self administer intramuscular thigh vitamin b12 injection site How to Self-Inject at Home How to Give Yourself Intramuscular

COA documentation is available where applicable and may be viewed through the COA Reports page or requested from customer support.

Here are some general guidelines: Mild Deficiency: For those with a mild deficiency, a typical dosage might be 1,000 micrograms (mcg) once a week for several weeks

A 2026 retrospective population study of 84 million B12 measurements showed a 32 % increase in B12 deficiency-linked hospitalizations from 2016 to 2023

Additional testing may be necessary to confirm a diagnosis and help formulate a treatment plan.

By comparison, oral B12 supplements are absorbed at roughly 1 to 5% in healthy adults, and even less if you have low intrinsic factor, atrophic gastritis, celiac disease, Crohn's, or a history of gastric bypass

Yet if this peptide actually works so well, then commercial entities could feasibly form and patent a novel compound similar to BPC-157 and cash in on it