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Is Soy Bad for You?

Hey guys, Dr. Axe here, Nutritionist and Doctor
of Functional Medicine. A common question I get is, “Is soy bad for you or is soy good
for you?” And the answer is, the majority of the time soy is bad for you but sometimes
it can be good for you. It depends on the form you’re buying it in. And in this video, I’m going to lay to rest
and kind of show you exactly if soy is good or if it’s bad and really also go over the
benefits and the side effects of consuming the right and the wrong type of soy. So my first answer here is, “Is soy good for
you or is soy bad for you?” And the answer is yes, 95% of the soy out there today that
people consume is bad for you. Now soy was popularized because we found in Okinawa, Japan,
they consumed a lot of soy. The problem is, it was a different type of soy than we consume
today. And the issue with soy is most soy today contains
something call phytoestrogens. And these phytoestrogens are estrogen mimickers in the body. And so,
if you’re male consuming extra estrogen, it’s going to give you more feminine characteristics. If you’re a woman consuming foods that increase
estrogen, it’s going to increase your risk of breast cancer, cervical cancer, and other
hormone imbalance related disorders. And so, that’s the main issue with most soy
products today is when you’re consuming a general process soy, that’s a big issue. And
let me tell you this other thing, too. This is a big deal, 90% of soy today is also genetically
modified, and genetically modified foods kill off good bacteria in your gut known as probiotics
and also damage your digestive system. So most soy today, because of the phytoestrogens,
because they’re genetically modified, they are terrible for your health. And that includes
soy protein. That includes soymilk. That includes almost any type of soy out there today aside
from something like a soy lecithin. But again, most soy today is an issue because of phytoestrogens
and the GMO foods. And it will increase women’s risk of PCOS,
that’s polycystic ovary syndrome. It’ll increase the risk of other hormone related disorders,
cervical cancer, breast cancer. Those, women, you want to stay away from any type of conventional
soy product that is genetically modified altogether. And men as well, because it will cause more
feminine characteristics. Now on the flip side, soy can be good for
you if it’s an organic, fermented soy. And organic means, it’s not GMO. There’s no chemicals
or fertilizers or pesticides. And then fermented means, it’s similar like turning a milk into
yogurt or cabbage into sauerkraut. Fermenting it actually increases its probiotics.
And Natto which is the type of soy they consume in Okinawa Japan where people have lived to
well over 100 all the time. That’s the type of soy they’re consuming on
a regular basis. And so it is loaded with probiotics. It’s non-GMO and it also is very
high in a vitamin called vitamin K2. And vitamin K2 is even more beneficial in therapeutic
benefits than vitamin K1, which is found in things like spinach and kale. But vitamin
K2 has been shown to help build strong bones. It supports brain health. It supports naturally
healing your body. So again, if it’s an organic fermented soy
product, it actually is terrific for your health. But let me throw this out there again.
I said 95% earlier, the case in point is that it’s probably 99% of the soy products we’re
consuming today are conventional. They’re GMO. They’re toxic to your system.
For that reason, soy is bad for you. But if you’re looking to improve your heart health,
your bone health and increase your life span, consuming Natto, also known as vitamin K2,
on a regular basis or getting those nutrients from Natto can actually be terrific for your
health. So again, if you want to reap the benefits
of soy, go and find a fermented soy product like Natto or search for a supplement that’s
vitamin K2, also known as MK7, can actually be very, very beneficial for your health. And listen, rather than soy, there’s a lot
of good products. I recommend, chia seeds are a high plant based source of protein with
good omega-3 fats. So again, years and years ago soy used to
be labeled a super food. A real super food are things like chia and flax seeds. They
have the same amount of protein but high levels of omega-3 fats as well. So again, I would
do those instead, a much, much better option. Hey, I hope you’ve enjoyed this video on me
answering the question, “Is soy good for you?” This has been me, Dr. Axe. By the way, if you want to check out more
videos like this, make sure you subscribe to the YouTube page here. Our YouTube videos
have got a lot of great content coming out. Also, if you want to learn more about soy,
you can do a search here on the site,, I actually have a lot more videos
on soy and answering that question, “Is it good or bad for you?” Hey guys, thanks for watching.

