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Three Active Form of B12, Sustainably Sourced from EuropeAdvancedVeganNon-GMOGluten-FreeAbsorbableMyBlueprintDietary SupplementGMP ManufacturingQuality AssuredIndependent TestingDiscussion: Methylcobalamin, hydroxocobalamin, and adenosylcobalamin are active sources of vitamin B12, each form with its own unique benefits. Methylcobalamin is produced sustainably using Green Chemistry.