proper site for b12 injection Vitamin Sites: All You Need to Know How to self-inject intramuscular vitamin

Chemotherapy, autoimmune conditions, alcohol use, certain medications, toxins, and other health issues can also play a role

doi:10.4274/jpr.galenos.2019.00377 [CrossRef] 38

Certain medications The following drugs can reduce levels of vitamin B12 in your body: Antibiotics -- long-term use can lower vitamin B levels generally Anti-seizure drugs Chemotherapy medicines, especially methotrexate Drugs used to reduce stomach acid, like H2 blockers (Pepcid AC, Tagamet, Zantac) and proton pump inhibitors (Nexium, Prevacid, Prilosec) Metformin (Glucophage) -- taken for diabetes Colchicine -- taken for gout Some cholesterol-lowering medications Other causes You're over 65

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