Randall Smitham



  1. Light 5 Posted on November 3, 2018 at 2:41 pm

    When people hear the truth they become your enemy.

  2. Ocean Medical Clinic Cosmetic Dermatology Posted on November 4, 2018 at 12:36 am

    Completely hilarious. Most soy products say Non- GMO. Plus, soy NEVER has ever turned a man into a woman. Agreed with the fermented soy and vitamin K2.

  3. Chagan EGM Posted on November 4, 2018 at 4:37 am

    Why don’t u do a video about why drinking normal milk is good for you. Like cows milk has saturated fat because that’s extremely good for us

  4. Low Down Posted on November 4, 2018 at 8:23 pm

    typical Dr. Axe personal opinion without clinical evidence..

  5. Srujan Peter Posted on November 6, 2018 at 10:10 pm

    Read up on soy protein containing lots of isoflavones and the further effects of phytoestrogens. And this is coming from a real doctor.

  6. Mad Cat Posted on November 14, 2018 at 3:00 pm

    Fucking idiot name josh Axe.

  7. M Chaney Posted on November 20, 2018 at 2:11 am


  8. Tahira Shahid Posted on November 20, 2018 at 3:15 pm

    What about whey protein then?

  9. Hanna W Posted on November 23, 2018 at 1:05 pm

    I am watching this while eating tofu.

  10. A Supremum Posted on November 25, 2018 at 2:44 pm

    Every food has "toxins" in it that are bad for you. It's best to not eat anything every single day. It's best to change what you eat very regularly. I try new foods all the time, but eat nothing all the time. Even the different varieties of plants we eat each have different self-protecting chemicals that can be harmful if any one is ingested regularly. Spinach for instance has lots of oxalic acid, grains and legumes have phytates. I personally get lots of bad reactions from grain and legumes, particularly in the form of inflammatory responses. I'm free of inflammation if I avoid them.

  11. Donald trump Posted on November 26, 2018 at 8:05 pm

    Heckin soyboys

  12. Energy,Frequency,Vibrations Posted on November 28, 2018 at 7:13 pm

    each person has their own definition of "food" , If you believe chips,candy, juice, is food, that's the problem, i'm not a genius but all i'm saying , the bible states you should eat a plant based diet, with some nuts in between, hipprocates , the father of medicine also recommended a plant based diet, But we would rather pleased our taste bud, that's where In my opinion lies the problem, well who cares, let the experts figure this one out.

  13. Ethan Leeds Posted on November 30, 2018 at 7:17 pm

    While agreeing on avoidance of GMO sad to see claims that contradict evidence. First Asian women from large parts of Asia have much lower breast and for men prostate cancer and don't just eat fermented soy but conventional soy too. Second plants can not make estrogen this is a fallacy, yes it makes something with a similar molecular structure which is why it got a wrong classification in the first place. If anything it blocks estrogen because it fits the same receptor sites.

  14. pappa 52 Posted on December 2, 2018 at 8:14 pm

    Soy is bad but drink milk lol

  15. MikeyTheUltimate Posted on December 2, 2018 at 10:21 pm

    The only thing that is bad for you is Dr.Axes incoherent nonsensical nutritional ramblings that are most likely based off of his fake doctor status 🤣

  16. mohamad happy vegan Posted on December 5, 2018 at 9:11 am

    what a dumb

  17. Woof Woof Posted on December 21, 2018 at 5:12 am

    I'm really confused right away, so probably the best milk is from your mom's boobs?

