Ingredient interactions that dictate timing The real complexity in copper peptide timing comes from how GHK-Cu interacts with other active ingredients in your routine
This is not to argue that supplements containing glutathione are ineffective
6 AquilanoK.BaldelliS.CirioloM
(PubMed) Steiner M, Khan AH, Holbert D, Lin RI
People who are pregnant or breastfeeding People taking prescription medications NAC may interact with certain medications, including nitroglycerin and other nitrate-containing drugs, potentially increasing the risk of headaches, dizziness, and low blood pressure.26 Because NAC is also being studied alongside treatments for respiratory disease, mental health conditions, fertility, and other medical concerns, it's a good idea to review any supplements with your healthcare provider before adding them to your routine
It's crucial to remember that research on glutathione is ongoing, and much remains to be understood