Modulation of GH IGF 1 axis: Potential strategies to counteract sarcopenia in older adults ScienceDirect Before vs. after 3 months of GHK Cu peptide therapy smoother texture, more even tone, and skin that looks healthier overall. Small peptide, big difference GH and IGF1 in cancer therapy resistance in: Endocrine Related Cancer Volume 30 Issue 9 (2023) A Theoretical Link Between the GH IGF 1 Axis and Cytokine Family in Children: Current Knowledge and Future Perspectives Insulin like growth factor 1 (IGF 1) and growth hormone (GH) in immunity and inflammation ScienceDirect The Fascinating Interplay between Growth Hormone, Insulin Like Growth Factor 1, and Insulin