Any advice for how to lighten my extremely hyper pigmented lip edges? I'm kind of losing hope. I don't smoke. My lips have been dark for as long as I can remember.. Thank Lips Brightening Butter Your Solution to Dark Lips Skin By Jada Ross Below are my top tips for boosting glutathione levels. Eat sulfur rich foods. Glutathione contains a sulfur chemical group, which is kind of like its secret weapon. Sulfur is a sticky, smelly molecule Does Glutathione Reduce Melanin? Glutone Glutathione Tablets Before and After: Results to Expect