I intend for this to be a fairly basic but informative post regarding macronutrients- what they are and what bits of information about each of them are useful to know so that this can be applied practically to one's diet and saved in your nutrition knowledge bank as a tool for making future food choices and plans. Roughly speaking all food can be broken down into constituent macro- (from Greek makros "long, large") and micro- (from Greek smikros "small, little, petty, trivial, slight"... seems slightly harsh) nutrients. This post will focus on the macronutrients. As I am sure most people are abundantly aware foods are made up of Carbohydrates, Fats and Proteins, these are the 3 macronutrients, the big dogs so to speak. The nutrients big (macro) enough and bold enough to make it on to the back of every food packet across the land, and sea. "But what about fibre?" I hear you ask, well technically not a macronutrient and I will discuss that later, vitami...