The incubation mixture contained 0.9 mL of 65 mM phosphate buffer (pH7.8), 0.1 mL of 10 mM hydroxylamine hydrochloride, and 1 mL of the supernatant
Those medicines earned credibility through decades of trials, standardized manufacturing, and tight oversight
Genazzani AD, Lanzoni C, Ricchieri F, Santagni S, Rattighieri E, Chierchia E, Monteleone P, Jasonni VM
E.et al (2012a)
Its primarily in the Liver, Yes - but there are much smaller stores elsewhere for " local" processing...these are not part of the digestive process
As an alternative, doctors may prescribe B12 injections which enable it be absorbed instantly