swiss miss cocoa

Question

There is a new sugar free hot cocoa mix made by Swiss Miss - there is no hashgacha - is there any reason why this product would not be kosher? the ingredients are: Nonfat Dry Milk, Cocoa (processed with alkali), Calcium Carbonate, Modified Whey, Salt, less than 2% of carrageenan, sucralose (Splenda brand), natural and artificial flavors, disodium phosphate, acesulfame potassium Swiss Miss Diet with Calcium Hot Cocoa Mix Thanks very much for your help!