Source

• The flax plant (Linum usitatissimum), which thrives in cold, northern climates, grows to 3 feet high and produces small blue flowers that contain seeds.
  
  

Cancer

• According to the American Cancer Society, flax oil is a dietary nutrient with anti-cancer properties. Animal research has found that a diet supplement that includes flax oil may reduce the development, growth, or spread of prostate cancer, breast cancer and melanoma.
  
  

Immune System

• The American Cancer Society advocates that flaxseed oil benefits the body's immune system, helping it defend itself against bacteria and viruses.
  
  

Other Health Benefits

• Omega-3 fatty acids added to a diet may help lower high blood pressure, increase HDL cholesterol (the good cholesterol) and help lower triglycerides, according to HealthCastle Nutrition, Inc.
  
  

Dosage

• Adding 2 grams per day of the omega-3 flax oil in a dietary supplement may help reduce the risk of coronary heart disease (CHD), according to the U.S. Food and Drug Administration.