41 All Natural Lung Cancer Meal Recipes: Cancer Fighting Foods That Will Help You Stimulate Your Immune System By Joe Correa CSN To avoid lung cancer, good nutrition is a key factor and foods such as collard greens, broccoli, orange juice and seafood (especially cod) are the key ingredients. These foods in particular will help to give you the necessary nutrients and minerals that are helpful in preventing lung cancer. Collard green leaves are full of sulfur containing compounds that support detoxification. Broccoli. Broccoli is the only vegetable with a sizable amount of sulforaphane, a powerful compound that boosts the body’s protective enzymes and flushes out cancer-causing chemicals. Some researchers say oranges are a complete package of every natural anticancer inhibitor known up to now. Limonene in oranges can stimulate our antioxidant detoxification enzyme system, which helps to prevent and stop cancer. While we often think of milk having vitamin D, we can also find high amounts in shrimp, salmon, and cod. Another good source are eggs.