According to a randomized, double-blind, placebo-controlled, matched-pair study by Watanabe et al
Since egr-1 is critical in proliferation, differentiation, and inflammation during cholestatic liver injury, cytokine and growth factor generation and early extracellular matrix (collagen) formation (Zhang et al., 2011), BPC 157 (with nab2) may have an essential role as a particular feedback-controlling mechanism
Variables include: Age and baseline GHK levels Diet and overall nutrition Sleep quality and quantity Sun exposure and skin care habits Genetic factors affecting copper metabolism Concurrent health conditions Researchers who optimize supporting factors (sleep, nutrition, sun protection) typically report better outcomes than those relying solely on peptide administration
Ethics declarations Competing interests The authors declare the following competing interests: A.R., M.H., L.B., J.J.S., A.D., M.S., and C.K