What does this symbol on food packaging mean? It has an important meaning for your health

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Tomáš , 28. 12. 2025

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How often do we pay attention to the packaging on products in supermarkets? Usually we just read the product name, but we don’t pay any attention to the special symbols that are on the packaging.

Symbols on food packaging

There are a number of symbols on packaging that are designed to make customers’ lives easier. We decided to clarify one important one for you.

What does the “U” in a circle mean?

This symbol is called the ehsherah sign (or ehsherah designation). Such a symbol on the packaging means that it is a “kosher” product. In order to obtain the right to such a designation, very strict tests are carried out.

The ehsherah sign means that all equipment used in the production of this product has undergone proper cleaning. Even if several products are made on the same equipment, strict cleaning takes place between the individual procedures.

This mark should help people who mainly seek out “kosher” products. But even if you are not among them, this symbol is still important for you, if only because you know that these products were produced under strict hygienic conditions.

Here is a list of the most common designations

OU – contains neither meat nor milk, a “neutral” product

OU-D – contains milk

OU-M (OU- Glatt) – contains meat and meat ingredients

OU-F – contains fish ingredients

This information is very useful for people with allergies, vegetarians and those who eat healthily.

Tell your friends about this symbol so they also know what it means.