Principle Healthcare Vitamin C 1000mg Effervescent Tablets - 20 Count Boost your immune system and revitalize your energy levels with Principle Healthcare Vitamin C 1000mg Effervescent Tablets! Each tablet is packed with 1000mg of Vitamin C, designed to help fortify your body's natural defenses and improve your overall health. The convenient effervescent form makes it not only easy to consume but also a refreshing experience.