Can you eat chalk

In this brief guide, we will address the query, “can you eat chalk?” We will also discuss what chalk tastes like, what risks are associated with the consumption of this ingredient, and how to treat the symptoms.

Can you eat chalk?

Yes, you can eat chalk. In small amounts, chalk is considered non-toxic, but there is the risk of choking, especially for children. However, this is not an invitation for you to eat chalk, at all costs avoid its consumption.

For some people, eating chalk can be a common craving, especially for pregnant women or children, but the consumption of this product can lead to digestive complications.

People who enjoy eating chalk regularly might suffer from the medical condition known as pica, a disorder that makes you eat products with zero nutritional value, like chalk, pieces of metal, ice, or some other items.  

Fortunately, this condition only lasts for a certain time, but it is recommended to seek medical help to keep your body healthy and well nourished. 

What is chalk made of?

Chalk is an item often used in schools, it is a white carbonate rock, and the main compound found in it is calcite. Calcite is also known as calcium carbonate and is usually produced in deep marine conditions as a result of the gradual accumulation of calcite shells.

However, for those who usually crave this material, it exists as a recipe for edible chalk, would you try it? You only need 

  • 1 cup of cornstarch.
  • 1 cup of water.
  • Toilet paper.
  • Molds.
  • Wax paper.

You only need to mix the cornstarch and water in the same ratio into a mixing bowl. You need to stir the mixture until you end up with a smooth consistency that needs to be separated into smaller bowls, use as many as the colors you want to create.

To add the color, you should use food coloring, choose whatever you prefer! Stir the whole mixture until everything is perfectly mixed. Finally, pour the chalk into the molds of your choice and cover them with wax paper. 

Let them dry for 12 hours and remove them from the molds. Let us know if you prepare this type of chalk, remember that it is entirely edible as it is natural and biodegradable.  

What kind of people are more likely to eat chalk?

Certain people are more likely to consume chalk regularly because they suffer from a disorder known as pica, a disorder characterized by causing people to eat items that are not meant to be consumed, like chalk. Some of the items that these people want to consume are

  • Eat raw starch.
  • Dirt.
  • Ice.
  • Chalk.
  • Metal pieces.

People with this disorder tend to suffer from malnutrition and might be affected by the consumption of some of these items.

What is pica?

According to the National Eating Disorders, pica is an eating disorder characterized by consuming foods that provide zero nutritional value to the diet of the individual, like hair, paint chips, or dirt.

It is hard to detect pica through a laboratory test, but the clinical history of the patient and some other tests for anemia or intestinal blockages could work to diagnose this disorder. The ingested items will depend on the availability, some of the most common ones are

  • Paint.
  • Clay.
  • Charcoal.
  • Talcum powder.
  • Soil.
  • Wool.
  • Soap.
  • Cloth.
  • Paper.
  • Soap.

If you want to read more about this eating disorder, you should click here.

How to detect when the consumption of chalk has become a problem?

Kids younger than two years of age cannot be diagnosed with pica as they are naturally curious about most items, and it is part of their learning process to know what is good and what is wrong.

When pica is diagnosed when the consumption of certain items, from the list above, last for at least one month. Also, a professional must determine how severe the dependency on the consumption of certain items is.

This eating disorder can affect children, teens, and adults of any gender without distinction. It is a common thing for pregnant women to experience this sensation, but the medical risk needs to be assessed.

What are the risks of eating chalk?

Chalk has low toxicity, which means that consumed in small amounts it cannot hurt you. However, it is never a good idea to eat chalk, because it can cause some alterations to the digestive system, which can end up damaging your organs.

Some of the risks of chalk consumption are

  • Tooth damage.
  • Cavities.
  • Abnormal digestive process.
  • Parasites.
  • Loss of appetite.
  • Obstructions in the bowels.  


In this brief guide, we have addressed the query, “can you eat chalk?” We have also discussed what chalk consumption causes to humans, the risks associated, and how to treat the symptoms.

Hope you found this blog useful. If you have any questions, please let us know.


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