b12 injection package Compounded Hydroxocobalamin (Vitamin B12) Vitamin B12, Cyanocobalamin, Injection, 1000mcg/mL,
Description
Contaminant Testing: Look for reports on heavy metals, microbial load, and solvent residues (e.g., residual trifluoroacetic acid, or TFA)

So, while vitamin B12 is probably therapeutically useful in some circumstances of iron deficiency-related hair loss, its not the only reason or even the biggest reason for why the iron deficiency arises

(2001) published the foundational preclinical study in Endocrinology demonstrating that the hGH C-terminal fragment inhibits adipogenesis in 3T3-L1 cells, establishing the mechanistic rationale for AOD-9604

Do not shake the vial hoping they dissolve
