Vitamin C 1000mg effervescent tablets are designed to provide a potent dose of Vitamin C in a convenient and easy-to-take form. Vitamin C, also known as ascorbic acid, is an important nutrient that plays multiple roles in the body, including supporting the immune system. With Zinc, creates a potent duo that boosts immune system and strengthens your body's natural defenses. Also it is Vegan Friendly and it has Orange Flavor.