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For opened multi-dose vials without a different manufacturer date, CDC summarizes USP guidance as 28 days after first puncture. What refrigeration is required for reconstituted peptides

Animal studies have demonstrated that FOXO4-DRI can reduce senescent cell burden, improve tissue function, and mitigate age-related pathologies [3] [4] [5]

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TB-500 Overview: National Center for Biotechnology Information (2026)