Nutrition at all ages

 During Infancy Brest Milk contains most nutrients needed for Important nutrients for infants include carbohydrates, protein, fat, vitamins and minerals. 0-6 months should drink breast milk or formula. 6-12 months babies can start eating food such as infant rice cereal and as they develop they get foods that are soft and nutritious.

Childhood dietary requirements

  Ages 2-4 calories 1200-1800 daily protein 2-4 ounces Fruits 1-1.5 cups  Vegetables 1-1.5 cups grains Ages 4-8 (GIRLS)calories 1200-1800 daily protein 3-5 ounces Fruits 1-1.5 cups  Vegetables 1.5-2.5 cups grains 4-6 ounces Dairy 2.5 cups. (Boys)calories 1200-2000 daily protein 3-5.5 ounces Fruits 1-2 cups  Vegetables 1.5-2.5 cups grains 4-6 ounces Dairy 2.5 cups Ages 9-13 (GIRLS)calories 1400-2200 daily protein 4-6 ounces Fruits 1.5-2 cups Vegetables 1.5-3 cups grains 5-7 ounces Dairy 3 cups (Boys)calories 1600-2600 daily protein 5-6.5 ounces Fruits 1.5-2 cups Vegetables 2-3.5 cups grains 5-9 ounces Dairy 3 cups

According to John Hopskins Adolescence Eat 3 meals a day, with healthy snacks. Increase fiber in the diet and decrease the use of salt. Drink water. Try to avoid drinks that are high in sugar. Fruit juice can have a lot of calories, so limit your adolescent's intake. Whole fruit is always a better choice. Eat balanced meals. When cooking for your adolescent, try to bake or broil instead of fry.Make sure your adolescent watches (and decreases, if necessary) his or her sugar intake. Eat fruit or vegetables for a snack. Decrease the use of butter and heavy gravies. Eat more chicken and fish. Limit red meat intake, and choose lean cuts when possible. Eat something from all 5 food groups Protein, Dairy , grains, vegetables, and fruits.  Myplate.gov is a good site to use for all stages of life.

In Adult Hood from age 19-30 it's recommended that women within this age range eat around 2,000 calories per day and that men eat between 2,600 to 3,000 calories per day for optimum health from ages 31-50 The USDA recommends that women in this age range get around 1,800 calories per day and men around 2,200 to maintain their health from ages 51 and older USDA recommends that women in this age group eat around 1,600 calories per day and men eat around 2,000 per day.