Extended Comments: 6/case directions: take 6 drops, 2 times per day. Put drops in a glass of water or juice and drink or put directly into mouth. Serving size: 6 drops servings per container: 160 ingredients: vitamin d3 400iu biotin 5mg zinc gluconate 1mg boron citrate .5mg silica 6mg other ingredients: purified water, glycerin, sodium bicarbonate, xylitol, sodium benzoate, natural vanilla flavor. 03/24/11