The experimentation with GHK-Cu is associated with a tentative reduction in MDA levels and a possible restoration of GSH levels, suggesting a potential ameliorative action on oxidative stress
It is an unapproved investigational compound that did not complete clinical development, has not been authorized by Health Canada for any human or veterinary indication, and is not intended to diagnose, treat, cure, or prevent any disease
But some users do report mild side effects, including: Headaches or dizziness (typically at higher doses or when stacking with GH-related peptides) Injection site irritation , redness, or swelling Nausea or GI discomfort when taken orally (more common with low-quality forms) Changes in mood or energy , including restlessness or mild anxiety These symptoms are usually temporary and resolve quickly with dosage adjustment or cycling off
Overview What is NAD+ and why it is not a peptide This is an important opening point, because NAD+ is often mentioned in the context of research peptides, but chemically it belongs to an entirely different category