Well, yes, ok, a diet rich in game meats, cloudberries, salmon and trout is indeed nutritious. But I think we can get a better view of what this "Nordic Diet" stuff means by considering this:
"In Britain you have a lot of kale, but almost no one realises that you can eat it raw like lettuce and it is very nutritious."
Nutrituous no doubt but this seems to be a move to turn us into a nation of cabbage munching bovines.
To turn kale into something worth eating you need to fry it off with a bit of bacon, onion and garlic in a light oil…..and then serve Brazilian style with picanha, that is, multiple slices of lightly grilled bovine….which can indeed be fed on raw kale if you wish.