For some definition of "fine", at any rate. Outside of groups like the Inuit who eat a lot of organ meat to compensate, we don't have a great idea of what sort of long-term nutrient deficiencies you may accrue by eschewing all fibre and carbohydrate-based foods.
well, yes, you can't eliminate fruits and vegetables if you aren't supplementing micronutrients. I wasn't implying you can. I was just saying that carbohydrates themselves - glucose, fructose, and all the others - are not essential for us to function.
For some definition of "fine", at any rate. Outside of groups like the Inuit who eat a lot of organ meat to compensate, we don't have a great idea of what sort of long-term nutrient deficiencies you may accrue by eschewing all fibre and carbohydrate-based foods.