J Pharmacol Exp Ther (2015) 353:719
Many foods that are high in glutathione, sulfur, and other antioxidants have been linked to improved glutathione levels, such as ( 4 ): whey protein powder (high in cysteine) cruciferous vegetables (e.g., broccoli, cabbage, cauliflower, bok choy, Brussels sprouts) allium vegetables (e.g., garlic, onions, shallots) other fruits and vegetables (e.g., asparagus, avocado, cucumber, green beans, mango, papaya, spinach, and tomato) herbs and spices (e.g., curcumin from turmeric) green tea selenium-rich foods (e.g., Brazil nuts, beef, chicken, seafood, dairy products, and whole grains) vitamin C foods (e.g., bell peppers, papaya, mango, oranges, kiwi, Brussels sprouts, cabbage, cauliflower) omega-3s (e.g., fatty fish, omega-3 supplements ) While helpful, it's currently debated whether eating a diet rich in glutathione will significantly improve glutathione levels, since it's not completely absorbed through food

Int J Med Mushrooms 7(1&2):111118 Zhu LN, Tang Q, Zhou S, Liu Y, Zhang Z, Gao X, Wang S, Wang Z (2014a) Isolation and puri f ication of a polysaccharide from the caterpillar medicinal mushroom Cordyceps militaris (ascomycetes) fruit bodies and its immunomodulation of RAW 264.7 macrophages
Not only does it make everyday activities difficult, but it can also lead to a reduced quality of life