, or other gut disorders, and those taking drugs to calm heartburn, like omeprazole, have difficulty absorbing B12
In this article youll learn why supplements and injections raise B12 and why that is harmless, how B12 travels in the blood and why a total number can mislead, what an unexplained elevation can point to, what functional deficiency means despite a high result, what a doctor does next, and when to seek advice
Its commonly used to support mental clarity, motivation, and sustained performance, making it ideal for long workdays, training, or high-output mornings
If you have a Medicare plan, your coverage options and limits can sometimes be confusing
Proponents of vitamin B12 injections say the shots give you more energy and boost your metabolism, helping you shed unwanted pounds
With the exception of this, a tumorigenic effect has only been shown in the past in an animal experiment with rats (EFSA, 2006)