Product Label 100% Whole Food CalciumAll of the calcium in Alive! Whole Food Calcium is from plant sources: Lithothamniom (calcified red algae seaweed) sustainnabley harvested from priistine Icelandic waters, plus organic kale, spinach and collard greens.Easier for your body to DigestWhile many supplements contain calcium from limestone rock or animal bones, Alive! Whole Food Calcium provides calcium and 70+ trace minerals in a natural food matrix that may be easier for the body to digest,, absorb and utilize.Rapid Dissolving TabletsAlive! Whole Food Calcium tablets are specially designed to dissolve quickly in the digestive tract to help ensure a maximum level of nutrients are availble to be absorbed. Directions Take 4 tablets daily, preferably with food. For best results, take 2 tablets twice daily with food. Warning If you are pregnant, nursing, or taking warfarin or other prescription drugs, consult your healthcare practitioner before using this product. Does Not Contain: Gluten, sugar, yeast, wheat, dairy products, artificial flavors/colors or preservatives.