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 What happens when you take vitamin B2 (riboflavin) every day?, More stable energy (it helps convert food into fuel), Reduced fatigue & brain fog, Supports healthy skin + collagen production, Riboflavin is an antioxidant: a review update British Journal of Nutrition Cambridge Core Riboflavin: The Health Benefits of a Forgotten Natural Vitamin APLB] Glutathione Niacinamide Beauty Tablet (30 tablets) Korean Direct How to assess Vitamin B2 Status? B2 nutritional status is assessed through the ERYTHROCYTE GLUTATHIONE REDUCTASE ACTIVITY COEFFICIENT (EGRAC), which should be < 1.2. What is this coefficient? FAD Pedro Carrera Bastos