Yes, GHK-Cu tightens skin by increasing collagen production
In AD animal models, 3 days of progressive ladder-climbing RT (611 climbs progressing from 75%100% MCL) on alternating days for 4 weeks resulted in significant reductions in A levels and significant reductions in IL-1, IL-4, IL-6, and no differences in IL-10 between exercising and AD non-exercising controls (Hashiguchi et al., 2020)
JCI Insight, 3 (21), 122
Johansson BP, Shannon O, Bjrck L
Athletic Recovery: Infuses magnesium, amino acids, and vitamin D to improve recovery and performance
Additional NAD+ dosing available for biohackers, athletes, and those optimizing recovery or reversing burnout