Tool: dosage calculator Sources FDA, is it a cosmetic, a drug, or both?: National Library of Medicine, GHK-Cu copper tripeptide in skin: Search intent update What readers usually check next Updated Jul 21, 2026 Best Time to Take GHK-Cu should be read as educational context, not a personal prescription
Its always best to consult your healthcare provider for personalised advice.
Here are some other ways to help increase levels of glutathione, along with taking care to optimize vitamin D: limit alcohol consumption decrease exposure to POPs increase intake of other antioxidants to decrease overall oxidative stress increase intake of nutrients that promote glutathione production, such as NAC (N-acetylcysteine), 1000 mg/day, whey, or SAMe get enough magnesium and selenium in the diet, as both are necessary for glutathione production foods such as almonds, cruciferous vegetables, and even alcohol-free beer have been shown to raise glutathione levels, as has exercise and meditation
Means were calculated from the average of at least 3 13 measurements per sample
The primary mechanism of action is the immediate neutralization of reactive oxygen species (ROS) at the cellular level