  18. Carsten B Hansen Posted on December 22, 2018 at 2:33 pm

    I just started going for a more green and health food, and and just found that soyamilk with a little orange juice, was very tasty, almost like sweet milk. But then i was looking on the internet for healths benefits, and it all say that it is not good to much estrogen, so then i look for another alternative but nothing in vegan milk is healthy at all. I have to stay with water. not good on oatmeal. 🙁

  19. 1CAV11B Posted on December 23, 2018 at 11:37 pm


    I have the same question for you “Dr., “ : where is your evidence? If you read medical journals you’re going to find that soy in any form reduces the incidence of breast cancer in women by 21%. Please tell us what your credentials are: do you have a doctorate doctorate degree in anything? From what university and in what year did you obtain any degrees that you have?

  20. WorkOutGameOut Posted on December 25, 2018 at 8:39 am

    Its simple dont Drink Soymilk, and dont Drink Cow Titty Puss either. alright next up lets see if Almond milks bad to.

  21. Marie -Josée Michaud Posted on December 26, 2018 at 6:33 pm

    And who finances those studies? Dairy,meat and egg industries of course!

  22. crypter27 Posted on December 30, 2018 at 1:31 am

    The question is, how can we avoid it?

  23. Janet Tepolt Posted on January 4, 2019 at 2:49 pm

    I disagree with you, completely. Organic tofu is actually good for you. Study after study-on humans have confirmed that it is good for you. I am an oncology nurse and read massively on nutrition. Many of the physicians in this country also agree.

  24. Adam Toutou Posted on January 6, 2019 at 12:28 am

    who is sponsoring this video?
    Let me guess the ….. DAIRY INDUSTRY!!!! This guy is full of BS hahaa

  25. mohammed ahmed Posted on January 6, 2019 at 6:44 am

    Think it is decreaseing sperm count…?

  26. Kayla Garcia Posted on January 10, 2019 at 2:03 am

    Im vegan and I know to only to eat organic soy and I honestly eat very little of it because it's one of the most genetically modified foods. Only eat organic soy if your eating soy.

  27. Cezar Banuca Posted on January 10, 2019 at 12:15 pm

    Still better than the animal products aka poison sold by supermarkets.

  28. Unbearable unspeakable pain and suffering Posted on January 10, 2019 at 1:39 pm

    Soy boys and monthly bloodspill hags raging in the comments. Thank you for your advice, Doctor. Just ignore these butthurt soy zombies.

  29. TheLegend27 Posted on January 11, 2019 at 12:15 pm

    @ Dr. Josh Axe how exactly did you get your information on how soy and gmo is bad for you?
    Indeed soy has lecithine but if you soak and cook it it will go away so your gut does not get affected by the lecithine in the soy and you will absorb the nutrients.
    Also phytoestrogen does not affect you like real estrogen which btw is in very high concentrations in even organic milk. Those estrogens are actually a group 1 carcinogen, add that with the grow hormones in milk and you have a food people should actually worry about. Soy is quite safe.
    You also have been talking about GMO, it is a very controversial topic but there is this misconseption GMO is automatically bad for human consumption. It is NOT, we have been genetically engineering crops for as long as human agriculture and we did it to make better crops. Now we have a better, more precise method than the hit or miss method of crossbreeding called genetic modifying. Making crops with mroe nutrition and crops that needs less pesticides is actually a good thing.
    However GMO is very bad on a global scale if we are talking about the model we use right now. Huge corporations like Monsanto is creating an agriculture monopoly with pattents on plants on great genetics so you can only buy from them. They are destroying global farming and they are destroying the environment, rainforrests in South America, for their soy plantations.
    This all in the name of profit. This is why GMO is bad, it does not affect your health, it kills our farmers and planet.

    For sources i will link some.videos that will actually show you the studies

    Mic the vegan soy

    Mic the vegan diary causes cancer

    Kurtz gesagt gmo

  30. iPressThis Posted on January 12, 2019 at 5:59 am

    Isnt all soy GMO lmao

  31. Evan Douglas Posted on January 13, 2019 at 6:05 am

    seemed more pragmatic

  32. Någon Hemlig Posted on January 18, 2019 at 9:13 pm

    I did not need science to know that soyboys are genetically modified shemales.

