Flaxseed and flaxseed oil are rich in omega-3 fatty acids, protein, fiber, thiamin, and copper. It is promoted for a variety of disorders that include stomach and intestinal complaints, such as constipation and diarrhea. Flaxseed and flaxseed oil are also promoted for heart health as it helps lower cholesterol, blood pressure, and triglyceride level. Flaxseed can be an excellent addition to your morning smoothie, oatmeal, or even pancakes.