Sour: strawberry, watermelon, green apple, orange tangerine. Real fruit juice! Great fruit taste! Starburst Sour GummiBursts are chewy and delicious fruit-flavored gummies that actually burst with real, sour fruit flavor. The mouth-watering flavors of sour strawberry, watermelon, green apple and orange tangerine come alive as you bite into the juicy liquid centers, for a sour burst of fruity refreshment like never before! Gluten-free.