Evidence supporting the use of: Fish (including shell)
For the body system: Prostate

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Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Fish and shellfish are scientifically recognized as beneficial to prostate health primarily due to their high content of omega-3 fatty acids, vitamin D, selenium, and zinc. Multiple epidemiological studies suggest that diets rich in omega-3 fatty acids, commonly found in fatty fish (such as salmon, mackerel, and sardines), may be associated with a reduced risk of prostate cancer or slower progression of prostate disease. For example, a meta-analysis published in the "American Journal of Clinical Nutrition" (2010) indicated that higher intake of marine omega-3s may be linked to a lower risk of advanced prostate cancer, though findings across studies are mixed and some research shows no significant association. Selenium and zinc, minerals found in shellfish like oysters and crab, have also been studied for their potential role in supporting prostate health, as they are involved in antioxidant activity and immune function within prostate tissue. However, large clinical trials such as the SELECT study have not confirmed a strong preventative effect of selenium alone against prostate cancer. Overall, while fish and shellfish are not a cure or definitive preventative for prostate disease, their nutrient profile supports a healthy prostate as part of a balanced diet. Current evidence supports a moderate role (rated 3/5) for fish and shellfish as beneficial dietary components for prostate health, though more targeted research is needed.

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