While oral glutathione is generally considered to be safe, there is not enough data to recommend long-term use, especially for women who are pregnant or breastfeeding, people who take prescription or over-the-counter drugs, and those who have chronic conditions, says Malhotra
Psychiatric genetics 16, 105115, doi:10.1097/01.ypg.0000199444.77291.e2 (2006)
That said, sometimes lifestyle changes aren't enough to raise glutathione levels, especially if you're dealing with higher oxidative stress, inflammation, or conditions like insulin resistance or liver disease
beta-LAPachone ameliorates doxorubicin-induced cardiotoxicity via regulating autophagy and Nrf2 signalling pathways in mice
M., Brooks, J
10.1007/s11883-018-0737-7 Curr Atheroscler Rep