Calcium and Magnesium are essential minerals intended to provide nutritive support for healthy bones and teeth. Phosphorus is necessary for proper skeletal growth, tooth development, kidney function and nerve impulses. Vitamin D is intended to provide nutritive support for enhancing Calcium absorption and metabolism. Nature's Life Calcium Magnesium & Phosphorus Liquid is an excellent way to increase the amount of calcium in your daily diet. This product is for those interested in an alternative to calcium tablets or capsules and desiring a more easily digested calcium supplement that is sugar-free, dairy-free, and paraben free. 100 percent natural and contains NO yeast, No milk or dairy products, NO wheat, NO gluten, NO rice, NO rye, NO wax, NO paraben, NO artificial flavoring and NO artificial coloring.