OSRQuantity: 10g OSR is an abbreviation for Oxidative Stress Relief. OSR loves oxidative stress and binds the free radicals OH 3 to 1. Metals are all 1 to 1. It has an enormous ORAC score 192,400. In a phase 2 double blind clinical trial severely, mercury poisoned Ecuadorian gold miners who received 300 mg day for 2 weeks, just 4. 2 grams or 42 level 100 mg spoons showed significant drop in urine mercury, improvement in their symptoms and increased