Source Naturals, D-Ribose, 1000 mg, 90 TabsProduct Description Dietary Supplement For Workout, Energy, and Recovery* Product Benefits Ingredients Supplement Facts for for TabletServing Size: 3 Tablets Amount %DV Calories 15 Total Carbohydrate 3 g 1% Sugars 3 g Calcium 55 mg 6% D Ribose 3 g Other Ingredients: Dibasic Calcium Phosphate, Stearic Acid, Modified Cellulose Gum, and Silica. Suggestions 3 to 5 tablets daily with a meal. Special Note Suitable for vegetarians: contains no yeast, dairy,