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Factors that extend or shorten shelf life Extends shelf life: Proper refrigeration (consistent 2-8C) Minimal light exposure Sterile reconstitution technique Quality bacteriostatic water Sealed vial (rubber stopper intact) Shortens shelf life: Temperature fluctuations Light exposure Contamination during drawing Low-quality water Damaged vial seal Bottom line: 28-30 days is safe, conservative timeline for nearly all peptides when stored properly
[PubMed] [Google Scholar] 26.Sanz-Cuesta T., Escortell-Mayor E., Cura-Gonzalez I., Martin-Fernandez J., Riesgo-Fuertes R., Garrido-Elustondo S., Mario-Surez J.E., lvarez-Villalba M., Gmez-Gascn T., Gonzlez-Garca I., et al
doi: 10.1002/CPT.676 90 HviidKBanasikKMortensenLHMadsbadSGeikerNRWestergaardD
[113] According to Novo Nordisk, under the ChinaSwitzerland Free Trade Agreement, semaglutide is subject to regulatory data protection in China until April 2027, and their Swiss subsidiary holds those rights exclusively