As I mention in my book, N acetyl cysteine (NAC) is not found in food sources, but in the body, it converts into cysteine. NAC acts as a precursor to glutathione, a powerful 6 health benefits of glutathione The 7 Best Glutathione Foods Foods Highest in Glutathione Now offering Glutathione injections Glutathione is a powerful antioxidant that supports immune health, liver function, inflammation reduction, and overall wellness from the inside out. Call or message us to schedule your