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Is Kosher Cheese also Vegetarian (i.e. without animal rennet?)

If a cheese is listed as being Kosher, (for example on the igourmet.com website there is a whole section on kosher cheese), does that imply that any rennet in that cheese would have to be vegetable as opposed to animal derived? I'm a vegetarian, so must confess that I'm wondering this because it is is usually difficult to tell what kind of rennet is being used in cheeses, since it is most often simply listed as only "rennet." I've read that most rennets used in cheeses today are not animal derived, but I figure that if something can't be both labelled Kosher and contain animal derived rennet then my safest bet would be to seek out Kosher cheese. Thanks in advance for your help!

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  1. Please someone with more extensive knowledge, correct me if I am wrong, but here is my best interpretation

    Kosher cheese is not necessarily vegetarian, since the rennet may have come from kosher animals.

    There are kosher cheeses that are labeled "pareve," with "pareve' meaning neither mear nor dairy (neutral). You can usually look on the package to see if a product is pareve. Some items are listed pareve, and others have a "P" listed next to the kashrut stamp, commonly a "K", a K in a circle, an "O" encapsulating a "U" (orthodox union), or a K with a Star. Depending on how observant someone is of kashrut, one would eat all or some of the foods with those desginations.

    2 Replies
    1. re: MaspethMaven

      There's no way that any kosher cheese would be marked "pareve," unless it was soy based, with no dairy ingredients whatsoever.

      1. re: FlavoursGal

        Good point. I suppose it depends more on your definition of Cheese. Soy based counts in my book.

    2. Laura D.,
      I am not a food chemist, but I do keep a kosher kitchen, and we only buy cheeses with a hecksher. It is my understanding that kosher cheese makers may use a vegetable or kosher-animal-derived rennet, and that the rennet introduction is performed by a rabbi. My rabbi explained to me that any animal derived rennet that might be used is so chemically altered that it no longer chemically resembles any cow: it is not considered a meat product, which of course could not be added to milk.
      That said, most kosher cheeses are of poor quality in terms of flavor and texture. Your best kosher bets, in my humble opinion, are Cabot's extra sharp Vermont Cheddar, the Sugar River cheeses out of Wisconsin (CRC hecksher), and some cheeses imported from Israel-feta, etc.
      I think you probably will be happier buying cheeses that are marked as having vegetarian rennet.
      Good luck, p.j.

      1. Thank you for both of your posts! While I was hoping that perhaps I'd found the magic loophole in the system, that would help me determine what is and isn't "okay" for me to eat, alas it didn't work out as planned. I think I will just stick to rennetless cheeses, or cheeses that are marked specifically as containing vegetable derived rennet, (though unfortunately so few are labelled this specifically), since it sounds like Kosher Cheeses are both possible harbingers of animal derived rennet, as well as none-too-tasty. Thanks again!

        2 Replies
        1. re: Laura D.

          It's funny for me that this question came up now. I am also a vegetarian. A few days ago I spoke with a Rabbi about this issue. The kosher cheeses that have an OU, OK, Kof K etc. or are cholov yisroel, if they use rennet at all, it is always vegetarian. They do not believe that the rennet or gelatin that is animal derived (and listed as kosher rennet or gelatin in many cheeses or yogurts under K supervision) is kosher even after it goes through so many chemical changes. As long as you purchase the above mentioned cheeses you will safely be staying within your vegetarian guidelines, and find many wonderful cheeses available to suite your needs and taste.

          1. re: beepbeep123

            Wow...that is hugely helpful. I'll make note of what you said and will look for the OU, OK, or Kof K on cheese labels from now on. Of course, there's always the unfortunate issue that many great cheeses are repackaged by the markets that sell them and thus don't contain the commercial demarcation reflecting whether they are kosher, etc. But, this knowledge will still enable me to have access to lots of cheeses without having to wonder what exactly it is I am eating. Thanks again!

        2. Look at the Joseph Farms Kosher Cheeses, they are tasty, and they do not use growth hormones either. They have a web page listing all the cheeses they produce, as well as their commitment to vegetarians and kosher consumers.

          1. Here is a link to some info on kosher gelatin:
            http://glatech.com/