does ghk cu really work “Is GHK-Cu actually worth it?” is genuinely one of the most common questions in my comments, so let me finally answer it properly., The short version: copper peptides have real research behind them, One of my favorite peptides
Description
Advance Glucagon-Focused Metabolic Research With Prime Lab Peptides Researchers investigating metabolic and peptide-based pathways frequently encounter challenges, including inconsistent material quality, limited reproducibility, and unreliable sourcing
Reconstitution and laboratory handling A 10 mg vial reconstituted with 2 mL of bacteriostatic water yields 5 mg/mL

Alternatively, plateaus may indicate reaching the limits of what GHK-Cu alone can achieve for your situation

Pollak MN, 2013, 'Final results of a phase II study of neoadjuvant metformin in prostatic carcinoma.', Journal of Clinical Oncology , 31, pp

ELISA for insulin quantification Insulin concentration in the plasma samples collected during the GTTs was determined using a Mouse Ultrasensitive Insulin ELISA Kit (cat