Bioavailability: 1 to 2% absorbed passively without intrinsic factor Deficiency: only if GI absorption is intact Dosing: daily, high-dose oral Prescription: no, available OTC At home: yes Get a B12 injection prescription Not sure which format fits your situation
These symptoms result from the bodys immune response to the vaccine, causing inflammation and soreness in the injection site muscle where the injection was administered
Other claims Recently, vitamin B12 injections and infusions have become popular among healthy people who dont appear to have a deficiency
If approved, your medication is dispensed by a U.S.-licensed pharmacy and shipped discreetly to your door each month with ongoing provider oversight
The Optimal Vitamin B12 Dosage for Kids, Pregnancy, and Seniors At age 50, everyone, regardless of diet should start supplementing with B12-fortified foods or supplements but over age 65 only high-dose daily supplements may suffice