We all know the key nutrients around which a healthy diet should be built. They are, of course, carbohydrates, protein and fat – and together they provide the fuel needed for humans to physically function.

Most people are familiar with these macronutrients and what they do. Thus, it’s well understood that protein helps us build and maintain muscle while carbohydrates are an excellent source of energy. Fats are equally important, and are in fact the most energy-dense of all three.

But what about micronutrients?