Key components of a healthy diet are :
- At least 4.5 cups of fruits and vegetables per day
- At least two 3.5 oz. servings of fish per week, preferably oily fish
- At least three 1-ounce servings of fiber-rich whole grains per day
- Limiting sodium to less than 1,500 milligrams a day
- Drinking no more than 36 ounces weekly of sugar-sweetened beverages.