* [[Beta-Cryptoxanthin]] (in papaya, mango, peaches, oranges, tangerines, bell peppers, corn and watermelon)seems to reduce the risk of lung cancer and colon cancer.
* beet juice is an astonishingly effective treatment for leukemia and other cancers : betanin pigments can impede tumor cell growth in tissues throughout the body, including the colon, stomach, nerves, lungs, breast, prostate, testicles.
* [[Cranberries]] have cancer-preventive benefits especially likely in the case of breast, colon, lung, and prostate cancer.
* recent studies seem to indicate that melatonin combined with Interleukin-2 may be more effective than chemotherapy in treating lung cancer.
* [[Limonoids]] have shown cytotoxicity to breast cancer, colon cancer, pancreatic cancer, liver cancer, neuroblastoma, leukemia, melanoma and non-small cell lung cancer.