Walnut kernels are great source of omega 3 fat helps to keep Bones healthy as they decrease in strength due to age. .Wallnut kernels are great source of Melatonin that induces sleep.Wallnut kernelshelps to reduce extra weight. Antioxidants in walnuts were 2 to 15 times as potent as vitamin E renowned for its powerful antioxidant effects, which protects the body against damaging natural chemicals involved in causing diseases.