Nastech Nascobal intranasal gel achieves higher maintenance B12 levels than injectable vitamin therapy.
Executive Summary
NASTECH NASCOBAL ACHIEVES HIGHER B12 LEVELS THAN INJECTABLE VITAMIN DOSE in a pharmacokinetic study supporting the approval of the intranasal vitamin B12 gel. Nascobal 500 mcg "resulted in a consistent increase in pre-dose serum B12 levels during one month of [weekly] treatment[s] above that seen one month after 100 mcg intramuscular dose," labeling states.