Inedible as in anything that isn’t food (ranging from something that would be dangerous, like glass, poisonous plants, or uranium, to something that is safe to eat but unpleasant with no nutritional value, like cardboard.) Eating the thing will be safe and painless.
I have a weird attraction to the look of fairly hot things. I have always wanted to eat the orange coals you get at the end of a campfire. I would also take that orange gooey looking lava.