Elemental Selenium and Vitamin B2 (riboflavin) are essential for glutathione use and recycling. Selenium is really low in Australian soils, and people are commonly deficient. Signs of low B2 are blood Still tired even after sleeping? Cracks at the corner of your mouth? Your body might be screaming for Vitamin B2 Most people ignore this until the signs get obvious. Vitamin Riboflavin is an antioxidant: a review update British Journal of Nutrition Cambridge Core 10.41 Riboflavin Functions Nutrition Flexbook Revitalising Riboflavin: Unveiling Its Timeless Significance in Human Physiology and Health Riboflavin (Vitamin B2): MTHFR and FMO3 SNPs Genetic Lifehacks