What are Glutathione Benefits? Uses & Side effects Explained The reason some people stay sick despite treatment often comes down to one molecule. Glutathione is the most abundant antioxidant inside your cells. It protects mitochondria, recycles other antioxidants, and repairs Dr. Glutathione (GSH) is the most prevalent, powerful antioxidant in the body and recharges other antioxidants, but our ability to produce it declines as we age. That's why it's a Glutathione: Benefits and Supplements Glutathione Therapy Specialist in Orlando, FL