Daily Spectra-Scorb Powder is a blend of calcium, potassium and zinc ascorbates with quercetin and citrus bioflavonoids. 1/2 teaspoon of Spectra-Scorb Powder provides vitamin C (1000 mg), Calcium (70 mg), Magnesium (73 mg), Potassium (56 mg) and Zinc (6.5 mg), Bioflavonoid complex (350 mg equal parts quercetin and citrus bioflavonoid Concentrate). 10 oz per jar. (NE)