Not only this, food that we consume as a part of our breakfast is also the first source of calcium, iron and Vitamin B that our body gets. Some very crucial proteins, fiber and nutrients are also supplied to our body when we consume breakfast properly and within a time frame of 2-3 hours after waking up. Studies have proven that people who skip breakfast not only fall short of all these nutrients, vitamins and fiber; rather it is also impossible for them to compensate for this loss irrespective of the fact that they may be consuming very healthy food later in the day.