can glutathione levels be tested reduced (GSH) (expressed as mmol/ g tissue used) in How to test for Glutathione.

JAMA Otolaryngology Head & Neck Surgery, 131 (11), 970-975

A higher level of oxidative stress as evidenced by elevated plasma malondialdehyde levels and low levels of GSH, -tocotrienol and GSH peroxidase activity in patients under 45 years old may play a role in the development of premature coronary artery disease and be potential biomarkers for premature coronary artery disease (153)

Zubiaga, L

They do not consider this type of procedure to be alternative or complementary medicine

However, the amount produced in the liver may not always be enough to meet the body's demand, and dietary sources alone may not be sufficient to boost glutathione levels