Pharmacogenomics of insulin like growth factor I generation during GH treatment in children with GH deficiency or Turner syndrome The Pharmacogenomics Journal Exploring the Therapeutic Potential of Targeting GH and IGF 1 in the Management of Obesity: Insights from the Interplay between These Hormones and Metabolism GHRP 6: A Hexapeptide Under Investigation for Growth Hormone Signallin Thoroughbred Labs GHK vs GHK Cu Without Copper, Basic Peptide Neurogan Health 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