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How Much Food Do You Need to Survive? [Definitive Guide]

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Food – without this simple four-letter word, we won’t be able to survive. Our bodies need food in order to keep functioning. However, many people don’t know how to regulate food intake. This is a handy skill to have, which brings us to the following question: how much food do you need to survive?

The average person would need between 3 and 5 pounds of food a day on average.

However – the exact amount needed to survive depends upon your weight, height, and metabolism.

But somewhere between the 3-5 lbs range should do the trick for most people.

Knowing how much food you need to survive can help you in many situations, such as if you ever need to ration food or want to lose weight.

Keep reading to learn more about food intake!

How Much Food Do People Consume in a Day?

The amount of food a person consumes depends upon a number of factors.

The answer to this question is different for each person due to several key reasons.

It is directly influenced by your age, gender, ethnicity, income, and which part of the world you live in.

For example, a newborn baby consumes less food than the average adult.

A newborn has more meals a day (8 to 12 meals), but the total amount consumed is still significantly less than what an older person would need.

This is because their body is smaller and hence needs less food to get by.

Young people may need higher quality food because their body is in the process of continuous growth.

So, if they don’t get the required nutrients, they may end up experiencing malnourishment.

Age is an Important Factor for Daily Nutritional Needs

Teenagers, in particular, are known for their notorious habit of eating virtually all the time.

Growing children and teens who don’t eat enough are often physically stunted.

In extreme conditions, they may also experience slight mental retardation.

This happens when the body isn’t supplied with the organic building blocks that it needs to maintain itself and grow properly.

On the other hand, adults can eat food that is not highly nutritious and get by without experiencing the symptoms mentioned above.

This is because their bodies have already fully developed.

Eating Healthy Will Always Be Important

However, let’s assume that an adult doesn’t eat any healthy foods.

In that case, they may fall prey to temporary illness, chronic health conditions like diabetes, or become ridiculously obese.

They might even suffer from anorexia.

On average, though, a healthy adult will consume between 3 to 5 pounds of food a day, with 4 being the strict average.

What really matters, though, is the quality of the food that’s consumed.

For example, eating 100g of chicken is not the same as eating 100g of vegetables.

Either food source will provide you with different energy levels (calories) and nutrients despite weighing the same amount.

How Much Food Does a Human Need Per Day?

According to research, most adults need around 2000 calories a day to maintain a healthy body weight (1).

But the exact amount will vary from person to person for the reasons we mentioned above.

As previously mentioned, the amount of food a person eats in a day heavily depends upon things like:

  • Age
  • Metabolism
  • Physical makeup
  • Gender

However, if you lead a highly active lifestyle or have a strenuous or demanding job (like being an athlete or soldier) you’re going to need more food.

Younger adults also typically need more calories than older people.

That’s because they tend to be more active and live more fast-paced lives than their aged counterparts.

Gender also plays a major role in calorie requirements.

Men generally need to consume more calories than women to get by without having hunger pangs.

This is because they have larger and heavier frames and more muscle mass.

Hence, men have the capacity and need to burn off more calories.

People with larger bodies also tend to have more muscle (this may include taller people, too).

This means that their bodies will have a higher calorie demand than people who are short or small-boned.

Use a Good Calorie Calculator

If you want to know the exact amount of food you should eat a day, try using a calorie calculator.

You can put in your height, weight, gender and age to see a more precise estimation of how many calories you’ll need daily.

Note that it’s best to divide your total calorie consumption per day into multiple meals.

Most experts recommend consuming 2 to 3 heavy meals with 2 to 3 healthy snacks in between.

Nonetheless – the total should not exceed your daily recommended calorie intake.

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What Happens If You Eat Once a Day?

Eating food just once a day has many negative effects on the body.

You could see a spike in blood glucose levels, a delay in your body’s response to insulin and increased levels of hunger due to a greater inflow of the hormone ghrelin (which is responsible for stimulating appetite).

You might also struggle with losing weight despite eating just one meal a day.

This is because your body will start saving up on calories by converting them into fat.

Your body will then store this fat in unflattering places, making your body look and feel heavier.

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Meal Frequency Matters When it Comes to Staying Healthy!

If you keep eating just one meal every day for a long period, your heart and brain’s natural (and healthy!) fat reserves may burn out, ultimately weakening both organs.

The heart and brain are vital to human functioning and if they are compromised in some way, your entire body will be compromised.

So, do your best to eat at regular intervals each day!

When you eat just one meal a day, your body goes into survival mode and burns fewer calories.

So, if you’re aiming to lose weight, try consuming healthier foods and avoiding unhealthy options (like deep-fried junk food).

You should also try and stick to eating moderate amounts and distributing them into multiple smaller meals throughout the day.

Conclusion

Everyone should ideally be eating enough food to stay healthy and function properly.

This includes eating just enough to have sufficient energy to get the day’s work done.

But when we eat too much or too little, our body won’t be at its best and it loses its ability to function the way it should.

Therefore, everyone should consume a healthy number of calories (from nutritious sources) instead of eating too much or avoiding meals altogether.

Most adults need around 2000 calories a day, but active males, pregnant women, and people with demanding jobs may need more.

The best way to find an accurate description of how much food you need to eat in a day is by using a reliable calorie calculator.

Now, have you already figured out your own daily calorie needs?

And how many meals do you typically consume each day?

Leave your answers below!

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