Is E170 Halal or Haram?

featured - Is E170 Halal or Haram?

Ever wondered about the ingredients in your food and whether they align with your dietary beliefs? One such ingredient that often raises eyebrows is E170. But, is E170 Halal? Let’s embark on this journey to uncover the truth.

Key Takeaways

📌 E170, also known as Calcium Carbonate, is a natural substance found in rocks like limestone and chalk. It’s used in food to provide color, prevent clumping, and enhance texture.
📌 E170 is considered Halal because it comes from natural rocks and doesn’t involve any animal products or haram substances in its production. However, it’s always wise to check for Halal certification on products to be completely sure.

What is E170?

E170, scientifically known as Calcium Carbonate, is a common food additive used for various purposes, including as a colorant, anti-caking agent, and to provide texture. It’s essentially the same substance you’d find in chalk or limestone.

Remember the chalk you used in school or the limestone formations you marveled at during your last vacation? That’s right, they’re primarily made of Calcium Carbonate!

Now, diving a bit deeper, why is this substance in our food? Calcium Carbonate serves multiple roles in the culinary world. It acts as a colorant, giving food that pristine white appearance.

Ever noticed how some powdered products don’t clump together? That’s E170 working as an anti-caking agent. And if you enjoy the specific texture in some of your favorite snacks, you might have E170 to thank for that too.

Quick Facts about E170:

  • Scientific Name: Calcium Carbonate
  • Common Uses: Colorant, Anti-caking agent, Texture provider
  • Natural Sources: Chalk, Limestone
  • Appearance: White, powdery substance

So, the next time you spot E170 on a food label, you’ll know exactly what it is and its role in your food. It’s always fascinating to uncover the science behind our daily meals, isn’t it?

Chemical Structure

E170 calcium carbonate chemical structure

Calcium Carbonate has a simple chemical structure, represented by the formula CaCO₃. This compound consists of one calcium atom bonded to a carbonate group, making it an inorganic salt.

What Is E170 Made From?

When we think of food additives, our minds often drift to images of complex laboratories and synthetic chemicals. But what if I told you that one of the most common additives is as natural as the ground beneath our feet?

Enter E170, or as it’s scientifically known, Calcium Carbonate. Now, you might be wondering, “Where does this E170 come from?” The answer is quite fascinating. E170 is primarily derived from limestone and chalk, two of the Earth’s abundant sedimentary rocks.

Diving deeper into the origins, both limestone and chalk are formed over millennia from the skeletal fragments of marine organisms, such as corals and foraminifera. These tiny creatures play a massive role in forming vast rock beds.

When these rocks are mined and processed, we get the white powdery substance known as Calcium Carbonate. So, in essence, when you come across E170 in your food, you’re consuming a piece of Earth’s ancient history, grounded into a fine powder.

E170 Origins at a Glance:

  • Primary Sources: Limestone, Chalk
  • Formation: From skeletal fragments of marine organisms
  • Appearance: White, powdery substance
  • Nature: 100% natural and organic

Isn’t it incredible how nature, history, and food intertwine in such unexpected ways? The next time you enjoy a treat with E170, take a moment to appreciate the ancient journey it has taken to reach your plate.

Possible Side Effects

While E170 is generally considered safe, excessive consumption can lead to some side effects. These include stomach cramps, constipation, and even kidney stones. Remember, moderation is key!

Regulations and Guidelines

According to the European Food Safety Authority, Calcium Carbonate (E170) underwent a re-evaluation in 2011. The assessment concluded that there’s no need for a numerically acceptable daily intake (ADI) of calcium carbonate.

It’s safe at the currently reported uses and use levels for all age groups, including infants below 16 weeks of age. However, the presence of aluminum in E170 is a concern and should be addressed.

Dosage and Administration

While E170 is safe for consumption, it’s essential to adhere to recommended dosages. Overconsumption can lead to an imbalance in calcium levels in the body. Always follow the guidelines provided on food labels and consult with a nutritionist if unsure.

Is E170 Halal or Haram?

The good news is, given that E170 is derived from natural rocks and doesn’t involve any animal products or haram substances in its production, it’s considered Halal. However, always check for Halal certification on products to be sure.

Find out more:
Is E163 Halal or Haram?
Is E171 Halal or Haram?


E170, or Calcium Carbonate, is a versatile food additive derived from natural sources. Its safety has been confirmed by various food safety authorities. For those wondering if it’s Halal – yes, it is! But as always, it’s essential to be an informed consumer and check product labels.

Allahu A’lam (Allah Knows Best)


What is the source of E170?

E170 is derived from natural sources like limestone and chalk, which are sedimentary rocks.

Is E170 safe for consumption?

Yes, E170 is safe for consumption. However, like all additives, it should be consumed in moderation.

What are some common food products that contain E170?

E170 is commonly found in baked goods, dairy products, and confectioneries.

What is the CAS number of E170?

The CAS number for Calcium Carbonate (E170) is 471-34-1.

Is E170 banned in any country?

E170 is not banned and is widely accepted in many countries. However, regulations might vary, so it’s always good to check local guidelines.

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