The Better Vitamin C Non-Acidic Gentle and Non-Acidic Patented Vitamin C Formula 100% Vegetarian 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. Added citrus bioflavonoids may help your body better absorb and utilize vitamin C.