Vitamin C regenerates vitamin E 6 , and vitamin E considerably lengthens vitamin Cs shelf life in skincare formulations 7
Within the cell, it exists mainly (98%) in the thiol-reduced form (GSH), but some are also present as glutathione disulfide (GSSG)
Side effects are uncommon
Evidence Quality Summary The honest assessment: mechanistic data is compelling, animal data is supportive, and human data exists but is not conclusive for GHK-Cu alone
They may alleviate oxidative stress, enhance immune cell viability, diminish collateral damage, safeguard DNA and RNA-based medicines against degradation, and facilitate novel multi-modal therapeutic techniques when integrated with anti-inflammatory drugs, probiotics, or other nutraceuticals
Realistic Results Canadians Can Expect Expectations are where most people set themselves up to quit