NIH/PMC research documents GHK-Cu's studied role in stimulating collagen, elastin and glycosaminoglycan synthesis at picomolar to nanomolar concentrations in skin fibroblasts
And when they get too short, the cell stops dividing entirely
Lancet 2021 Phase 2 (monotherapy) Lau et al., n=706, 26 weeks
Key Features 99% Purity, HPLC/MS Verified Confidence for repeatable, high-rigor protocols Targets GHRH-R on Somatotrophs Study GH pulse timing and amplitude under training-relevant conditions Pulsatile-Friendly Ideal for circadian and sleep-tied secretion models central to recovery science Downstream Readouts Explore IGF-1linked signaling for muscle protein turnover and remodeling studies Stack-Ready Design Flexible in multi-pathway frameworks (endocrine metabolic recovery) USA GMP Manufacturing Consistency you can plan cycles around COA Included Full lot-level documentation Specifications Sequence: GRF, C-terminal amide Molecular Formula (free peptide): CHNOS Molecular Weight (free peptide): ~3357.9 Da Appearance: White to off-white lyophilized powder Form & Sizes: 5 mg vials (research grade) 10 mg vials (clinical grade) Purity: 99% (HPLC/MS verified) Manufacturing: GMP-compliant facility, USA Storage: 20 C, desiccated
Each vial contains 50mg of high-purity lyophilized Epitalon
Tang YQ, Yuan J, Miller CJ, Selsted ME: Isolation, characterization, cDNA cloning, and antimicrobial properties of two distinct subfamilies of -defensins from rhesus macaque leukocytes
