The Better Vitamin C Non-Acidic Gentle and Non-Acidic Patented Vitamin C Formula 100% Vegetarian 24-Hour Immune Support Dietary SupplementEster-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-C's unique, chemical-free manufacturing process neutralizes pH, making it non-acidic and gentle on the stomach. In a daily 1,000 mg dose, Ester-C delivers the advanced active immune system support and the potent antioxidant activity you can depend on.