Helium.com | Nutrition Basics | Superfoods to include in your diet http://www.helium.com/knowledge/44509-superfoods-to-include-in-your-diet.xml Helium.com > Nutrition Basics > Superfoods to include in your diet en-us Copyright Helium.com Mon, 05 May 2008 19:39:55 GMT Mon, 05 May 2008 19:39:55 GMT What exactly is a 'superfood'? According to nutritionist, Penny Kris-Etherton, Professor at Penn State's Department of Nutritional Sciences, superf... http://www.helium.com/items/1642382-nutriant-rich-superfoods-to-add-to-your-diet Sat, 07 Nov 2009 03:29:56