Are Skyr yoghurts really good for you?

If you've ever strolled down the dairy aisle of your local grocery store, chances are you've come across these little tubs of Icelandic goodness. Skyr yoghurt has really grown in popularity in the last five to ten years. But is it really as healthy as it’s touted to be, or is its reputation down to marketing hype? 

It's a traditional Icelandic yogurt, which is said to have been brought to Iceland by the Vikings when they settled there over a thousand years ago. It's marketed as a yoghurt, but is in fact technically a soft cheese. Sky...