* consumption of cod liver oil was found to protect against lung cancer. Fish and cod liver are some of the richest food sources of vitamin D.
* [[piperine]] shows a positive effect on lung cancer by producing a significant decline in the formation of tumor nodules.
* [[Morinda Citrifolia]] edible leaf extract enhanced immune response against lung cancer," has found that an alcohol-based leaf extract of the noni tree (Morinda Citrifolia) was more effective than a commonly used chemotherapy drug in treating lung cancer in an animal model.
* [[Grape seed extract]]s may prevent the growth of breast, stomach, colon, prostate, and lung cancer cells in test tubes.
* [[Vitamin D]] may help people with lung cancer to live longer, according to a study released in 2005.