Each bottle of Twinlab Calcium Citrate contains 60 chewable wafers.Ingredients:Four delicious Twinlab Calcium Citrate chewable wafers supply: Elemental Calcium (from calcium citrate), Elemental Magnesium (from magnesium aspartate & magnesium oxide), Vitamin D-3Product Facts:Serving Size (wafer) 4Servings Per Bottle 15Calcium (mg) 1000Magnesium (mg) 500Vitamin D-3 (iu) 400