side effects of b12 injections for energy Understanding the Vitamin Shot: Benefits, Risks, and Dosage Guide Why do I feel worse

Vitamin B12 (cobalamin) is an essential water-soluble vitamin crucial for neurological function, red blood cell formation, and DNA synthesis

Signs You're Not Getting Enough B12 Vitamin B12 deficiency develops insidiously, often over months to years, as the liver's substantial reserves become gradually depleted

Groundbreaking research at the time, to be sure, but not ones that have been fully replicated or proven in more modern research

Jang et al 120 evaluated in 6 hospitals in South Korea 80 patients (median age, 63 years) with COVID-19 receiving mechanical ventilatory support, 19 of whom were treated with extracorporeal membrane oxygenation (9.8 days