This is probably anathema to many, but I will cube spam and let it sit in a bowl of water for a few minutes. Likely leads to a huge reduction in salt and fat.
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.