Jelly babies, I use sis gels at times too. If I'm gonna be out where's it's a bit remote I like to carry some sweet fluids too.
I normally load up with about 40/50 carbs before I start off, try to mix it up. Maybe 20 carbs of something fast acting and say a large banana. I normally look to start exercise 2 hrs after a meal, loading up 1/2 hour before setting off. I know we get told to reduce our short acting dose the meal before, but if your bloods are high I find it difficult to even get off the couch, as when high I feel tired and lethargic. I don't know if any of you guys carb count, I've been doing that for a few years now and it's helped with my control. Don't get me wrong I still get caught out at times, going low, but I've find no 2 days are the same if you're on the go.