These effects are downstream of better sleep and improved metabolic function rather than a direct neurological effect of the peptide, which makes them durable rather than temporary
Egras AM, Hamilton WR, Lenz TL, Monaghan MS
Critically, the peptide showed therapeutic efficacy even when administered after neurotoxin exposure
External Resources For additional scientific background on GHK-CU and copper peptides: GHK Peptide as a Natural Modulator of Multiple Cellular Pathways in Skin Regeneration - PMC Regenerative and Protective Actions of the GHK-Cu Peptide in the Light of the New Gene Data - PMC Selected Biomarkers Revealed Potential Skin Toxicity Caused by Certain Copper Compounds - Scientific Reports Copper Peptide GHK-Cu Overview - Wikipedia For researchers serious about optimizing their peptide protocols, SeekPeptides offers the most comprehensive resource available, with evidence-based guides, proven protocols, and a community of thousands who've navigated these exact questions
CJC-1295 comes in two forms: with DAC (long-acting, 8-day half-life) and without DAC (short-acting, also called Modified GRF 1-29)