Nutrient dense foods, such as lean protein, complex carbohydrates, and fats are essential to your health. They are a good source of vitamins, minerals, and antioxidants. Antioxidants help to reduce inflammation in your body, while also helping to fight off colds and diseases. Inflammation is one of the leading causes of many diseases. The antioxidants in leafy greens and vegetables help detoxify the body by removing harmful chemicals.