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where do they inject b12 Injections at Home - Safety Guide for Self-Administration Best Vitamin B12 Injection Sites
Description
Some symptoms that may indicate a B12 deficiency include: A vitamin B12 deficiency must be diagnosed by a healthcare provider through a blood test before a patient begins seeking B12 injections

Costantini A, Pala MI, Grossi E, et al
Always sanitize hands and skin
Meat, fish, and dairy products all naturally contain B12

Liu H, Liu D, Zhao X, Wright M, Guo H, Deng Y, Guo H
