With pure, powdered acerola cherry, this wholefood vitamin C contains a rich array of bioflavonoids, vitamins, minerals and other phytonutrients for antioxidant and immune system support. In capsule form. What makes this supplement Bio-effective?: Wholefood form with full complex of phytonutrients and bioflavanoids to aid absorption in the body A natural, non-acidic form of vitamin C that is well-absorbed, retained and used by the body, in an optimally effective dose.