Vitamins

• Studies have shown that consuming high quantities of selenium, Vitamin E and lycopene can help reduce the risk of prostate cancer.
  
  

Vitamin D

• There is also evidence that having unusually high levels of Vitamin D in your bloodstream can be protective.
  
  

Phytoestrogens

• Many soy products have a type of plant hormone called phytoestrogens. These are also thought to prevent prostate cancer.
  
  

Ejaculation Frequency

• There is also evidence that men who frequently ejaculate, either due to sexual intercourse or due to masturbation have a lower risk of developing prostate cancer.
  
  

Oils and Fatty Acids

• The Omega-3 class of fatty acids, which are commonly found in fish, has been shown to slow the growth of prostate tumors.