1st purchased a 1 ltr of glens from local conveiance shop and poured our 1st drinks with boost and tasted funny drunk glens for years and thort the boost had changed flavors as some times do but then poored 1 with diet coke and just the same had a word with shop and wouldnt do any thing said we got it from usual whole sales and got a liter from asda that was the same and got a liter from morrisons today and thats the same i think it tastes like chinzano or martini someting like that SICK!!!!