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10mg research vial Lyophilized for stability Research-grade compound Laboratory research only Independently verified by Freedom Diagnostics via HPLC and mass spec

One study examining patients who had undergone bariatric surgery and subsequently used semaglutide found mean vitamin b12 levels decreased from 567 to 494 mcg per deciliter over 12 months

Corwin HL, et al

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That preservative is what makes it the default choice for multi-dose research vials a solution reconstituted with bacteriostatic water can typically be accessed multiple times over its usable window without the same contamination risk that a preservative-free solvent would carry

Patients seeking this therapy must obtain it through a compounding pharmacy that specializes in peptide preparation