A vitamin pill is actually a pharmaceutically engineered nutrient that attempts to isolate a single vitamin. Really, it is a processed food. A piece of fruit, or a crisp veggie is loaded with vitamins that enter the body with a host of help. Whole foods are also the best source of fiber, and are full of micronutrients and phytochemicals. All of these natural elements help the body and boost immune system. Vitamin rich foods also contain antioxidants that protect our cells from environmental damage. This halo of important factors really lets the vitamins do their ‘thang.