can a b12 injection make you sleepy Why Do I Feel Worse After My Injection? Understanding Post-Injecti – Oxford Origins Why do I feel worse

This simplicity appeals to people who dislike injections or want to minimize complexity in their protocol

However, absorption requires intrinsic factor, a protein produced in the stomach

[8] Although not an absolute contraindication, patients with coronary artery disease or unstable angina should only use B-Complex injections containing niacinamide under physician supervision, since high-dose niacin supplements have been linked to arrhythmias in such patients

(PubMed) Dharmarajan TS, Kanagala MR, Murakonda P, Lebelt AS, Norkus EP

Physicians should prepare for peer review by outlining patient-specific factors justifying the requested treatment over payer-preferred alternatives

Methylcobalamin is one of the active forms of B12 and requires no conversion in the body