b12 injection documentation Oral vs. Intramuscular Vitamin in Vitamin B12 Deficiency • The Blood Project VITAMIN B12 INJECTION INTAKE Amp
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Your arm may be achy after the injection and therefore we ask you to avoid exercise and touching the injection site for 24 hours to avoid further discomfort

B12 in plant foods
doi: 10.1111/j.1527-3466.2005.tb00161.x

N-methylnicotinamide and nicotinamide N-methyltransferase are associated with microRNA-1291-altered pancreatic carcinoma cell metabolome and suppressed tumorigenesis

These reactions are usually mild and self-limiting, but they can be concerning for people who are new to injectable medications
