Age-appropriate diet Journal

Age-appropriate diet


Infants are in a period of remarkable growth and development.

Since a large difference in growth and development of each person, it is necessary to have a diet that suits each growth, rather than making the same judgment based on age and age.

Weaning diet is tailored to the child

Weaning diet is the process of shifting from breast milk / infant formula to infant formula as the child grows, in order to supplement the energy and nutrients that breast milk and infant formula alone lack.

Infants’ feeding function develops from sucking milk to chewing and swallowing food, and the amount and amount of food that can be eaten increases, leading to independence.

Therefore, when you are 5 to 6 months old, milk alone will not be enough for the necessary nutrients, so we will introduce the diet in detail according to the time.

How to proceed with weaning diet

About 5 to 6 months

Start with one scoop once a day while watching your child.

The purpose is to swallow the mashed food and get used to the texture and taste of food.

At this time, proceed slowly without rushing, starting with mashed vegetables, and increasing the variety and amount of mashed vegetables, mashed tofu and white fish as you get used to it.

No seasoning is required.

About 7-8 months

Start baby food, and after one month, increase the number of meals to two and keep the rhythm of the meal.

Practice eating soft boiled food that can be crushed with your tongue by moving your mouth.

Without crushing the porridge, reduce the amount of water 10 times → 7 times → 5 times.

Increase the variety of foods such as vegetables, tofu, and lean chicken.

Apart from baby food, give milk about 3 times a day as your child wants.

Around 9-10 months

We value the rhythm of the meal and proceed to eat three times a day.

We will practice eating something that is hard enough to be crushed with a toothpaste.

Iron tends to be insufficient, so give enough iron-rich liver, meat, and lean fish.

From around this time, the family will be able to enjoy themselves at the table.

Also, give milk about twice a day as your child wants.

Around 12-18 months

As for the number of meals, three meals and snacks (snack) will be given, and sufficient nutrition will be obtained from the meals.

The food should be hard enough to be chewed with a toothpaste, and should be closer to the infant food.

Start by grabbing the fun of eating yourself.

Hand-held eating is the practice of visually checking the food, grabbing the snack with your fingers and carrying it to your mouth, using your front teeth to chew your own bite, and crushing it with your back teeth.

It has an important role in feeding function, so let’s teach the child the joy of eating while practicing well.

By this time, weaning is complete because we can get nutrition from foods other than milk.

Elementary school students

Even if you say elementary school students, the amount of energy required for them is different because not only the age but also the physique changes from the first grade to the sixth grade.

It is important to know in detail the functions and metabolism of the body of elementary school students.

Required amount of nutrients required for elementary school students

Elementary school students exist for 6 years from 1st grade to 6th grade in Japan.

Among them, physical growth is very fast, and the amount of nutrition required varies 

between grades 1 and 6.

In addition, the degree of growth changes not only with age but also with gender.

Growth in elementary school varies greatly from person to person, and we must consider the minimum menu for each grade.

Beware of picky eating

Lifestyle-related diseases studied in Chapter 10 of this course should be taken care of not only by adults but also by children.

If your child’s favourite meat and fried foods are so biased, you may not be able to get the nutrition you need during the important growing season.

Eating a well-balanced diet can reduce your risk of getting a lifestyle-related disease, so try to get rid of the habit of eating only what you want to eat.

Importance of dietary fiber

Today’s children are becoming less chewable, and more and more children are not good at hard foods.

Soft foods are good for digestion, so you don’t have to eat hard foods?

However, not only the nutrition contained in hard foods, but also the nutritional aspect should not be reduced.

In addition, seaweeds and vegetables that contain a lot of dietary fiber can be chewed more often, and at the same time, they also help digestion, so it is necessary to make menus that consider the child’s body.

Review of eating habits

Many elementary school children in Japan go to cram school until late at night, and more and more children live the same life as adults, such as dieting as a child.

Life rhythms are very important even for adults, but they can hinder growth when a growing child lives the same life as an adult.

Eating three meals a day at a fixed time can maintain a certain level of daily rhythm, but a broken diet can lead to malnutrition and obesity.

Junior high and high school students

Some junior high and high school students stop growing to some extent, but that is also the peak of growth.

Therefore, there are few children in junior high school and high school who get a big illness, and they will have excellent immunity.

And it can be said that it is a time when there is a big difference in the physical constitution of men and women.

Final stage of growth

In junior high school and high school, we will move to the final stage of growth.

And it can be said that it is the time when you need the most energy in your life.

Growth peak

For boys: around 15 to 17 years old

For girls: 12-14 years old

The above ages are average, so early and late people are different.

The amount of energy required will change in the sports club and culture club as well, so let’s try to get nutrition according to the individual situation.

Bone building for the future

During this time, your physique also grows significantly, so you need protein.

However, as bone mass increases as much as that, calcium intake also becomes important.

Keeping your bones strong at this final stage of growth is also important to reduce your risk of developing osteoporosis in the future.

While keeping in mind a well-balanced diet, let’s actively take in calcium, which tends to be deficient, and build strong bones!


As an adult, the growth of the body is slowed down, and the reason for eating becomes more important for life support.

Compared to the growing season, it requires less energy, which increases the risk of obesity due to excessive energy intake.

Let’s firmly learn the proper eating habits as an adult.

Adults tend to be deficient in nutrients

As adults, many people increase their financial situation and eating out at work.

Therefore, as the number of meals that give a sense of fulfillment increases, the intake of vegetables and protein tends to be insufficient, leading to an overdose of energy.

Consider your dietary balance and try not to run out of nutrients.

Be careful when living alone

More and more people will start living alone as adults.

Therefore, many people skip breakfast, and some people cannot get the energy they need in the morning.

Also, many people eat out for lunch and supper, and if this life continues, it may adversely affect your health, so be careful.


In this way, it is necessary to take food and the amount of energy required according to the age and situation.

What is common to all ages is the tendency to overdose energy.

Excessive energy intake has an adverse effect on obesity and health, so try to have a well-balanced diet.

English is my second language, so you may find incorrect sentences.

It would be great help if you leave a comment for me. 

Thank you for reading!

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