US$ 26.20
b12 injection monthly Vitamin Injections Dosage and Frequency Vitamin B12 Injections: Ideal Dosage
Description
Cost differs between the two forms

[DOI] [PubMed] [Google Scholar] 242.Wadden TA, Foreyt JP, Foster GD, et al
Tran carefully evaluates your health history, diet, and lab results to tailor your dosage and frequency

Do not stop prescribed medicines or supplements without professional guidance