Grapefruit is one of the most complex fruits ever known. It has that delicious sweetness that everyone looks for in fruits. This sweetness is contrasted by the slightly tangy flavor of this citrusy fruit. Both of these elements are perfectly captured in this syrup that produces a perfectly refreshing milktea or smoothie based drink. This flavor is so good that it affects people’s mood from sad to happy. Smoothies made from grapefruit bubble tea juice is so full of refreshing flavor that people always line up for it. In Asia, it is a very popular flavor of Boba milktea.