Herbs For Kids Vi Protection Blend contains herbs that have been used in traditional medicine to support the immune, respiratory, and digestive systems. This effective formula’s key ingredients include Echinacea and lemongrass (immune support), thyme leaf (respiratory support), and ginger root (digestive support). This is one of the most delicious Herbs For Kids formulas. For best results, be sure your child gets plenty of rest and has a low-fat, high-fiber, medium-protein diet.