- Patented Vitamin C Formula
- 100% Vegetarian
- Advanced Active Immune System Support
Ester-C is a breakthrough, patented Vitamin C formula supported with naturally occurring metabolism. Metabolites help enhance the absorption of Vitamin C by your white blood cells, an important part of your immune system. And, because Ester-C absorbs into your system and stays there, 1,000 mg daily delivers the advanced active immune system support and potent antioxidant activity you can depend on.