Liposomal Glutathione Setria Antioxidant 60 Capsules (30 Servings) GNC Brazil nuts are one of those simple but powerful foods I come back to again and againespecially with my thyroid patients. They're the richest natural dietary source of selenium, a trace mineral Glutathione is such a critical soldier in our line of defense that our bodies make it themselves. We even have mechanisms that recycle and reuse it. But what happens when our toxic Did you know L glutamine is the most abundant amino acid in the bloodstream?