This is likely due to B12s role in the synthesis of new cells, such as red blood cells, and to its role in the repair of damaged cells as the body rebuilds tissues
human bioavailability is unknown Subcutaneous injection Human subcutaneous bioavailability and pharmacokinetics are unknown Factor Convenience Oral capsules No mixing or syringe math Subcutaneous injection Requires reconstitution, sterile supplies, and injection-site planning Factor Evidence limits Oral capsules No controlled human dose, benefit, or safety trial Subcutaneous injection No controlled human dose, benefit, or safety trial Factor Can the amounts be treated as equal
According to PubMed: A systematic review of elevated B12, cancer and mortality (2024) What was found: a team at Pontificia Universidad Javeriana in Bogota pooled thirteen studies of adults with abnormally high B12
Vitamin B12 Cyanocobalamin Injection remains a critical intervention in managing vitamin B12 deficiencies, allowing for direct absorption and rapid correction
Advantages : Allows for the delivery of higher doses in a single injection, reducing the need for multiple injections