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Chronic alcohol consumption works in the opposite direction, depleting hepatic glutathione by increasing oxidative stress and reducing cysteine availability

Treatment outcomes of resected esophageal cancer

The combination of mast cell stabilization and gut barrier repair makes BPC-157 particularly valuable for people dealing with food sensitivities and food-related immune reactions

Gao G, Shi Y, Deng H-X, Krainc D

So normal people don't really "store" it but most is not lost
Two popular regenerative approaches