Ester-C Advanced Antioxidant Formula — 90 Vegetarian Tablets. Once daily Ester-C has your immune health covered. It supports circulation, is beneficial to joints and connective tissues, helps reduce the premature aging of cells, and forms the basis for healthy hair, skin and nails. Helping to neutralize free radicals, Ester-C also aids in nutritional absorption and works with other antioxidants to promote cognitive health.Ester-C Advanced Antioxidant Formula delivers the 24-hour immune support of patented, non-acidic Ester-C Vitamin C with a concentrated complex of powerful food-based antioxidants in a once daily dose. This proprietary combination provides 3800 ORAC (Oxygen Radical Absorption Capacity) units per serving, which protects against free radical damage and the premature aging of metabolic cells.ORAC is a USDA recognized standard that measures the biological antioxidant activity of whole food compounds – the higher the ORAC value, the higher the antioxidant activity…the better for overall health. Even with a healthy diet, supplementing with additional antioxidants provides a superior level of protection. In a single serving, Ester-C Advanced Antioxidant Formula delivers the antioxidant equivalent of approximately two servings of whole fruits, or half the USDA recommended daily allowance. Daily intake of this dual-action formula offers a significant level of antioxidant wellness, coupled with the advanced 24-hour immune support of clinically researched Ester-C.