A deficiency in this vitamin can create a variety of symptoms
Transitioning off the combination How you end the combination protocol matters as much as how you start it
Monitor Your Health: Periodic health checkups and blood tests ensure that you stay on track
For adults 60+, diet alone often is not enough even if intake is high, because absorption, not intake, is the limiting factor
Injections bypass this entire process, delivering B12 directly to your bloodstream
Nevertheless, use of metformin may decrease vitamin B 12 status: a meta-analysis of four short-term intervention trials (up to 4 months duration) in patients with type 2 diabetes found that metformin use decreased serum cobalamin concentrations by 57 pmol/L, which could have clinical implications if such patients have suboptimal vitamin B 12 status (146)