can you inject b12 into stomach How to Vitamin Vitamin B12 Injections: What You
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These include allergic reactions, which can be very serious
Why B12 Injection Without B12 in your system, you may suffer from a number of issues from stomach or chest pain, extreme fatigue, headaches, to irregular heartbeat, hives and dizziness, to name a few

You have a family history of the illness (rare)

The primary forms of injectable B12 are cyanocobalamin and hydroxocobalamin, typically administered intramuscularly in the arm or thigh
