Bone Building Formula™ contains calcium and magnesium which along with regular exercise and a healthy diet helps teens and young adult women maintain good bone health.* Suitable for vegetarians. 4 Pack. Ingredients: Vitamin D3, Biotin, Calcium, Magnesium, Manganese, Plant Derived Trace Mineral Blend, Glucosamine HCl, Horsetail Herb, Rose Hips, Boron, Rice flour, vegetable capsules (plant cellulose and water), magnesium stearate and silica.