Shark Cartilage and CANCER The shark fin cartilage has protein, phosphorus, carbohydrates and calcium, which is why it has been added to natural medicine (health food), and con- has a component that acts as an anti-inflammatory , analgesic and most importantly that stimulates the immune system to stop the formation of blood vessels and this helps not develop tumors and metastases , arthritis , diabetic retinopathy , psoriasis, vascular glaucoma in particular rheumatoid arthritis and all those inflammatory diseases.