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It is preferable but NOT a halachic necessity (as stated by OU R Blumenkrantz ZTL and others) to buy liquid premade formula
Possibly, it’s because a small amount of chametz would have been batel, but if you mix it on Pesach, even minute amounts do not become batel.
to daas yochid you are thinking along the right lines. I was told that it has to do with lach bilach (mixing permitted and not permitted items to nullify and in our case when something is assur miderabban)There is an essay which discusses this lach bilach concept online type in the words lach bilach in google you will get the article it is on the bottom of part/page three heres the link http://www.koltorah.org/ravj/14-34_Medicines_that_Contain_Non-Kosher_Ingredients_or_Chametz_1.htm
Also, many of the soy based formulas still contain milk products (I believe Similac’s does. . .)
good start doesn’t
Nestle Good Start? I thought that wasn’t kosher at all?
From their FAQs:
Q:
A:
Um, U followed by pareve is the Kosher dairy symbol?
There have been studies that show soy formula can have bad side effects. Soy contains a lot of estrogen. Young people’s bodies are not able to process it properly and produce the hormones to counteract the estrogen. The study links high estrogen to homosexuality in boys and infertility in both genders. Unless you have health concerns with milk-based formula, I’d avoid the soy. Better to drink cholov stam formula than have these side effects.
Um, U followed by pareve is the Kosher dairy symbol?
I copied straight from the site – I hadn’t noticed that part!
Unless you have health concerns with milk-based formula, I’d avoid the soy. Better to drink cholov stam formula than have these side effects.
Very possible, especially if the baby is exclusively on soy. If it’s a supplement to nursing, it might not be an issue (I haven’t seen the studies; if CY formula wasn’t available, I’d do more research).
Hey, my baby is fine no side effects (at least none that we know of) (he does have horrible coughing spells now, though)(He’s already been drinking milk for 4 months already)
mbachur — The side effects discussed with regard to soy formula are long term, not short term. The studies are somewhat inconclusive and controversial, but there is definitely enough reason for concern to have a chat with your doctor and posek. If your child can’t tolerate milk, there may be no choice. Also if the formula is just a supplement to nursing, it is less of an issue. But soy does contain the hormone estrogen, and a baby who is exclusively formula fed soy formula receives so much it is the same dose of hormones as in a daily birth control pill. How that effects a baby long term is still unclear.
I’ve read that it’s actually like 5 daily birth control pills. I also read that it’s the dairy farmers that are publicizing all the negative information about soy so it should all be taken with a grain of salt.
mbachur, I wouldn’t worry. This from abcnews:
The report from the American Academy of Pediatrics also referred to theories that some of the hormones in soy protein formulas can interfere with an infant’s reproductive development because of their similarity to the human hormone estrogen. But no studies have supported these ideas.
That report recommends milk based formula, because there is “no reason” to use soy. Well, we have a good reason, so I don’t know if a posek would say to use chalav stam based on unsubstantiated theories. I certainly wouldn’t worry about it after the fact.
Does anybody have any real studies showing a problem with soy?
From e-how:
Most of the danger of soy formula is linked to studies using lab rats. In some studies, rats fed a soy formula fell behind on expected growth, developed sexual organ deformities and showed levels of decreased fertility. These problems are believed to be linked to the phytoestrogen, or genisteins, found in soybeans, which in turn affects natural estrogen production.
I spoke to a pediatrician this morning (not the one I mentioned earlier) who told me that the hormone issue with soy formula is not generally accepted in mainstream medical practice.
He also told me that in the Chassidic community he practices in, most frum people do not rely on cholov stam, and many use soy formula for that reason.
DY,
Then they would be an interesting group to test on the effects of soy formula.
I don’t know much about the soy debate. I know that just because something isn’t mainstream medical practice, doesn’t mean it isn’t correct (nor that it is correct).
I never used much formula (I mainly pumped and we don’t keep CY anyway) so this wasn’t something I had to research much.
SJS,
My point is that from a halachic perspective, I don’t think theories which have not been accepted should be used as grounds to be lenient (for one who otherwise would not be).
DY, I understand that.
But breastmilk is still better for the baby 🙂
Definitely!
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