(TrendHunter.com) The National University of Singapore (NUS) recently joined forces with bar and restaurant chain Brewwerkz to launch a new probiotic-infused beer, dubbed Red Billion Probiotic Raspberry Sour Beer.... (TrendHunter.com) The National University of Singapore (NUS) recently joined forces with bar and restaurant chain Brewwerkz to launch a new probiotic-infused beer, dubbed Red Billion Probiotic Raspberry Sour Beer....