is it ok to take expired vitamin b12 injections do expire Safe use if expired? : r/B12_Deficiency Compounded Cyanocobalamin (Vitamin B12) Injection Do vitamins expire? Safety, side

Common side effects include, but may not be limited to: pain or redness at the injection site mild diarrhea pruritus (itching) increased swelling joint pain dizziness headache nervousness or anxiety Serious side effects may include: allergic reactions peripheral vascular thrombosis hypokalemia (low potassium levels) pulmonary edema (fluid build-up around or in the lungs) thrombocytosis congestive heart failure There have been reports of anaphylactic shock and death after the parenteral administration of vitamin B12

Proton pump inhibitors (PPIs) and H2-receptor antagonists, used for acid reflux, reduce stomach acid production, which can impair dietary B12 absorption, though this does not directly affect injections

burned a bit at first but got used to it

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While research indicates that it does not significantly impact growth hormone levels, IGF-1, or glucose metabolism, long-term studies on its safety are still limited