Science-Based NutritionWith Quatrefolic®️ Helps Support Energy Production And Cell MetabolismDietary SupplementHelps Support Energy ProductionHelps Support Body Metabolism and New CellsHelps Support DNA, the Body's Genetic BlueprintFull Spectrum B Vitamins Help Support Health and Well-BeingNon-GMO / Vegan / Gluten Free / Soy FreeDoctor's Best Fully Active B Complex contains all eight important B vitamins, a fully spectrum designed for optimal absorption and utilization to support overall health and well-being. Water soluble B vitamins play important roles in cell metabolism, supporting DNA, organs, genes, cells, tissues, skin health, immune system, enzyme functions and energy production.Quatrefolic®️ is the glucosamine salt of (65)-5-methyltetrahydrofolate, the most bioavailable form of folate, that provides greater stability and water solubility. Folate is an essential vitamin to support DNA, Proper cell division, cardiovascular, mental and emotional well-being.