when do i need b12 injections Vitamin Injection Dosage What is the therapeutic range

When Progress Stalls The stall pattern is the thing to read, rather than pushing the dose harder

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)

You may also qualify if youre getting certain types of chemotherapy.

A provider needs to review medical history, current medications, and goals before recommending semaglutide, tirzepatide, or a supportive addition like B12 or NAD