  33. Cade Derrick Posted on January 20, 2019 at 1:33 am

    "Genetically Modified foods kill off gut bacteria" Absolute BS. Dude lost all credibility with me after he said this.

  34. A Posted on January 20, 2019 at 1:40 pm

    Guys this man is a NAZI! Me and my non-binary soyfriend who regularly has multiple lovers whilst I watch have been drinking soy for years and we’re fine! #VoteHillary #BelieveHer

  35. Danny the NPC Posted on January 20, 2019 at 5:26 pm

    Soy boys are triggered.

  36. Rose O'Callaghan Posted on January 23, 2019 at 10:35 am

    1) There are more feminising qualities in BEER than soy products (organic and unprocessed, non GMO milk, tofu, etc).

    2) Men have to consume 14-20 SERVINGS of soy — the equivalent of 5 LITRES of soy milk a day!

    3) Women with breast cancer have had symptoms IMPROVE when eating soy products…

  37. spruceguitar Posted on January 25, 2019 at 3:28 am

    Dr Axe, is there any organic TOFU that I can buy in North America that you recommend? Thanks in anticipation

  38. Serina Cordova Posted on January 28, 2019 at 5:04 am

    Mostly everything we eat has soy

  39. Simon D Posted on January 28, 2019 at 8:35 am

    Interview on treadmill love it

  40. Paola Namuncura Posted on January 28, 2019 at 10:28 pm

    Wft i cant Drink whole milk or non fat What the freak am i suppose to Drink!!!!!!

  41. SACREDFlRE Posted on January 31, 2019 at 12:57 pm

    Men, don't eat flax seeds unless you're "transitioning"

  42. Teresa Biber Posted on February 1, 2019 at 2:32 pm

    What about organic black soy beans?

  43. philosophyofthestars Posted on February 2, 2019 at 2:30 pm

    The phytoestrogens in soy actually activate Estrogen Beta more than Alpha and has been show to be helpful in breast cancer and prostate disease. Asia has eaten high amounts of soy for thousands of years and it has always contained these phytoestrogens.

  44. Fuck The human race Posted on February 2, 2019 at 8:33 pm

    I used in vegetable

  45. Shake and Bake Posted on February 4, 2019 at 4:57 pm

    hi please answer this : how can i reduce the bad effects of soy products and kill estrogen in it !!! (if i put chocalate in high temperature does it kill phyto estrogens ? we all know that this works for cruciferous foods but i don't know for soy !!!

  46. Silvia Badillo Posted on February 6, 2019 at 3:03 am

    All the people commenting here seem to be professional doctors wow🙄

  47. Ocean Medical Clinic Cosmetic Dermatology Posted on February 12, 2019 at 8:44 am

    Some of the longest living people are in Japan and these people easily say that they eat tofu their entire life. Also, when you shop tofu, a lot of the products state "NON-GMO". As for feminine characters from eating soy, all the men in tofu eating countries should have breasts (they do not) and all the women should have GIANT breasts (NOT happening). A lot of research show that eating soy decreases breast cancer. Does soy lower testosterone?- no effect (does not increase or decrease). Men's libido in tofu eating countries are pretty high (China had to limit families to 1 child per family, until recently when their population started getting to old.) But sadly, these myths will continue withOUT any evidence whatsoever. Honestly, you are better off saying, " I don't know the answer to that."
    I agree with your comment that natto is very beneficial, but it is eaten everywhere in Japan. Also agreed with comments on Vit K2 (prevents heart disease and osteoporosis) which is found in egg yolks and natto.

  48. Helen Ellsworth Posted on February 13, 2019 at 3:39 am

    Well thank goodness for organic soy beans are not bad 😁

  49. Jygo Gaming Posted on February 21, 2019 at 6:56 pm

    How about tofu ? Non GMO?

