About the size of the palm of your hand and the thickness of a deck of cards. If you are concerned about your weight, Reider says, go wild on vegetables. They re only about 25 calories per serving. But do not eat more than three servings of fruit or five servings of grains. If your weight is fine, you can eat as many grains, vegetables and fruits as you want.
Moderation is essential.
Some foods include several food groups, and you will naturally eat servings that are both larger and smaller than the single serving size. A Personal Guide to Real-Life Weight Management. That will give you a solid foundation for an active, healthy lifestyle. Both quantity and quality count. The quality of the carbohydrates you eat is important.