Every year, the western world is introduced to a new 'superfood' that boasts extraordinary nutritional features, and year after year we buy them. The Superfood Chain is a feature documentary that explores the facts and myths behind superfoods, and reveals the ripple effect of the 'Superfood' industry on farming and fishing families around the world.

Some health experts say salt is dangerous — even deadly — while others say that it’s an essential nutrient. We know that we can have too much salt, but what about too little? What is the "sweet spot" when it comes to salt consumption?