Dietary Supplement. 500 mg calcium plus. 500 IU vitamin D supplement. Natural and artificial flavors. Compare to Viactiv (this product is not manufactured or distributed by McNeil Nutritionals, owner of the registered trademark Viactiv). Resealable bag. Adequate calcium and vitamin D as part of a healthful diet, along with physical activity, may reduce the risk of osteoporosis in later life. Contains vitamin K - ask a doctor before use if you are taking a blood-thinning medicine (anticoagulant). Gluten free. Product of USA.