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Seen in this study (50 mg/mL outperformed 100 mg/mL) and in the 2007 Pyo laboratory study
Reduced Glutathione 760,000mg,DNA Collagen 4,000mg, Marine Collagen 10,000mg, Fruit Collagen 5,000mg, Vitamin C 1,000mg, Collagen Peptide IIl 7,600mg-Sheep Placenta 4,000mg, Vegetable Placenta 5,000mg, Stemcell 3,000mg,Vitamin C 10,000mg, Vitamin E 2,000mg, Kojic Acid 400mg, Vitamin A 1,600IU, Zinc
See what is AHK-Cu used for and is AHK-Cu a DHT blocker for a fuller comparison
While GHK-Cu skin benefits are well-documented, some users report temporary irritation or breakouts, especially if used with incompatible products
For example, curcumin has been evaluated in Phase II clinical studies in pancreatic cancer and colorectal cancer patients, where oral doses up to 8 g/day demonstrated acceptable safety but limited systemic exposure, highlighting pharmacokinetic challenges