Across the literature, unmodified peptides delivered orally show absolute bioavailability in the range of roughly 0.12%, with wide variability driven by molecular size, charge, formulation, and the fed or fasted state of the gut
The ability to shuttle between the +1, +2, and +3 oxidation states is responsible for the versatile chemistry of vitamin B 12 , allowing it to serve as a donor of deoxyadenosyl radical (radical alkyl source) and as a methyl cation equivalent (electrophilic alkyl source)
Every patient receives treatment plans developed and monitored by licensed providers
Evidence-based : Ensuring clinicians understand the difference between serum B12 levels and clinically active B12 stores, and other suitable tests to determine deficiency as well as symptom resolution with sufficiently frequent treatment
Whether metabolic benefits (improved insulin sensitivity, reduced visceral fat) persist, partially reverse, or fully reverse is unknown