Cal Matrix provides a unique blend of MCHC, vitamin D, glucosamine sulfate, targeted minerals, horsetail, and vitamin C for collagen, bone matrix, and joint support.♦ •Helps maintain joint health by supporting healthy bone density and cartilage matrix integrity.♦ •Delivers essential nutrients that naturally comprise healthy skeletal and connective tissue.♦ Two tablets up to three times daily or as directed by your healthcare practitioner. Two Tablets Supply: Vitamin C (as Ultra Potent-C®†)166.00 mg Vitamin D (as cholecalciferol)134.00 IU Niacin (as niacinamide ascorbate)12.00 mg Calcium (as MCHC and dicalcium phosphate)408.00 mg Phosphorus (as MCHC and dicalcium phosphate)258.00 mg Magnesium (as magnesium glycinate††)74.00 mg Zinc (as zinc glycinate††)5.00 mg Copper (as copper glycinate††)1.00 mg Manganese (as manganese glycinate††)0.00 mg Chromium (as chromium nicotinate glycinate††)80.00 mcg Microcrystalline Hydroxyapatite Concentrate (MCHC)†††896.00 mg Horsetail Aerial Parts (Equisetum arvense)50.00 mg D-Glucosamine Sulfate (as D-glucosamine sulfate KCl)166.00 mg Boron (as boron citrate)130.00 mcg Other Ingredients: Stearic acid, Croscarmellose sodium, Cellulose, Microcrystalline cellulose, Silica, Magnesium stearate, Coating (deionized water, microcrystalline cellulose, polyethylene glycol, and carrageenan), Contains: Crustacean shellfish (crabshells, shrimp) † Ultra Potent-C is a registered trademark of Metagenics, Inc. U.S. Patent #5,626,883. For a list of ingredients, please refer to the Ultra Potent-C product listings. †† Patented mineral amino acid chelates: U.S. Patent #5,516,925Albion®. ††† Microcrystalline hydroxyapatite concentrate supplies calcium, phosphorus, trace quantities of other minerals, and naturally occuring growth factors. In order to ensure proper use of our high-quality nutritional supplements, Metagenics only sells to licensed healthcare practitioners. The products listed in this online catalog are available in the United States and may not be available in other countries. In addition, certain formulas may be slightly different outside the US. ♦ These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any diseases. Availability: Usually ships in 2-3 business days ca004 ***SPEND $75 OR MORE AFTER COUPONS AND DISCOUNTS AND REGULAR SHIPPING IS FREE! IN THE COUPON SECTION, TYPE FREESHIP. IT CAN ALSO BE SELECTED IN THE DROP DOWN SHIPPING MENU ON THE ORDER FORM. IF THE ORDER IS $75 OR MORE AFTER COUPONS AND DISCOUNTS, NO SHIPPING WILL BE ADDED TO YOUR TOTAL*** Thank you for visiting our store. We strive to meet your needs and if there is anything we can do to make this a more effective experience, please let us know. We are committed to providing the absolute best quality products along with the best in customer service.