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More specifically, research shows small peptides under 16 kilodaltons (kDa) primarily leave the injection site through diffusion into blood capillaries, while larger proteins are predominantly absorbed via the lymphatic system

[DOI] [PubMed] [Google Scholar] 195.Crane EJ, Parsonage D, Claiborne A

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Because of the retrospective nature of the study and the use of de-identified data, this study received an exemption waiver for approval and informed consent from the Institutional Review Board (IRB) of Chung Shan Medical University Hospital, identified by the reference number CS1-24047

Stored properly in its sealed vial at cool temperatures, lyophilized BPC-157 can remain stable for months or even years

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