Blue Raspberry TAC 97.7% Limoncello TAC 95.2% Switch between flavors The bright lemon flavor will have you dreaming of southern Italy while the combination of tart and sweet causes goosebumps to race across your arms. If the color yellow had a flavor, this would be it. Blue Raspberry Rush balances sky-high levels of sweet, sour, and tart for an extreme flavor that inspires obsession. Recommended for thrill-seekers and daredevils, the manic surge of candy-like floral berries is not for the faint of heart.