Two main classes act on the somatotropic axis: GHRH analogs, which stimulate GH release at the pituitary level, and GHRP secretagogues, which activate ghrelin receptors
Alpha Lipoic Acid Alpha Lipoic Acid (ALA) is another antioxidant that can help maintain skin health and protect against oxidative stress
Arch Neurol 1992;49:1137-41
Formulation & Skin-Delivery Considerations (No Dosing Guidance) Carriers: Liposomes and other vesicular systems may improve skin retention/penetration of hydrophilic peptides like GHK-Cu (PMC)
Kwong-Han K, Zunaina E, Hanizasurana H, Che-Badariah AA, Che-Maraina CH
This is better for long-term health optimization as well as longevity, Cho says