JCI Insight 5 , e130651 (2020)
Tierarztl Prax Ausg K Kleintiere Heimtiere

Benefits (Research Focus) Combined GHRH + GHS-R activation studied for paired pathway stimulation of the somatotropic axis Pulsatile GH release investigated for physiologic-pattern growth hormone release in research models IGF-1 axis signaling explored for downstream hepatic IGF-1 production and somatotropic endpoints Receptor-pathway differentiation examined for paired GHRH receptor and GHS-R1a receptor pharmacology Hormone selectivity researched for ipamorelins reported minimal off-target effects on cortisol, prolactin, and ACTH What Researchers Look At Plasma GH and IGF-1 dynamics following paired peptide administration Pulsatile vs sustained GH release across paired GHRH and GHS-R stimulation Cortisol, prolactin, and ACTH response panels (selectivity markers) DPP-IV resistance and peptide pharmacokinetic profiles across components Comparative pharmacology versus tesamorelin-based blends and single-component administration Quick Specs Form: Lyophilized white powder CJC-1295 (no DAC): 5 mg per vial Ipamorelin: 5 mg per vial Total Peptide Content: 10 mg per vial Quantity: 1 vial Appearance: White to off-white lyophilizate Reconstitution: Bacteriostatic or sterile water (added by the end researcher) Purity: 99% by HPLC (per component) Identity: MS-verified (per COA) Storage: Protect from light Identity Basics Compound 1: CJC-1295 without DAC (Mod GRF 1-29) Synonyms: Mod GRF 1-29

Because of this, L-ascorbic acid serums may not be best for those with very sensitive skin or specific skin conditions
Hou X, Zaks T, Langer R, Dong Y
The findings were striking: patients with these conditions had significantly lower serum thymosin alpha-1 levels compared to healthy controls (18.38 versus 53.08, P less than 0.0001)