In mild cases, low levels of vitamin B12 can cause fatigue and anemia, while more serious deficiencies can lead to serious neurological and heart impairments
The amount of time that the injection will stay in your system will vary depending on your unique body, metabolism, and other factors
(25) Interestingly, the bioavailability of vitamin B12 in dietary supplements has been found to be around 50% higher than from food sources
It is not a dietary supplement, medical food, cosmetic, or drug
Lyophilized (freeze-dried) powders require refrigeration or even freezing before reconstitution
licensed pharmacy Prescription Only Why are injections better than pills