The active components present in Bilberries are called flavonoids (water soluble pigments), in particular the anthocyanosides. Directions: Swallow one to three tablets daily with food. DO NOT EXCEED THE STATED AMOUNT. No artificial flavours or preservatives. No added Sugar, Salt or Colours. Gluten Free. Wheat Free. Yeast Free. Dairy Free. Soya Free. Corn Free. Ingredients: Di Calcium Phosphate (Bulking Agent), Microcrystalline Cellulose (Bulking Agent), Bilberry Extract (Vaccinium myrtillus), Silicon Dioxide (Anti-caking Agent), Magnesium Stearate (Veg Source Anti-caking Agent), Vegetable Cellulose (Glazing Agent), Vegetable Glycerine (Glazing Agent), Carnauba Wax (Glazing Agent).