This is another reason why borrowing a protocol from a different peptide, or from a generic chart, is misguided
Unlike others, the absorption of vitamin B12 depends on a protein called intrinsic factor, which is produced in the stomach
Earlier oral trial METAOD005 randomized 300 adults with obesity to oral AOD-9604 (1, 5, 10, 20, or 30 mg/day) or placebo for 12 weeks
This is one reason that mood changes, poor memory and weakness become more common with older age
Electrophoresis
IM B12 injection is especially appropriate when oral supplementation has been inadequate, when absorption is compromised, or when neurological symptoms are present (Stabler, New England Journal of Medicine , 2013)