Anyway, being with Seora Valdez allayed my anxiety about Richard
Research from Tufts University finds that by age 75 or 80, around 40 percent of people have a diminished ability to absorb B12 from food
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Was it studied at the same dose and by the same route being marketed online
Accessed 7 Jul 2016 Nazarkovsky MA, Bogatyrov VM, Czech B et al (2016) Titania-coated nanosilicacobalt ferrite composites: structure and photocatalytic activity
So injecting beyond a certain point may cause your cells to fight off the excess B12 so hard that it might reduce the amount of active cellular B12 - probably not to dangerous levels, but possibly sufficient to trigger some symptoms