b12 injection site is warm How to self-inject intramuscular vitamin - Overview Best Vitamin B12 Injection Sites:
Description
Methylcobalamin is an active form of B12 your body can use immediately

Arch Intern Med

What if the patient is coming in for back pain and is given a pain injection

Three months past expiration, you could be down 3-6%

The B12 supplement is available from JacksonGalaxy.com

The specific manufacturer of your dispensed medication may vary
