can you take too much b12 injections How Vitamin Is Much? How Quickly Does B12 Shot

Experts say, The goal of initial therapy is to correct the deficiency and replenish body stores. The goal of initial therapy is to correct the deficiency and replenish body stores. Clinical Guidelines on Vitamin B12 Deficiency Proper Injection Techniques and Sites Administering Vitamin B12 injections intramuscularly needs proper technique for safety and effectiveness

This is because B12 helps to regulate the production of melatonin, the hormone that regulates the sleep-wake cycle

One milligram (mg) is the same as 1000 micrograms (mcg)

If the body properly uses B12, studies show it can stay in the body for up to five years