Sure do.
Protein powders, dried peas, unseasoned bread crumbs, fish foods, mazuri turtle food, whole grain oats, unmediated chick feed. That's off the top of my head. I know I'm forgetting a few things.
I have had dubia choose the dry chow over fresh veggies and fruits.

All my creatures have names too
I don't name them until I know I'm going to hold them back for sure.