Quick Answer
Use iHerb discount code KHQ339 at checkout.
Advanced Nutrition by Zahler®Bioactive B-Complex FormulaAdvanced Two-Stage Delivery SystemGeneral HealthDietary SupplementFeel Better Everyday™Kosher PareveManufactured in a GMP Certified FacilityNon GMOGluten FreeDairy FreeSoy FreeVegetarian FriendlyBioactive B-Complex Formula Zahler B-Complex is formulated with a unique two-stage delivery system with half of the nutrients released immediately and the other half delayed for sustained benefit and enhanced absorption. This advanced formula includes only body-ready (coenzyme methylated and phosphorylated) forms that don't require complex conversion .