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What Is a Vitamin B12 Injection and How Does It Work

Doctors also dont check B12 levels during routine blood work as most of the time its stored in the liver with years of stock, or its symptoms may get confused with the symptoms of other conditions

Common places for self-injecting B12 include: The middle of your thigh The meaty area of your hip Upper arm area Buttocks Fleshy part of your abdomen Some prescriptions are for subcutaneous injections delivered just under your skin

The date of first use should be recorded on the vial, and the medication should be discarded after the specified period following initial puncture, typically 28 days, even if medication remains and the beyond-use date has not been reached

Journal Clinical Pharmacology 56 (6), 635638