Signs you may need to increase dose: minimal improvement after 4 weeks of consistent use, rapid healing that could progress further, or previous positive response to higher doses of related peptides
Consistent with the observations in human elderly Leydig cells, H2O2-induced senescent TM3 Leydig cells exhibited a predominant nuclear localization of FOXO4, in contrast to untreated controls where it remained mostly cytoplasmic
Free Radic Biol Med 175:236248 He Z, Shen P, Feng L, Hao H, He Y, Fan G et al (2022) Cadmium induces liver dysfunction and ferroptosis through the endoplasmic stress-ferritinophagy axis
GHK-Cu and hair growth: what we know Copper peptides gained fame in hair care because early studies and patents reported thicker hair and higher counts in some users with androgenetic loss, measured over several months