FAQs

OU-D and Cholov Yisroel

What is the difference between OU-D and OU-D Cholov Yisroel ? Milk has Cholov Yisroel status when the milking and bottling is done under the supervision of a reliable Jewish…

DE Designation

Why does the OU not use a “DE” symbol? Some kashrus agencies use a DE symbol to denote products that are made on “Dairy Equipment” but do not contain any…

Yogurt and Ice Cream Stores

Can I eat at a yogurt or ice cream store that claims it is certified by the OU? There are many ice cream and yogurt stores bearing the brand name…

Product Missing OU Logo

Why would a product that normally bears the OU symbol not bear one? There are a variety of reasons why a product may sometimes appear with an OU and sometimes…

Fruit and Vegetable Infestation

Which produce requires checking for infestation? How do I check properly? Many fruits and vegetables are prone to infestation and require appropriate bedika (examination) before consumption. The OU has prepared…

OU Shmittah Policy

What is the OU’s policy with regard to Shmittah and Israeli produce? For the past 130 years, there has been a great Rabbinic debate over the propriety of selling Jewish…

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,…