Soy lethicin and soy oil

SallyS70 · November 2014

Because my cancer was estrogen positive, I am trying to avoid soy. While reading my100% whole wheat bread label, I noticed that it contains both soy lethicin and soy oil. Do any of you know if these two ingredients should be avoided by those who are estrogen positive? Both seem to be in a lot of foods. I even read that vegetable oil is often soy oil although that is not said. Thank you for any knowledge you can share.

ruthbru · November 2014

It has been so long ago now that I research it that I can't even remember my sources, but what I found said that soy lethicin was okay. Not sure about the soy oil.

mel147 · November 2014

My IDC was 77% ER+ and 27% PR+. I saw a nutritionist in October who recommended I avoid soy protein, soy oil and ground flaxseed (I have also seen this listed as flax meal). She said soy lecithin would be 'ok.' I was bummed...some of my favorite salad dressings are made with soy oil. I've found some substitutes, but I don't like them as much!! Good look with the dietary changes!

SallyS70 · November 2014

Thank you Ruth and Mel for responding. I have been reading labels more closely. Soy oil is in a lot of foods.

Blessings2011 · November 2014

SallyS70 - I am 100% ER+. My MO is awesome... a brilliant researcher, compassionate MD, and highly regarded among her peers.

The only thing she told me about soy was to switch from soy milk every morning to Lactaid, and don't eat things like tofu or edamame as my primary sources of protein.

She said that foods with soy products named way down the list of ingredients are fine. She said there have been no clinical studies showing a direct link between breast cancer growth or recurrence and these items.

So that's what I do. Avoid the major stuff; don't sweat the small stuff. I do read labels obsessively, though, just so I am aware what I'm putting in my body. I think it's more about balance than anything else.

dlb823 · November 2014

Sally, from what I've read and been told by docs @ UCLA, a moderate amount of soy -- assuming you've always eaten it and like it -- are okay, with the exception of soy protein isolate, which is concentrated soy, so not good for us. In addition to straight soy protein powder (which is soy protein isolate), most protein bars, protein drinks, and a lot of meat substitutes are made with soy protein isolate, so you have to read labels and should avoid it.

As far as soy lecithin and soy oil, I don't think the small amount of them in bread should be a problem. But most of the US soy crop is GMO, and due to the way the soy beans are processed, those two soy products are said to contain a concentrated amount of toxic sludge. That, more than the estrogenic effect, seems to be the concern about getting too much of them from multiple sources, including some supplements that use them as binders and fillers.

If you're concerned about it, it shouldn't be that hard to find a different bread -- maybe one that uses organic soy oil, if at all. Deanna

SallyS70 · November 2014

Blessings and dlb, thank you for responding. I am keeping this thread in my favorites niche so that I can reread all 4 responses when I panic about soy lethicin and soy oil. I continue to be amazed at how many foods contain these two ingredients. Reading labels has become a hobby. I am trying to cut back on processed foods which I hear is a good thing even if the soy leth and soy oil is not a major problem.

Thanks again Ruth, Mel, Blessings and dlb!

ruthbru · November 2014

It is always healthier to eat less processed foods, so it is good to cut back on them with, or without, cancer. I think that moderation is the key in all things. While you wouldn't want to eat a diet consisting exclusively of soy burgers (gag), and eating natural food is best, a small amount here and there is not going to make a difference.

Nancy2581 · November 2014

I just looked at my bottle of vitamin D3 that my MO told me to take daily. First ingredient is soybean oil. These capsules are tiny. Is this a problem?

Nancy

SallyS70 · November 2014

Nancy ... I am sorry that no one has responded to your question ... I do not know the answer.

Nancy2581 · November 2014

thanks SallyS70 - I think when this bottle is empty I will just look for another vitamin D3 without soybean oil.

Nancy

Jenwith4kids · November 2014

Nancy, I switched my vitamin D to one made with olive oil. I think the brand is "now", Amazon has it

Nancy2581 · November 2014

oh thanks for that and on Amazon too - perfect! I have prime

Nancy

glennie19 · November 2014

Trader Joe's Vitamin D also used olive oil, no soy.

rozem · November 2014

what about soy sauce?

leggo · November 2014

I would suppose it depends on how much soya sauce you use. We go through tons, so I make it myself. Here's the recipe.

https://community.breastcancer.org/forum/86/topic/824047?page=1#post_4137401

Blessings2011 · November 2014

Just saw my MO last week for my three-year check.

According to her most recent information, the latest clinical research shows that soy has no effect - good OR bad - on BC. So I am cleared to have as much as I want. And yes, I am 100%ER+, and yes, my MO is a brilliant researcher.

I still believe in all things in moderation, though...

rozem · December 2014

thx leggo i will try that !

Blessings. Interesting. Seems like things change...so hard to keep up!

mmb1234 · December 2014

I would be so interested in more information about soy and estrogen + bc. I have been reading labels and am so surprised at where it pops up and do my best to avoid it. Have thrown out any vitamin E oil that was soy based (but found one at Whole Foods that is sunflower/safflower oil based). I take a nature made vit. D supplement that does not have soy on the ingredient list. Curious too about the differences between vit D capsules and oil? I am seeing a new MO next week, and trying to compile a list of questions for her. Welcome any thoughts on any of the above!

Soy lethicin and soy oil

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