Flax is a food crop, being considered as a fiber. In turn, flax seeds are a good source of dietary fiber and omega-3 fatty acids, including alpha-linolenic acid.
Flaxseeds also contain phytoestrogens that are similar to the hormone estrogen. When consumed before a meal, flaxseed appears to help reduce hunger, a method used in weight loss diets. Flaxseed is used to relieve, manage, or treat a wide range of conditions, such as: constipation, diabetes, high cholesterol, obesity, and kidney swelling in people with lupus.