b12 injection cyanocobalamin (B12) / Products / American Regent Cyanocobalamin Injection, USP 1000 mcg

Trimester specific cutoffs for serum ferritin are still under investigation (163, 167-169)

I was baffled, until I learned that for people with gut issues or gut infections, taking iron orally is not just less effective, but can further worsen dysbiosis, because pathogenic bacteria use the iron to build biofilms

Then, depending on whether your B12 deficiency is related to your diet, youll either require B12 tablets between meals or regular injections

Not approved for diagnostic, therapeutic, or medical applications

The most commonly reported adverse effects were mild to moderate headache and gastrointestinal symptoms including diarrhea, flatulence, nausea, and increased appetite