The "master antioxidant" simply wasn't making it past the gut
The H protein then shuttles this methylamine group to the T protein, which catalyzes the transfer of the methylene group (CH 2 ) to tetrahydrofolate, forming 5,10-methylenetetrahydrofolate
Supplementing with a form that survives digestion is key to maintaining adequate cellular levels.* Why does the delivery method matter for glutathione
One exception is the analysis of fluorescent protein substrates such as rxYFP or roGFP2, which allow a direct continuous detection of the reversible glutaredoxin-dependent protein disulfide reduction and formation in vitro 14,15,31,32,33,34,35
To keep blood sugar stable you need to eat regular meals with snacks that have balanced amounts of carbohydrates proteins and healthy fats
Therefore, unless GSH levels in the lens are returned to optimal, supplementing with ascorbic acid is unlikely to offer any significant benefit