1. Green tea

Green tea is one of the healthiest drinks and is high in antioxidants. Antioxidants prevent cancer associated cells from attacking healthy cells and can decrease cancer risk. Green tea can help protect against prostate cancer. It also helps lower cholesterol, increase concentration and memory. 

2. Nuts

Although high in fat, nuts are made up of healthy fats. They can also help lower cholesterol and improve neurological health. For prostate cancer, Brazil nuts are an excellent source of selenium, vitamin E, and calcium. Other healthy nuts include pecans, almonds and walnuts. 

3. Berries

Cranberries, strawberries, blackberries, and raspberries are high in antioxidants and vitamin C. Cranberries can also help bladder health and vitamin C may help reduce symptoms of an enlarged prostate. 

4. Legumes and soybeans 

Legumes contain phytoestrogens called isoflavones. Isoflavones may help fight prostate cancer by slowing tumor growth. Beans, lentils, and peanuts are all great sources containing isoflavones. 

5. Tomatoes

Tomatoes contain lycopene - a powerful antioxidant that also gives tomatoes its rich red color. Lycopene may help lower prostate cancer risk, prevent prostate cancer or slow tumor growth in men who have prostate cancer. Tomatoes release most of its lycopene when cooked or pureed.

6. Watermelon

Watermelon is high in vitamin A and vitamin C. It also contains zero fat, zero sodium, and is another excellent source of lycopene. Lycopene can also be found in grapefruit and apricots. 

7. Fatty fish

Fatty fish contain lots of omega-3 fatty acids. Omega-3 fatty acids may help lower prostate cancer risk. They also help lower high blood pressure, bad cholesterol, and heart attack risk. Types of fatty fish to try that may help lower prostate cancer risk include salmon and sardines. 

8. Pomegranate juice  

Pomegranate juice is rich in antioxidants. Some studies have found that drinking pomegranate juice may slow tumor growth and progression in men with prostate cancer. The antioxidants found in the pomegranate may actually work to slow the rise of the PSA level. 

Sources: Everyday Health, Healthline