Probably a good idea. A major change in diet, or just a lack of food, has plugged up more than one person. Maybe a handful of glycerine suppositories (as long as you won't be in really hot weather, they can melt) in your kit. But then others will get loose as a goose on the same diet. People can be different...
Exactly.
I prefer the small liquid bottled stuff that introduces lots of water into your digestive system over the pills which `make you go`. This stuff (to me) taste like sprite, and can take 6-15hrs to work and it isn't "must run run run".
I suggest figuring out what works for you and learning the side affects to each one.