Powdered shark cartilage is taken as a supplement for phosphorus and calcium intake. It also contains chondroitin which has anti-inflammatory properties.
Shark cartilage is known to inhibit tumor growth and the treatment of eye disorders. It has been known to treat AIDS, arthritis, psoriasis, and bowel inflammation.
Sources in the Diet
Recent Studies and Articles
Shark cartilage in depth
American Cancer Society overview
-  – The New Encyclopedia of Vitamins, Minerals, Supplements, and Herbs