Fish oil may lower triglycerides and reduces the chance of heart disease and stroke, states WebMD. When taking fish oil, patients should avoid taking more than the recommend amount, as overconsumption may increase some of these same risks.
While people often take fish oil for a variety of reasons, surgeons sometimes recommend use of fish oil after angioplasty to reduce blockage of the artery after surgery, according to WebMD. When the patient begins the supplements several weeks before the procedure and continues it for a month afterward, reduces the chances of a reblockage forming by 45 percent. Other possible benefits of fish oil supplements include decreasing the chance of macular degeneration due to aging, miscarriages and attention deficit hyperactivity disorder.
The use of fish oil is a part of an overall lifestyle change, according to Drugs.com. Patients receive the greatest benefit when they follow their doctor's orders regarding diet, exercise and weight control. Before beginning the use of fish oil supplements, it is important for patients to talk with their doctor concerning any over-the-counter or prescription medications. Other nutritional supplements and vitamins also have the potential to interact with fish oil supplements.
Fish oil is rich in omega-3 fatty acids, according to WebMD. Supplements often contain a small amount of vitamin E, which serves as a preservative. Some supplements also mix other vitamins with the oil.