Your healthcare professional may prescribe B12 injections if you are suffering from low levels of the vitamin in your system
International Journal of Molecular Sciences, 25 (7), 3797
Proper Dosage and Administration Once your doc gives the thumbs-up, follow the dose and how-to instructions like a champ
it does not establish clinical suitability, consumer safety, or any non-research application
He is concerned about the standards at 503A compounding pharmacies
HUBERMAN: In order to find out the lethal dose of something, as you can imagine, unfortunately, the way these studies are done is they give animals more and more, that is higher and higher doses of a given compound, find out at what point about 50% of the population of those animals starts to die, and then that's the so-called LD50, or at least that's one crude way of describing it