uchihaMadara
Dr. Mark Hyman has some interesting things to say about Glutathione.
http://www.huffingtonpost.com/dr-mark-hyman/glutathione-the-mother-of_b_53049...
Tips to increase glutathione (this is in the article):
1. Consume sulfur-rich foods.
2. Try bioactive whey protein.
3. Exercise boosts your glutathione levels and thereby helps boost your immune system, improve detoxification and enhance your body's own antioxidant defenses.
4. N-acetyl-cysteine.
5. Alpha lipoic acid.
6. Methylation nutrients (folate [5 methyltetrahydrofolate] and vitamins B6 [5P5] and B12 [methylcobalamin]).
7. Selenium.
8. A family of antioxidants including vitamins C and E (in the form of mixed tocopherols), work together to recycle glutathione.
9. Milk thistle (silymarin)
Also,
Check out some of the comments.