24/case directions: children 2 years of age or older, dissolve 1 to 2 tablets daily under the tongue or as prescribed by a physician. Each tablet provides children with 55% of the daily recommended requirement of vitamin c. Please note that our tablets have a tendency to turn light brown in color over time. This color change will not affect potency. Hyland's vitamin c tablets are very soft and will dissolve almost instantly under the tongue. Sering size: 1 tablet ingredients: vitamin c 25mg other ingredients: lactose 25 mg and natural lemon flavor. 04/23/12