Walnuts. Healthy snack. Contain melatonin to aid good sleep plus antioxidants and Omega-3 fatty acids to reduce cholesterol.

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Keywords: 3, acids, background, black, cholesterol, fatty, food, healthy, melatonin, minerals, natural, nature, nuts, omega, portion, reduce, serving, shells, shiny, sleep, snack, source, vitamins, walnuts