oxidized glutathione vs reduced Scheme represents homeostasis. The glutathione and Glutathione: The “Master” Antioxidant –
Description
Vitamin E:A powerful antioxidant that protects cells from oxidative stress, supports skin regeneration, and aids in tissue healing and elasticity.It helps maintain healthy joint tissue and prevents premature aging of connective structures

Aug 2012;188(2):526-31

The fact that there is no upregulation with the control treatment is probably due to the lack of metabolically available selenium

Science 350(6265):1208-1213. [doi.org]

Packianathan C
