upport your joint health with Geri-Care Oyster Shell Calcium/Vitamin D Joint Health Supplement. Formulated with a potent blend of oyster shell calcium and vitamin D, this supplement promotes strong bones, joints, and overall skeletal health. Enhance calcium absorption, reduce the risk of osteoporosis, and improve joint mobility with Geri-Care. active ingredient: vitamin d-3 200 i.u., calcium 500 mg serving size of active ingredient: adults one tablet, twice a day. inactive ingredients: calcium carbonate, cellulose, acacia, maltodextrin, croscarmellose sodium, hypromellose, titanium dioxide, soy polysaccharide, triacetin, sodium lauryl sulfate, talc, mineral oil, starch, sucrose, riboflavin, fd&c blue #1 lake, sodium ascorbate, triglycerides, silica and tocopherols. store at room temperature os-cal is a registered trademark of glaxosmithkline consumer health