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Mechanism 1
Autoimmune diseases such as celiac disease, Rheumatoid arthritis and lupus etc
In contrast, when a healthcare provider diagnoses B12 deficiencyvia blood tests and clinical evaluationB12 injections serve a medical purpose: correcting a documented biochemical imbalance and preventing the progression of serious conditions
Regulatory uncertainty limits its medical positioning, currently placing it in the grey zone of experimental peptides These limitations make clinical endorsement premature, especially in regulated health systems or for medical-grade use
This demonstrates a misunderstanding of their distinct roles
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