Certain supplements and foods may help lower the risk of colon cancer, with some outlets suggesting that omega-3 fish oil supplements could be beneficial. However, there are also indications that these supplements may not work as intended without a specific enzyme, and some common foods may actually increase the risk of colon cancer. Various experts recommend a range of foods, including high-fiber options, canned goods, dairy products, and fruits, to help reduce the risk of colorectal cancer.