Established 1971. 10 mcg (400 I. U.) per serving. Formulated to maximize calcium absorption. Supports body availability of calcium. Our pledge of integrity. Authenticity. Cleanliness. Freshness. Consistency. Accuracy. Adequate calcium and vitamin D as part of a healthful diet, along with exercise, may reduce the risk of osteoporosis later in life. Vitamin D assists in the absorption of calcium. This chewable wafer has a delicious natural orange flavor. This product has been manufactured at a GMP registered facility. Yes: Recyclable packaging. Certified B Corporation. Yes: Manufacturing supports wind power.