This article was #8 of the Top 25 most well-read articles on www.progressivedairy.com in 2013. It was published in the March 21, 2013 print issue. Click here for the full list of the Top 25. In this article, nutritionist Tom Whitten explains nutraceuticals, food that provides medical or health benefits. He details common nutraceuticals, including direct-fed microbials, enzymes, botanicals, antioxidants and fats.