Bone Builder® Ultimate 220 ct MCHC with Glucosamine Sulfate and Ipriflavone Bone Builder Ultimate provides the same calcium-rich MCHC found in original Bone Builder®, but with additional nutritional factors to help maintain healthy bone density. Bone Builder Ultimate also features glucosamine sulfate to support joint health Features ipriflavone, a unique isoflavone derivative that helps promote healthy bone metabolism. Glucosamine sulfate is a natural compound that helps to support joint and connective tissue health. With more than one-half of the total body stores found in bone tissue, magnesium has been shown to play an important role in bone metabolism. Boron is a trace mineral that may support bone health through its involvement in vitamin D and estrogen metabolism. Vitamin D is an essential nutrient that helps stimulate calcium absorption and regulate calcium and phosphorus levels in the body. Two tablets supply: Vitamin C (as ascorbic acid)...............................40 mg Vitamin D (as cholecalciferol).............................200 IU Vitamin K.........................................................33 mcg Calcium (as MCHC)...........................................400 mg Phosphorus (as MCHC).....................................209 mg Magnesium......................................................133 mg (as magnesium citrate and magnesium oxide) Zinc (as zinc glycinate†)....................................3 mg Copper (as copper citrate).................................333 mcg Manganese (as manganese aspartate)................1 mg Microcrystalline Hydroxyapatite .........................1,740 mg Concentrate (MCHC)†† D-Glucosamine