- Heart disease. Research suggests that dietary intake of lignans, which are found in flaxseed and other foods, does not reduce the risk of heart disease.
- Colorectal cancer. Research on the effect of flaxseed on colorectal cancer risk is inconsistent. Some research shows that consumption of lignans, which are in flaxseed, is not associated with a reduced risk of colorectal cancer. However, other research suggests that it is.
- Flaxseed cap.is a good source of dietary fiber. Eating flaxseed-containing muffins seems to increase bowel movements in young adults, while eating flaxseed-containing yogurt seems to increase bowel movements in elderly people.
- Endometrial cancer. Research suggests that blood levels of lignans, which are found in flaxseed and other foods, are not associated with endometrial cancer risk.
- High blood pressure. Early research shows that taking flaxseed extract cap two daily for 6 months reduce blood pressure in men but not in women.
- Irritable bowel syndrome (IBS). Early research shows that taking 2 cap of flaxseed daily for 4 weeks does not improve quality of life or the severity of IBS symptoms in people with IBS.
- Lung cancer. Research suggests that people, who eat more phytoestrogens, such as those found in flaxseed, might have a lower risk of developing lung cancer than those who eat less.