Ester-C is a breakthrough patented Vitamin C formula supported with naturally occurring metabolites. Metabolites help enhance the absorption of Vitamin C by your white blood cells an important part of your immune system. Ester-Cs unique chemical-free manufacturing process neutralizes pH making it non-acidic and gentle on the stomach. In a daily dose Ester-C delivers the advanced active immune system support and the potent antioxidant activity you can depend on. Added Citrus Bioflavanoids may help your body better absorb and utilize Vitamin C.Other products from HerbsPro