glutathione in human plasma decline in association with aging age-related Changes levels of the antioxidant brain and blood across the age span of healthy adults: A systematic review Aging‐Related Decline of Glutathione Peroxidase

By reducing ROS production, GSH inhibits NF-kB activation and consequently keeps the cytokine storm under control

Given the crucial role of nutrition, and in particular micronutrients such as Se, in the immune and inflammatory responses (Reference Zhang and Liu88,Reference Avery and Hoffmann108Reference Gombart, Pierre and Maggini110) , it is also fundamental to understand how nutritional status could influence the ability to respond to the SARS-CoV-2

High serum cobalamin levels in the clinical settingClinical associations and holo-transcobalamin changes

Older adults, vegetarians, vegans, people with digestive conditions and those taking certain medications may be at a higher risk of developing vitamin B12 deficiency