The quest for better absorption has driven innovation in supplement science, leading to more sophisticated delivery systems
Microarray studies have identified over 4,000 human genes responsive to GHK-Cu at very low concentrations
Delivered under the skin or into a muscle, bypassing the gut
More benefits of L-carnitine include relief from chronic fatigue syndrome, diabetic neuropathy, peripheral vascular disease and intermittent claudication, insulin resistance and type 2 diabetes, kidney disease and dialysis, and male infertility and erectile dysfunction
Despite a lack of differences in signaling pathways between animals that received a 1-week infusion of either oIGF-1 or saline, oIGF-1 animals did have increased in vivo myoblast proliferation in BF compared to SAL animals