Having to go to hospital for a Colonoscopy & gastrocopy at the same session starting at 10.30 am. Previouse day no food after 9am start Klean-prep at 12 noon & again at1 800 only clear fluids can be taken untill after procedures next day starting at 10.30 am & they say could be , with waits & recouvery between treaments another 5 hours before any food allowed!! I am type 2 & when tesing my sugars drop below 5 I start feeling woozy at 4 I am gone! what can I drink to keep blood sugars up all this time to stop having a hypo ?