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how to administer a b12 injection Shots at Home: How, Where & Often Inject Yourself Instruction Guide for Intramuscular (IM)
Description
Hair that began as fine vellus strands may thicken
Most people tolerate them well, experiencing only mild side effects such as temporary soreness at the injection site or mild headaches

Retrieved January 22, 2026

Better mood and increased energy were noticeable
Immediately after your injection, the used needle and syringe should go directly into your designated sharps disposal container
I could not walk normally
