FAQs

OU Israel

Is the OU in Israel different than the OU in the USA? The kashrus standards of products, food service establishments and Shechita are the same in Israel as they are in…

NYC Water

Is filtration required for New York City tap water? There are two opinions among Poskim whether or not New York City water may be used without filtration. Because this issue is a…

Verifying Kosher Fish

Can you identify a kosher fish by its name? It is not possible to establish the kosher status of a fish based on the fish’s name since fish names are…

Grape Juice as an Ingredient

Are grape juice and wine ingredients used in OU certified products such as mustard and fruit cups always Mevushal? OU certified products contain only OU approved ingredients. As such, wine,…

Eggs and Blood Spots

Since eggs are candled, do they still need to be checked for blood spots? Blood spots in fertilized eggs are prohibited, and one should check cracked eggs to make sure…

Products with Fish Ingredients

Why are there products that list fish as an ingredient, but only bear an OU, while other fish products have “OU-Fish” on the label? Products that contain fish ingredients that…

Dishwashing Detergent

Do dishwashing detergents require kosher supervision? It is generally assumed that dishwashing detergents are not edible entities, and halachically they do not have a non-kosher status, even if they contain…

OU Product Not Found on Website

Why are some products that bear the OU symbol not listed on http://www.oukosher.org? The OU website provides a search field for OU certified products. Kosher consumers are sometimes surprised when…

Reading the Ingredient Panel

Can I tell if a product is truly dairy or “DE” by checking the ingredient panel? If a product lists dairy ingredients on the ingredient pane, it is obviously dairy….

Infestation in OU Products

Do products certified by the OU require inspection for infestation? OU certification insures customers that frozen or processed fruits and vegetables are free of infestation at the time of packaging….