Irwin Naturals Vita C Plus Urgent Rescue liquid softgels contain a mega dose of Vitamin C and feature 1000mg of Vitamin C plus Zinc Echinacea Rose Hip and Olive Leaf Extract. Vitamin C also known as ascorbic acid is a water-soluble nutrient that acts as an antioxidant in the body. This important antioxidant neutralizes free-radicals which cause cellular damage in the body and contribute to the aging process. Vitamin C also helps boost natural immunity. Vita-C Plus Urgent Rescue supplies a mega dose of this vital nutrient a full 1000 mg per daily serving. It is also formulated to supply a broad range of botanicals such as Olive Leaf extract Rose Hip Fruit and Echinacea Purpurea extract that have been traditionally used in formulas to support the immune system.