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what size needle is used for b12 injections a Injection: A Simple Guide B12 vitamin Store Needle and
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So, for a 1000 mcg dose, you need 1 mL
You are allergic to cobalt

Early detection and treatment are key to preventing complications

Vitamin B12 (cyanocobalamin or methylcobalamin ) is light-sensitive and can degrade when exposed to UV or fluorescent light
