what does injectable b12 do Sandoz Vitamin Solution - 1000 mcg/10 mL B12 Deficiency - Hematology &

The deltoid muscle is often used for smaller injection volumes

Phase Initial 4 weeks Daily Dose 300 mcg Volume 0.18 mL Units (U-100) 18 units Phase Maintenance (weeks 5-12) Daily Dose 500 mcg Volume 0.30 mL Units (U-100) 30 units Phase Optional extension Daily Dose 300-500 mcg Volume 0.18-0.30 mL Units (U-100) 18-30 units This summarizes the published research-context dose range (commonly cited 300-500 mcg/day)

Individual response varies based on dosage, health status, and lifestyle factors

While these injections are generally safe with minimal side effects, you may experience mild soreness or redness at the injection site