1.What Is Omega-3?
Omega−3 fatty acids, also called Omega-3 oils, ω−3 fatty acids or n−3 fatty acids, which is clear Liquid ＆ Very light fish odor
They are widely distributed in nature, being important constituents of animal lipid metabolism, and they play an important role in the human diet and in human physiology.
Mammals are unable to synthesize the essential omega−3 fatty acid ALA and can only obtain it through diet.. 
2.How Omega-3 Works
They are an integral part of cell membranes throughout the body and affect the function of the cell receptors in these membranes. They provide the starting point for making hormones that regulate blood clotting, contraction and relaxation of artery walls, and inflammation.
Foods high in Omega-3 include fish, vegetable oils, nuts (especially walnuts), flax seeds, flaxseed oil, and leafy vegetables.
They’re also an energy source and help keep your heart, lungs, blood vessels, and immune system working the way they should.
3.Benefits and Uses
Lower blood pressure.
Reduce triglycerides.
Slow the development of plaque in the arteries.
Reduce the chance of abnormal heart rhythm.
Reduce the likelihood of heart attack and stroke.
Lessen the chance of sudden cardiac death in people with heart disease.