  50. Yashswini Chauhan Posted on March 8, 2019 at 6:54 pm

    Everything we eat is genetically modified. All the vegetables and grains we eat are GM. So what's the point of avoiding just soy?

  51. mikku mikku Posted on March 10, 2019 at 9:18 am

    If man eat soy they can get female body

  52. joe mk Posted on March 15, 2019 at 8:52 pm

    Dude your education literally says you’re a chiropractor

  53. Thesquidgeyone Posted on March 16, 2019 at 11:30 pm

    How on Earth does GMO kill commensal bacteria??

  54. Met3lAngel Posted on March 17, 2019 at 6:46 am

    What about non-gmo/organic tofu? Non fermented soy products like tofu, soy milk and bean curd has been part of Asian cuisine for centuries and Asians are still kicking it so……what's your answer to that?

  55. Willzilla Posted on March 26, 2019 at 12:58 pm

    Get rid of soy from your diet and reap the benefits. It’s terribly bad for you full stop! 🛑✋

  56. yo Posted on March 27, 2019 at 7:42 pm

    "naaaarto", I assume he's talking about natto?

  57. Dass e Posted on April 7, 2019 at 4:54 am

    I was just getting into tofu and soy milk. Well damn. I guess I go back to eating hamburgers and hot dogs now.

  58. Sara Winardi Posted on April 19, 2019 at 12:23 pm

    If you go to a Chinese supermarket and Western supermarket, soymilk is very different. From the way, it’s bottle to the ingredients.

  59. Gan-Eagla Posted on April 19, 2019 at 8:01 pm

    Proven to lower testosterone in males. Ill stick to avoiding Soy unless its from Japan

  60. Lisa777 There is a better way Posted on April 22, 2019 at 7:17 pm

    very helpful!! Thank you! Hugs

  61. the bronze Posted on April 24, 2019 at 10:12 am


  62. rach g Posted on April 27, 2019 at 1:01 am

    i eat organic tofu made from soybeans…. is it still bad?

  63. Carnivorious Lion Posted on May 1, 2019 at 5:47 pm

    Learning how to integrate certain foods together in order to enhance their positive effects, with very low or even cancellation of the negative effects is also an important factor.

  64. MyChilepepper Posted on May 29, 2019 at 12:01 pm

    Would that also includes animal products raised with soy feeds and growth hormones?

  65. VALUED -1 Posted on May 31, 2019 at 1:11 am

    Is Soybean Oil bad for 30 something male?

  66. Valeria Del Rio-Rodriguez Posted on June 16, 2019 at 9:19 pm

    How many grams of soy do u recommend each age groups to have weekly?

  67. Madison Faeolin Posted on June 18, 2019 at 9:20 pm

    Doctor of promoting animal abuse?

  68. Pablo Vigo Posted on June 22, 2019 at 7:31 am

    Yeah don't listen to this fucking moron. He doesn't know what he is talking about.

  69. B-rocka 4life Posted on June 25, 2019 at 10:50 am

    Sorry vegans….. I guess

  70. Damian Araneta Posted on June 26, 2019 at 4:10 am

    soy made my stomach upset. so i stop

  71. Evurgreen Gray Posted on July 3, 2019 at 6:54 pm

    clicked because Axe

  72. Aseem Khullar Posted on July 9, 2019 at 9:39 am

    Soy is the most beneficial food in the world ,that's the reason why Japanese people live long

  73. Tony Johnson Posted on July 13, 2019 at 2:36 pm

    What about NON-GMO tofu?

  74. Soraya Watkins Posted on July 13, 2019 at 9:31 pm

    I think post-menopausal women (here: undergo the breast cancer risk.

  75. Natalia García Posted on July 19, 2019 at 10:40 am

    I thought it was only me that at the end of the video I was more confused that before. Really a mess of ideas.

