GHK-Cu a copper tripeptide your body produces naturally sits at roughly 200 ng/ml in your bloodstream at age 20, and drops to less than 80 ng/ml by age 60. That decline doesn't just show up as slower skin repair
Why Tesamorelin Must Be Cycled: The Clinical Reason Behind the 3-Month Schedule Continuous, uninterrupted GHRH stimulation leads to receptor downregulation over time
Sources NIH Office of Dietary Supplements, Vitamin B12 Fact Sheet NIH Office of Dietary Supplements, Choline Fact Sheet MedlinePlus, Cyanocobalamin Injection Mayo Clinic, Vitamin B12 Injections and Weight Loss NCBI Bookshelf, Essential Amino Acids PubMed, Inositol Phosphate Signaling Network The American Journal of Clinical Nutrition, Lipotropic Agents and Lipid Transport
no clinically significant changes in glucose, lipids, or hormone panels were observed