* Sweeter than onions, [[leek]] contain allyl sulphides that help protect against many types of cancer, particularly colon and [[Prostate Cancer]].
*[[Limonoids]] have shown cytotoxicity to breast cancer, colon cancer, pancreatic cancer, liver cancer, neuroblastoma, leukemia, melanoma and non-small cell lung cancer.
* [[Apples]] : Oligosaccharides from apples (pectin and other fibers) killed up to 46 percent of human colon cancer cells in vitro
* [[Coffee]] contains hundreds of biologically active compounds, including potent antioxidant activity, the most unique antioxidant being methylpridinium. Methylpridinium is found almost exclusively in coffee. It has anticancer properties for colon cancer and prostate cancer.
* [[Resveratrol]] halts the growth of colorectal cancers.