Day 1 of 15: What Is Glutathione? If you've never heard of glutathione, buckle up. This might be the most important health series you follow all year. Glutathione is produced inside every Simplify your Glutathione Measurements Arbor Assays Although G6PD deficiency, which can cause problems in red blood cells upon certain triggers, is the most common human enzyme defect, affecting over 400 million people, including over 1 in 10 Black G 6 PD The Disorder 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