how many mcg of b12 in an injection Dosage and Frequency: 7 Guidelines for Adults Vitamin B12 Injection - We

At 3.3mg daily, you'd use 100mg in exactly 30 days

Of course, the vitamin B12 shots themselves do not stay in the body for five years

Product Specifications Solution: Bacteriostatic Water (BAC Water) Volume: 10ml per vial Preservative: 0.9% Benzyl Alcohol Container: Sterile glass vial Use: For peptide reconstitution in laboratory research Storage & Handling Instructions Store refrigerated at 28C Do not freeze Use aseptic technique when withdrawing solution Avoid vigorous shaking Discard vial 28 days after first puncture Research Applications (Preclinical Use Only) Reconstitution of lyophilized peptides and proteins Laboratory diluent for controlled experimental studies Maintenance of peptide stability under sterile conditions Peptide solubilization for preclinical assays All applications are limited to laboratory research models

avoid applying it to cuts, wounds, or irritated areas