Cruciferous vegetables like kale, broccoli, and collards are all rich in Glutathione, as are sulfur-rich foods like garlic, onions, and shallots
However, if you think you know which proteins might be interacting with your protein of interest, perhaps based on their size and biological context, then you could do a Western blot using antibodies against the proteins you think they are
However, standard oral glutathione has a major flaw
[DOI] [PubMed] [Google Scholar] 66.Suzhou Kintor Pharmaceutical Inc
The lens is mostly made of proteins called crystallins
Dietary intervention has been reported to be effective in improving nonverbal IQ, ASD symptoms, and nutritional status in most individuals with ASD [30]