Description: Ester C Plus 100 caps Each Capsule Contains: Ester C® 675 mg. Calcium 75 mg. Pycnogenol® 3.0 mg. Rutin N.F. 50 mg. Bioflavonoids 50 mg. In a base of Quercetin, Echinacea and Beta-Carotene Ester C is a registered trademark of Inter-Cal and is manufactured under patent #4822816. Other ingredients: Cellulose, gelatin and vegetable stearate Suggested Usage: Adults take 1 or more capsules daily or as directed by physician.