sugar

I can remember back in high school when I was doing cross country our coach had us chew bubble gum while we were running. It seemed to help as the sugar was gradually released what do you think about doing the same thing while I train? Should I take a little sugar like that?

do you think that protein bars are a good option the pack with me for a long hike or do you think they have too much sugar in are bad for you if you don't like them tell me an alternative. And if you do can you give me a brand that you like

I am a diabetic and I don't want to cause any issues with my blood sugar can you give me a supplement that won't screw up my blood sugar? I've already tried protein bars and they send my blood sugar Sky High