Established 1971 1000 mg : 500 mg : 400 I.U. D3 Now Thinner Tablets Gluten-Free Formulated to Maximize Calcium Absorption Only 2 Tablets Per Day Dietary Supplement Our Pledge of Integrity Authenticity Cleanliness Freshness Consistency Accuracy Target-Mins are made with specific free-form amino acids and uses a calcium: phosphorus and calcium: magnesium ratio of 2:1 to support calcium utilization. Supports body availability of calcium. Adequate calcium and vitamin D as part of a healthful diet, along with exercise, may reduce the risk of osteoporosis later in life.