Vitamin B12 injections are a safe and effective treatment for boosting energy, improving mood, and supporting overall health
Typically, your doctor should bill Medicare for the cost of the injection, though you can choose to pay out-of-pocket
Common side effects include mild injection site reactions (such as pain, redness, or swelling), headache, flushing, dizziness, and nausea
However, you still need to follow the right diet and exercise routine to achieve optimal results
High-dose oral B12 (1,000 to 2,000 mcg daily) can actually correct deficiency even in some people with poor absorption, because a small percentage of B12 is absorbed passively (without intrinsic factor)
Being deficient in vitamin B12 can affect a persons mood and may lead to mental health problems