Glutathione is a potent antioxidant that helps to neutralize those free radicals and reactive oxygen species, as well as regenerating other antioxidants - such as vitamins C and E - to keep them active
They have been shown to possess important roles in wound healing, skin regeneration, antimicrobial activities, cancer cell cytotoxicity, neurological and cardiovascular recovery and protection, cosmeceutical, food and dietary supplementation, muscle repair, and sports nutrition
But typically, I do a lot of high-intensity interval Tabatas on a stationary cycle
doi: 10.1515/CCLM.2003.032 249 Decreased consumption of corticosteroids after selenium supplementation in corticoid-dependent asthmatics
Finally, simply activating your hypoglossal nerve and the adjacent vagal nerve to tone down your sympathetic nervous system will help