Hyperpigmentation Woes? How Glutathione Injections Can Help Even Skin Tone Site of Reactivity Models Predict Molecular Reactivity of Diverse Chemicals with Glutathione S. Joshua Swamidass, MD PhD Mast cells are hypersensitive immune cells that release histamine and other inflammatory mediatorsoften in response to oxidative stress, environmental toxins, and immune imbalance. Many patients with #MCAS have low levels of glutathione. Supplements and MCAS Mast Cell Action Glutathione 101: What It Is, Why It Matters, and How to Boost Your Levels Dr. Jill Carnahan, MD