is it safe to inject yourself with b12 How Give a Injection Are Vitamin B12 Shots Right
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doi:10.1016/j.bcp.2024.116476 Preparation and storage Research-only handling information

Have you heard about B12 shots for energy

Like all medicines, this medicine can cause side effects, although not everybody gets them

Mild nausea and digestive discomfort Some users report mild nausea, particularly when injecting on an empty stomach first thing in the morning
