Flax seeds (Linum usitatissimum) â also known as common flax or Linseeds. Lately they have gained popularity as healthy food. This is due to their high content of heart-healthy omega-3 fats fiber and other unique plant compounds. Flax seeds have been linked to health benefits such as improved digestion and a reduced risk of heart disease type 2 diabetes etc. They're easily incorporated into your diet â grinding them is the best wayto make the most of their health benefits.