Active Ingredients: 1 Tablet: Calories 5; Total Carbohydrates Uses: Airborne was created by a school teacher to support her immune system. Airborne is America's #1 best selling immune support dietary supplement for a reason. And if you've used it, you know. If not, ask someone who has!: No artificial colors or preservatives. With herbs, vitamins & minerals. 1,000 mg of vitamin C. High in antioxidants (vitamins A, C & E). Excellent source of zinc & selenium. Tastes great. Effervescent technology offers faster absorption.