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Understanding the general peptide safety landscape helps put these results in context

(2006, N=65) tested CJC-1295 with DAC and showed dose-dependent increases in mean GH concentrations of 1.5-to-3-fold and IGF-1 increases of 1.3-to-1.9-fold that persisted for up to 28 days after a single injection [4]

Cell images were captured at 0, 8, 18, and 30 h by fluorescence microscope

However, these synthetic versions are engineered to resist breakdown by the DPP-4 enzyme that rapidly degrades natural GLP-1, remain active in the bloodstream for much longer periods (days to weeks versus minutes for natural GLP-1), and achieve blood concentrations far higher than the body naturally produces