Systemic side effects include mild nausea, transient headache, dizziness, and increased heart rate in some patients
How often should Vitamin B12 injections be administered
Vitamin B12 Injections in New York During a typical vitamin B12 injection session, a healthcare professional will administer the injection to the upper arm or thigh
Key considerations if a patient discloses combined use include: Gastrointestinal effects : Both agents may independently cause nausea, vomiting, or appetite suppression
Most people who eat non-vegetarian food meet their B12 needs
If the mouse figure of 3.5% oral bioavailability holds in humans, 100 mg swallowed delivers roughly 3.5 mg systemically, which is why 100 mg oral and 5 mg subcutaneous end up as the two standard protocols