Once heated, the nutritional benefits of the yeast itself are insignificant. However, yeast risen bread does digest faster (due to the texture). This effect can be an advantage or disadvantage depending on whether or not the consumer wants quick energy or slow time-released energy from the bread. This also translates to blood sugar spikes for diabetics.
I studied the differences between the different kinds a wheat some years ago, but have long since forgotten. Personally, I spend my prepping money on rice & beans instead of gluten rich wheat... but that's just me.