Knowing your vitamin A and glutathione levels are key for being able to battle most any virus including the coronavirus. I went in yesterday and added these two markers to my hormone Rapid and effective protocol to measure glutathione peroxidase activity Bulletin of the National Research Centre Springer Nature Link Glutathione Index Test Measure Antioxidant Levels At Home Fatty Acid Labs Metabolic enhancement of glutathione biosynthesis via StGCL overexpression reduces acrylamide formation and improves salinity and osmotic stress resilience in potato tubers ScienceDirect What is glutathione and why must we protect patient access to it?