can you buy injectable b12 over the counter Cyanocobalamin (B12) Injection 1000 mcg/mL, Multiple Dose Vial 1 mL, 25/Tray This product requires a valid prescription and is intended for veterinary use only. Superior Source, No Shot Vitamin

When you choose Lifeline Primary Care, you arent just getting a vitamin shot

Cyanocobalamin is given through intramuscular or subcutaneous injections

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

High-dose therapy may also cause a brief increase in blood pressure, though this usually returns to baseline within a few hours

You will find that oral tablets and injections (subcutaneous and intramuscular) are the most commonly used formats