From the depths of the ocean come two of the nutraceuticals industry's evolving nutritional supplements. While not on the level of fish oil in terms of clinical science or consumer awareness, shark cartilage-and to a lesser degree chitosan-can be considered emerging markets in the nutritionals field. Although the big splash made by shark cartilage in the media a few years ago has faded-and chitosan has yet to take off at the consumer level in the same way-the two segments are facing similar challenges.
Studies done on chitosan show benefits for those with high cholesterol and weight problems, while shark cartilage reportedly benefits those with arthritis and cancer. While the two products may be for different indications, the main concerns with both are whether they can live up to their claims and whether or not they
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