This is because over time oxygen in the air will oxidize reduced glutathione making it worse at eluting your protein from the beads
North Central Cancer Treatment Group/Alliance trial N08CA - the use of glutathione for prevention of paclitaxel/ carboplatin-induced peripheral neuropathy: A phase 3 randomized, double-blind, placebo-controlled study
In Japan, long-term vitamin E treatments (300 mg/day) for more than 2 years can ameliorate hepatic fibrosis in NASH patients, especially in those whose serum transaminase activities and insulin resistance can be improved [16]
346 Aromatherapy using lavender has been shown to be beneficial in subjects with primary sleep disorders as well as those with other conditions that can be complicated by insomnia, such as neurological, psychiatric, heart, kidney, respiratory, and metabolic diseases, as well as cancer