21st Century Immublast Chewable Tablets provide immune support with a delicious citrus flavor. These chewable tablets are formulated with a blend of vitamins, minerals, and antioxidants, including vitamin C, vitamin D, zinc, and echinacea, to help strengthen the body's natural defenses and promote overall health and wellness. With a convenient chewable format, they're easy to take on the go and suitable for the whole family.