Sunflower seeds are harvested from the flower head of the sunflower plant. While the seed itself is encased in a black and white striped shell, sunflower seeds are white and have a tender texture. - Sunflower seeds are excellent sources of several nutrients — including vitamin E and selenium — and beneficial plant compounds that can help prevent chronic diseases. - Immunity Booster : Immunity boosting effects of sunflower seeds are due to the presence of vitamin E, zinc and selenium in them. Reduces Cholesterol : The fibre content of sunflower seeds decreases levels of LDL cholesterol in the blood. Cardioprotective Effects : Sunflower seeds are rich in oleic and linoleic acid and low in saturated fats and sodium. They also contain magnesium, potassium and fibre. Reduces risk of Cancer : Presence of strong antioxidants in sunflower seeds also reduces the risk of cancer. Sunflower seeds contain nutrients and plant compounds that help reduce your risk of inflammation, heart disease and type 2 diabetes.