Collagen peptides have multiple randomized controlled trials in human patients
Synthetic insulin, for example, has been used for decades to manage diabetes, dramatically improving many lives
GHK-Cu is a copper-binding tripeptide commonly referred to as a copper peptide in research contexts
Ladiges, The potential of GHK as an anti-aging peptide, Ant Publishing, Mar
Cognitive improvement studies in aged mice demonstrated significantly faster escape hole finding in maze tests, evidence of decreased brain inflammation, and increased histone deacetylase 2 labeling indicating epigenetic pathway activation
Expect them to become darker and more prominent