Eating a variety of whole foods rich in glutathione, such as vegetables and fruits, is generally considered safe and beneficial for most people
Most healthcare professionals view it as generally safe because it is an endogenous substancemeaning your body already makes it and expects it to be there
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Li J, Jia B, Cheng Y, Song Y, Li Q, Luo C (2022) Targeting molecular mediators of ferroptosis and oxidative stress for neurological disorders
Kidney disease Ferroptosis has been implicated in acute kidney injury (AKI) and chronic kidney disease (CKD) pathogenesis
In practice, copper toxicity from GHK-Cu is probably uncommon when its used reasonably, especially in topical products