l-theanine and glutathione (Standard) (L-Glutamic Acid γ-ethyl amide (Standard)) | Neuroprotective Agent How does the tea L-theanine

In addition, blood tests were performed to asses each participants level of oxidative stress

In addition to metabolizing bilirubin and certain anti-cancer drugs in the liver, the alpha class of these enzymes exhibit glutathione peroxidase activity, thereby protecting the cells from reactive oxygen species and the products of peroxidation

Since LTLs are clearly affected by the leukocyte turnover, it makes it difficult to determine whether variations in LTL can be attributable to a blood-sample leukocyte composition or to a particular condition of interest (Hastings et al., 2018)

(PubMed) Macready AL, Butler LT, Kennedy OB, Ellis JA, Williams CM, Spencer JP