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Feb 19 1994;308(6927):501-3

The ability of GH and IGF to modulate key signal transduction pathways such as the MAP kinase/ERK, Jak/STAT, and the PI3K/Akt pathway along with the subsequent effects on cell division and steroidogenesis indicates that these growth factors are centrally located to alter cell fate during proliferation and survival

In laboratory studies, synthetic BPC-157 is reported to: Support the healing of wounds, and certain injuries Promote recovery after tissue traumas Limit the impact of systemic insults including hyperkalemia and hypermagnesia Promisingly, few studies are reporting any adverse reactions to the administration of BPC 157

In short, injections may be preferred for faster correction or absorption concerns, while oral supplements are convenient for ongoing maintenance.