Our research peptides are manufactured in GMP-compliant facilities and go through rigorous independent lab testing
Morgan AS, Sanderson PE, Borch RF, Tew KD, Niktsu Y, Takayana T, VonHoff DD, Izbicka E, Mangold G, Paul C, Broberg U, Mannervik B, Henner DW and Kauvar LM
One cited study of 20 women found new collagen production in 70% of those treated with Cu-GHK after one month, compared with 50% for vitamin C and 40% for retinoic acid [2]
Its a highly abundant small protein naturally found inside human cells and circulating throughout the body
donor cardiectomy and recipient cardiectomy with orthotopic heart transplant