The 90 Day Diet continues with the Carbohydrates Day or Carbs Day. They can be found in various forms of foods, for example grains, vegetables and fruits. Normally they appear as sugars, starches and fibers. They also count as one of the most important energy suppliers for the body: https://noan.net/dieti/90-dnevna-dieta Carbohydrates are classified in two different chemical structures: simple and complex. The difference is how quickly the body can absorb them. While simple carbs can be absorbed more quickly and cause bursts of energy more quickly, but do not sustain as long as complex ones.