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There's no need to cycle GHK-Cu because it doesn't cause receptor desensitization or hormonal disruption

10.1016/j.placenta.2022.09.013 55 SantosR

While not FDA-approved for longevity enhancement, its used in supervised medical protocols for healthspan optimization and biological age management

The mechanism is specific: BPC-157 promotes the repair of tight junctions, the protein structures that hold intestinal epithelial cells together and prevent undigested particles from passing through the gut wall into systemic circulation

520 This finding emphasizes the importance of considering metabolic status in cancer treatment and the necessity for further research in this area

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