Our body quickly breaks down sugar in our diet into glucose, however, it also breaks down other food sources into glucose such as simple carbohydrates, vegetables and fruits and even protein. Glucose is our body's primary source of energy, and insulin is the hormone that helps is utilise glucose. If everything works fine, any excess glucose is stored in our muscles and liver. However, if we have too much glucose, we will store it as fat. And if we produce too much insulin we can become insulin insensitive. Both have a negative impact on our health and wellbeing