I am going in for total hip replacement surgery next Monday and was recommended to drink “ensure clear” 3 hours prior to surgery. It has ‘whey ” and not cholov yisroel.
Can I drink it or do I need to do hatoras Nedarim?


Regarding hataras nedariim for someone who does not drink cholov stam, and for whatever reason has to now drink it, as in your situation. R’ Moshe Feinstein zt”l writes that it depends why you abstained until now from drinking cholov stam. If you didn’t drink it because you thought that it is ossur to drink then you don’t have to be matir neder, however if you didn’t drink it because you thought that it a good thing to be machmir on, but it isn’t really assur, then you should be matir neder.


Igros Moshe Y:D 1-47.

Tags: cholov Yisroel hataras nedarim

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2 Responses to “Hataras nedarim if I ate cholov stam?”

  1. Rav Belsky says that one who lives in a place where CY is readily available may NOT drink CS. But in this case it is not possible to get this beverage as cholov yisrael (I assume). So what would the halacha be according to Rav Belsky?

    • He isn’t arguing on what R’ MOshe said, because R’ Moshe also held that it is not l’chatchila to drink it. Still l’halacha it is permitted, but it isn’t preffered, and shouldn’t be done if possible.

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