b12 intramuscular injection dosage Optimal Vitamin and Treating Deficiency Instruction Guide for Intramuscular (IM)
Description
Injections only enter the picture if a vegan has progressed to symptomatic deficiency, or has an absorption problem unrelated to diet
Also, most supplements are well below the upper limit

However, supplementing solely with folic acid/folate can mask an underlying B12 deficiency

For Zepbound (tirzepatide for weight management), the NDC numbers are similarly dose-specific

What Are the First Signs That a B12 Shot Is Working
