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There is no strong evidence of any link between phytoestrogen consumption and adverse health effects, as shown by a cursory look at the Wikipedia page for phyto

There is no strong evidence of any link between phytoestrogen consumption and adverse health effects, as shown by a cursory look at the Wikipedia page for phytoestrogens, and the literature. I’ve consumed minimum 1 cup soy milk almost my entire life. No man boobs and my sperm works just fine. What’s funny is people usually warn me that eating soy will somehow harm my masculinity, yet they aren’t aware milk, eggs, and meat also contain phytoestrogens https://pubs.acs.org/doi/10.1021/jf801344x https://pubs.acs.org/doi/10.1021/jf801344x

goldenkey 6y ago
So does wheat, coffee, sesame seeds - in fact: most grains. https://en.wikipedia.org/wiki/Phytoestrogen#Food_sources https://en.wikipedia.org/wiki/Phytoestrogen#Food_sources But soy gets all the press. People believe what they desire to believe... And good on you. I too drink 1/2 Liter of Westsoy Unsweetened Soymilk daily. Silk just came out with an unsweetened variety too! :-)
- newen 6y ago
  This is like saying both water and botulinum are technically toxins, so it’s okay to drink liters of botulinum a day. What matters is the quantity of phytoestrogens in foods, and soy products happens to have significantly higher phytoestrogens than other foods.
  - goldenkey 6y ago
    I am not making a two wrongs make a right argument. I argue that grains are pervasive in our society and have no noticable ill effects. You strawmanned by claiming soy has way higher phytoestrogens than other foods. It's not true. It is just more studied due to its increasing popularity. Lignan forms of phytoestrogens are in potent concentrations in common cereal grains. https://www.researchgate.net/publication/24284429_Phytoestrogen_Content_of_Cereals_and_Cereal-Based_Foods_Consumed_in_the_UK https://www.researchgate.net/publication/24284429_Phytoestro... https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5302234/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5302234/
    - newen 6y ago
      From the first link's abstract: > Phytoestrogens were detected in all foods analyzed; bread contained the highest amount of phytoestrogens-many as isoflavones-with an average content of 375 +/- 67 microg/100 g wet weight (excluding soya-linseed bread with 12,000 microg/100 g). This is what I'm saying. You are comparing 375 and 12,000 and saying the difference doesn't matter. It's a two orders of magnitude difference. So no, what you're saying is not true. Soy products have significantly higher levels of phytoestrogens than other foods.
      - goldenkey 6y ago
        I stand corrected. This source also confirms your observations. http://www.pkdiet.com/pdf/pld/phytoestrogen.pdf http://www.pkdiet.com/pdf/pld/phytoestrogen.pdf Thank you for enlightening me.
greenshackle2 6y ago
Cow milk also contains actual mammalian estrogens.

goldenkey 6y ago

So does wheat, coffee, sesame seeds - in fact: most grains. https://en.wikipedia.org/wiki/Phytoestrogen#Food_sources https://en.wikipedia.org/wiki/Phytoestrogen#Food_sources But soy gets all the press. People believe what they desire to believe... And good on you. I too drink 1/2 Liter of Westsoy Unsweetened Soymilk daily. Silk just came out with an unsweetened variety too! :-)

newen 6y ago
This is like saying both water and botulinum are technically toxins, so it’s okay to drink liters of botulinum a day. What matters is the quantity of phytoestrogens in foods, and soy products happens to have significantly higher phytoestrogens than other foods.
- goldenkey 6y ago
  I am not making a two wrongs make a right argument. I argue that grains are pervasive in our society and have no noticable ill effects. You strawmanned by claiming soy has way higher phytoestrogens than other foods. It's not true. It is just more studied due to its increasing popularity. Lignan forms of phytoestrogens are in potent concentrations in common cereal grains. https://www.researchgate.net/publication/24284429_Phytoestrogen_Content_of_Cereals_and_Cereal-Based_Foods_Consumed_in_the_UK https://www.researchgate.net/publication/24284429_Phytoestro... https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5302234/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5302234/
  - newen 6y ago
    From the first link's abstract: > Phytoestrogens were detected in all foods analyzed; bread contained the highest amount of phytoestrogens-many as isoflavones-with an average content of 375 +/- 67 microg/100 g wet weight (excluding soya-linseed bread with 12,000 microg/100 g). This is what I'm saying. You are comparing 375 and 12,000 and saying the difference doesn't matter. It's a two orders of magnitude difference. So no, what you're saying is not true. Soy products have significantly higher levels of phytoestrogens than other foods.
    - goldenkey 6y ago
      I stand corrected. This source also confirms your observations. http://www.pkdiet.com/pdf/pld/phytoestrogen.pdf http://www.pkdiet.com/pdf/pld/phytoestrogen.pdf Thank you for enlightening me.

greenshackle2 6y ago

Cow milk also contains actual mammalian estrogens.