Traditional subcutaneous injection provides the highest bioavailability, typically 80-95% of the administered dose reaching systemic circulation
Moreover, a prior study suggested that a urine volume exceeding 250 mL/hour could lead to a rapid increase in serum sodium levels 17
Speed of Results For people who are deficient and symptomatic, how quickly levels recover can matter
You wont absorb all of it, but such a high B12 injection dose ensures you have enough B12 circulating in your bloodstream at all times
Check the nutrition labels while food shopping to see how much vitamin B12 different foods contain
D is the 3.2 mg KLOW dose, M is the vials total 80 mg, and V_draw is the selected draw volume in mL: V water = V draw M D Worked example: 3.2 mg total KLOW in a 0.2 mL, or 20-unit, draw