According to Harav Yisroel Belsky, Harav Forscheimer and Harav Doniel Neustadt: Shehakol Niyeh Bedvoro
According to Harav Pinchos Bodner, Harav Ephraim Greenblatt, Harav Wikler, Harav Felder, Harav Fuerst and Harav Yisroel Reisman: No bracha is said.
According to Harav Forst: a bracha is said if it is being taken for flavor, but not if it is only taken for fresh breath.
Source: Halachically Speaking (Volume 5, Issue 3, Page 4)