In PA patients the parietal cells that produce intrinsic factor is destroyed due to an autoimmune reaction that also leads to an atrophic gastritis
It is sold under research-use-only labeling and is not regulated as a dietary supplement either
Our intensive vitamin B12 injection training courses are well structured providing the essential knowledge and techniques for Consultation & Diagnosis, Intramuscular Injection Technique, Health & Safety, Vitamin B12 Deficiency, Contraindications, and the different types of B12 Cobalamin available
If you want to learn more about the benefits people experience with this peptide, take a look at our post on Retatrutide benefits for a detailed breakdown
BPC-157 is the notable exception: injecting near the injury site delivers higher local concentrations
Also, its slightly slower than intramuscular administration