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The FDA requires stability data to support every expiration date

Injecting air into the vial during reconstitution introduces atmospheric contaminants and accelerates oxidation

A thorough, well-documented report with specific technical analysis of each identified risk generates a narrower exclusion list

Other incretin projects : Lilly acquired Protomer Technologies in late 2024 specifically to get access to novel glucagon/GLP-1 peptides and oral incretins

Also keep in mind that a standard peptide vial (98% of peptides are this size) can only hold a max of 3 mL of liquid, unless it is a large vial like NAD+ in which case it can hold up to 10 mL of liquid