Caltrate Minis 6 Plus D3 Plus Minerals Calcium and Vitamin D Supplement Tablets contain calcium with vitamin D for bone strength, plus collagen-supporting minerals to help your bones stay flexible. Each serving of two mini bone supplement tablets contains 6 mg of calcium carbonate, a concentrated form of calcium, to support healthy bones and muscles. In addition to calcium, these bone health supplements contain key minerals like zinc, copper and manganese to help support collagen production to facilitate more resilient bones. Caltrate mineral supplement tablets have the most vitamin D3�4 mcg per two mini tablets�to help maximize calcium absorption to support stronger, healthier bones. (1, 2 ) At 35 percent smaller than the leading small calcium supplement, Caltrate Minis bone supplements are easy to swallow. Take two of these calcium tablets daily with food or as directed by a physician. In addition to minis, Caltrate tablets are available in soft chews, gummies and original calcium tablets.