b12 vials for injection Vitamin Injections: What You Need To Know Storage Store at controlled temperature between 2° and 30°C (36° and 86°F) Vitamin B12 Injection-treat harmful anemia

References Abdelwahab, Omar Ahmed, et al

Ready-to-Use Form Unlike cyanocobalamin, Methylcobalamin does not require conversion before the body can utilize it, making it a preferred form of B12 among many clinicians

Long-term use of proton-pump inhibitors has been found to decrease blood vitamin B 12 concentrations

Popular Brands Hospira (Pfizer) Cyanocobalamin Injection American Regent Cyanocobalamin Fresenius Kabi Cyanocobalamin Sandoz Cyanocobalamin Teva Cyanocobalamin Strengths 1000 mcg/mL (standard adult & clinical dose) 500 mcg/mL (pediatric or dose-adjusted therapy) 2000 mcg/mL (high-strength for severe deficiency) Typical regimen: 1000 mcg IM weekly, then monthly maintenance (per healthcare providers direction)