The World's Largest Kosher Certification Agency
Certifying Over 1 Million Products Worldwide

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Why Choose the OU

OU Kosher provides kosher certification for over 1 Million products in more than 8,500 plants worldwide. It is by far the world's largest kosher certification and kosher supervision agency.


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What is Kosher?

You may already be familiar with some of the more well-known requirements, but you may be surprised at the extent of some regulations.


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Search for a kosher product

Featured OU Certified Companies

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Kosher Trends

OU Kosher Trends features the latest insights from OU Kosher into the latest food and food preparation trends and products

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Latest News

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Latest Recipes from OU Kosher

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Search all OU Products for Passover and year-round. Get Kosher alerts, new product updates and just click to ask a question.
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