Symptoms of Vitamin B12 Deficiency Vitamin B12 deficiency develops gradually, as the body's liver stores can sustain normal function for several years before depletion becomes clinically apparent
It is important to consult a provider about all supplements and medications to avoid potential interactions
I just worry that the headline/photo here is misleading
Nitrous oxide, a commonly used anesthetic, oxidizes and inactivates vitamin B 12 , thus inhibiting both of the vitamin B 12 -dependent enzymes, and can produce many of the clinical features of vitamin B 12 deficiency, such as megaloblastic anemia and neuropathy
Here are the best vitamin B12 injection sites for each method: Subcutaneous B12 injection sites Usually, the best places to give yourself a B12 shot subcutaneously are the abdomen, thigh, and upper arm, as you can see in this illustration: Although not shown above, the buttock is another good site for B12 shots