Flavours: 6 x lemon & lime 6 x strawberry. Experience the award-winning gut health drink that’s shaking up the wellness world. Ió is made with a splash of natural fruit flavour, backed by clinical research, and has:. 100% Daily prebiotics 20% daily fibre only 21 calories no added sugar or artificial ingredients. Crystal-clear. Science-led. Easy to enjoy daily.. Winner of the world’s best drink innovation award clinically proven by uk universities to support gut health & balanced blood sugar.. Your daily gut health ritual starts here.