According to the American Heart Association, increasing your intake of omega-3s can help reduce the growth of arterial plaque. This helps avoid blood clots and improve heart health. Omega-3s can also lower triglyceride levels and can help reduce the risk of arrhythmias.
Flaxseed oil may improve symptoms of Attention Deficit Hyperactivity Disorder, according to the Mayo Clinic. Other studies the Mayo Clinic reports on indicate that flaxseed oil reduces dry eyes associated with Sjogren's syndrome and may help decrease mild menopausal symptoms.
Flaxseed oil appears to be well-tolerated in most people and few side effects have been reported. Flaxseed oil shouldn't be applied to broken skin or open wounds, according to the Mayo Clinic. Signs of overdose include weakness, difficulty walking and shortness of breath.
According to the Mayo Clinic, flaxseed oil should be used cautiously in people with bipolar disorder, because it may cause manic episodes. The Mayo Clinic also reports that this supplement may have laxative effects, so it should be avoided by people who have irritable bowel syndrome or other digestive disturbances.