Studies in rats and beagle dogs have shown a rapid elimination half-life of less than 30 minutes after intravenous administration
Update: Our readers suffer from pernicious anemia and need lifelong B12 shots, so we partnered up with a lab in the UK to offer vials of medical-grade methylcobalamin for $129 or less, which can bring the cost per shot down to $3.10-$3.90
This could be due to the lack of intrinsic factors, a protein in the stomach required for the absorption of this essential vitamin
Musculoskeletal Research: Studied in tendon, ligament, and muscle injury models, where it has been linked with improved angiogenesis and repair responses
Journal of Pharmacy Practice and Research, Advance online publication
GI Disorders, common in autism, interfere with the absorption of B12