Chewable C-300 - Orange-Pineapple Flavor 300 mg 90 Veg Tabs - With its blend of orange and pineapple flavors, DaVinci Laboratories Chewable C-300 is a delicious way to add vitamin C to your supplement regimen. Each chewable tablet delivers 300 mg of vitamin C. A water-soluble antioxidant, vitamin C supports cardiovascular, vision and immune system health. It also includes mixed citrus bioflavonoids to enhance vitamin C's antioxidant abilities.