(TrendHunter.com) Special K recently expanded its portfolio with the introduction of the new Special K Brown Sugar Cinnamon cereal. The new offering provides 100% of the daily value of 10 key vitamins and minerals.... (TrendHunter.com) Special K recently expanded its portfolio with the introduction of the new Special K Brown Sugar Cinnamon cereal. The new offering provides 100% of the daily value of 10 key vitamins and minerals....