Vendors selling it online as "not for human consumption" are operating in a regulatory gray zone that the FDA has not fully enforced
The active form of b12 @ affordable pricethanks guys
"Patients will suffer from the usual side-effects of extreme tiredness, irrational behaviour, mood swings, memory problems." The British National Formulary, which sets guidelines for the use of vitamin B12 in pernicious anaemia, said the practice was based on the best available evidence base
I verify sources, protocol interpretation, and final judgments personally
Proton pump inhibitors (PPIs) and H2-receptor antagonists, used for acid reflux, reduce stomach acid production, which can impair dietary B12 absorption, though this does not directly affect injections
Yoshino J, Baur JA, Imai SI