2,3 Though both oral and intravenous (IV) formulations of glutathione have been explored in the literature, the evidence regarding their bioavailability, safety, and efficacy remains inconclusive
Discussion This study demonstrates that PEGylated liposomal RSV reduces oxidative stress in a region-specific manner in a VPA-induced model of autism, although these biochemical effects were heterogeneous across brain regions
However, as reassuring as all of this is, there are a couple of things to remain mindful of: Copper toxicity Because GHK-Cu contains copper, it does pose a potential risk of copper toxicity,12 the symptoms of which include abdominal pain, vomiting, chest pain, chills, cough, fever, general weakness, anemia, burning sensations, tremors, and a metallic taste in the mouth.13 The risk is small, as the concentrations of copper in the peptide are typically well within safe parameters, but its good to be aware of it
AM, EA, JV, CP, and AS helped with recruitment of study subjects
Without them, your body can't properly recycle glutathione or use it efficiently, and that's usually why people get jittery or uneasy on other brands