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Why the world's best known brands choose the OU for Kosher certification

Dairy Equipment

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What is the OU’s policy regarding Dairy Equipment?

While it shares many qualities and laws with Pareve products, a dairy-free product that was heated on equipment also used for dairy may not be eaten together with a meat product. It may be eaten immediately after a meat product, but not together.

You will not find the DE designation on a product certified by the OU. The OU designates dairy-free products made on dairy equipment with the ‘OU-D’ symbol and not ‘DE’ (Dairy Equipment).

Some products that bear an OU-D symbol are only manufactured on dairy equipment while others contain actual dairy ingredients. Unfortunately we do not keep such a list of such products. However, it is not always possible to determine this from the ingredients panel, as some products can contain dairy flavors that would not be recognizable as dairy from their names.

If you have a product that you believe is “only” manufactured on dairy equipment, we suggest that you contact us either via email at or at the Kosher hotline at 212-613-8241 to confirm its status.

Some obvious dairy ingredients would include Milk, Yogurt, Cheese, Cream, Butter, Whey, Lactose, Casein, and Caeseinate.

Different Rabbis have different positions as to whether dairy equipment products can be consumed by those who are careful only to eat chalav yisroel, which is generally a function of their understanding of chalav stam.  If you are careful to only consume chalav yisroel we suggest that you speak to your local Orthodox Rabbi about how you should proceed with regard consuming dairy equipment products.


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