The commercial version (Geref) was discontinued in 2008 and is no longer available as a prescription medication
Glutathione helps protect brain cells from damage, while NAC boosts glutathione levels in the brain, supporting cognitive health
However, the authors of these meta-analyses listed some limitations that open the way for carrying out more RCTs to answer questions: a small number of available trials and high heterogeneity between included studies 107
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A definitive diagnosis is made by finding increased levels of cystine in polymorphonuclear leucocytes
however, it can also lead to cell death in specific contexts (92, 93)