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Stretch marks improve modestly in color, less so in texture
In endothelial cells, BPC-157 activates ERK1/2 signaling, enhancing proliferation, migration, and vascular tube formation through transcription factors including c-Fos, c-Jun, and Egr-1
Side effects, particularly nausea and constipation, are common but manageable with proper strategies
However, direct cartilage injection of IGF-1 more effective than systemic elevation, and systemic growth hormone peptides produce modest IGF-1 increases (not pharmacological levels)
The ones with actual evidence behind them work really well
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