Calcium Supplement. Builds strong bones and helps prevent osteoporosis. (Regular exercise and a healthy, low sodium diet with enough calcium helps teen, young adult and post menopausal women maintain good bone health and may reduce their high risk of osteoporosis later in life. Vitamin D improves calcium absorption) USP dissolution tested. Guaranteed No Added: Sugar, sodium, yeast, soy, wheat, dairy, gluten, egg, fragrance, artificial flavors and preservatives.