  76. seeker15308 Posted on July 26, 2019 at 2:56 am

    This so called “doctor” has no idea what he’s talking about. Non-gm soy is one of the healthiest foods. It prevents cancer for both men and women. Men, it won’t make you “womanly”. This is all proven / backed by science years ago. The dairy and meat industry just don’t want you to know. Dairy and meat are way more dangerous. Do your own unbiased research.

  77. DIY Jay Posted on July 27, 2019 at 2:33 pm

    I’m very confused now! Everyone is saying different things about soy 🙈

  78. Nicolas Seufert Posted on July 28, 2019 at 12:37 pm

    so GMO foods are always bad for you, without even trying to explain why that might be? thank you for being not at all helpful or informative. -> dislike

  79. Laura Clarke Posted on August 1, 2019 at 2:37 pm

    If its organic soya and tofu then it's fine, it's when they add things of other products towards it. I like eating or drinking them because it's healthy lifestyle.

  80. Cy Salih Posted on August 7, 2019 at 8:51 pm

    Most of the vitamin E complex i found were containing soy bean oil. are they safe to consume?

  81. Nayeli Elyan Posted on August 13, 2019 at 12:35 am

    Use more soy sauce in frying your vegetables … he’s not promoting the livestock/dairy industry .. what did he say that gives you the right to pick on him? He’s sharing information and if you want people to do the shit studying you are too busy with your life’s to do yourself … don’t antagonize him. Otherwise, he will say screw You and live his life educating people that actually care about him!

  82. panget siako Posted on August 13, 2019 at 7:57 am

    I want to drink soy because my breas so small now i thinking i drink or not 😕😕😕😕

  83. Aliza Baral Posted on August 14, 2019 at 11:36 pm

    I just bought soy latte.. i m confused either to drink or not 😪

  84. abyami BarRoa Posted on August 29, 2019 at 1:27 pm

    What about tofu? Didn’t mention tofu here….

  85. Kathryn Brown Posted on September 14, 2019 at 12:17 pm

    Thoughts on miso?

  86. UltimateFireCracker Posted on September 15, 2019 at 8:00 pm

    Is Alpro Soy Milk bad??!!!

  87. Dania A. Oliva-Peña Posted on September 17, 2019 at 5:45 pm

    I've been using soy products since I was 18 yrs old . It became a part of our family meals and I now understand why I went from 120lbs to 280 lbs . I also suffered for years without understanding why . I now have an under active thyroid . You know what sucks though is that I gave this to my children when the were toddlers all the way till adulthood. They are physically suffering the effect that Dr.Gundry mentioned. What I can say is that I saved money having meatless days of the week and I never had any of the horrible effects of menopause most women have . Will ,I cut back on my soy intake ?

  88. Nitish Kumar Posted on September 21, 2019 at 9:49 am

    Dr. X,
    Soy is best for all time and it is batter then any meat!!

  89. Ryan McKenna Posted on September 23, 2019 at 6:31 am

    What about miso?

  90. Shalala Co Posted on October 3, 2019 at 12:38 pm

    what about tempeh??

  91. Todd Ayers Posted on October 3, 2019 at 6:58 pm

    What clinical study did you pull this information from? And who funded the study?

  92. Big Sky Gazing Co. Posted on October 7, 2019 at 8:49 pm

    What about edamame beans ?

  93. Katie Ko Posted on October 10, 2019 at 6:46 am

    Hello, I would love to know your opinion about organic tofu? Is organic tofu bad as soy milk right?

  94. JANE JOHNSON Posted on October 13, 2019 at 7:31 am

    Soya lecithin makes me so ill

  95. DaN Oliveira Posted on October 17, 2019 at 3:35 am

    People who have transitioned from a male body to a female have spent thousands on hormones. If only they'd known they could've just eaten soybeans. (/Irony)

    Soy won't make you female! Phytoestrogens are not as same as estrogen and it's actually proved to be HEALTHY for both men and women. You didn't mention or point out any research studies. Look up Michael Gregger : he points out tons of studies. Bad video.