Frontiers Drug transport by red blood cells Heinz bodies are small clumps of damaged hemoglobin found inside red blood cells. They form due to oxidative stress and are often seen in conditions like G6PD deficiency. Their presence can indicate L glutamine for sickle cell disease: Knight or pawn? Alina Sadaf, Charles T Quinn, 2020 Glutathione Antioxidant : The Powerhouse Molecule that Fights Aging Skin Lightening NYC Glutathione, Erythrocytes Doctor's Data Kit Brighter Life Labs