You could write to the company and ask them what exactly Chocolate Flavor is, and find out for sure.
But before you do that, remember that bars of any kind are really for emergencies only. They're not intended to be used regularly as snacks, desserts, or meal replacements. Also keep in mind that one thing most of us have problems with is a sugar dragon, and any kind of sweet food, even a compliant one, can keep that sugar dragon roaring.
If you feel you need to keep emergency food around, if you're like most people, your best bet would be to keep things like compliant tuna, salmon, or sardines, or even something like a compliant jerky. I know that I find if I keep something sweet tasting around for "emergencies," I suddenly seem to have a lot of emergencies that I'm pretty sure I wouldn't have if I kept tuna fish on hand instead.