In five patients who underwent valve replacement surgery, the diseased valves were found to have distinctive features similar to those seen in carcinoid syndrome. We have never sold this product. See our Weightloss section. The only thing shark cartilage has been proven good for is sharks. We like sharks better than swallowing useless supplements, so we refuse to participate in the destruction of shark species.
Sharks do in fact get cancer.
I don't think there is any benefit to buying shark cartilage and eating it, any more than I think that eating a rabbit will make me run faster. Sharks do not get arthritis because the do not have any bones, and thus do not have any joints. When we can find the equivalent product without the shark cartilage, we will discontinue this product. This is the only shark cartilage product we have ever sold. Current harvest rates are unsustainable, and devastating to the local areas.