Cancer Epidemiol Biomarkers Prev April 2007 PMID 17416779

Clinical and biological activity of soy protein powder supplementation in healthy male volunteers.

Susan Goodin, Francisco Shen, Weichung J Shih, Nisha Dave, Michael P Kane, Patrick Medina, George H Lambert, Joseph Aisner, Michael Gallo, Robert S DiPaola

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Mentions

56
Peak: 12 in Jan 2024
across 3 sources since Sep 2019

Extended reach

207,447
potential audience

Total likes

1,841

Video views

29,108

Mentions per month

Sep 2019 – Oct 2025

Where it's discussed

  • X / Twitter44 posts
  • Facebook10 posts
  • YouTube2 videos

AI synopsis

What people are saying

The collection reveals a predominantly supportive stance, with numerous posts affirming the negative effects of soy on testosterone, using scientific language and emphasizing biological mechanisms, which shows active engagement and interest. Conversely, some comments question the overall impact or mention conflicting studies, highlighting varied perspectives on soy's health implications.

AgreementModerate agreement

Most discussions concur with the study’s findings that soy protein decreases testosterone levels, supported by comments like 'YUP! I’m a scientist and concur' and 'Data show that soy protein powder decreases serum testosterone levels,' showing a general a

InterestHigh interest

Many participants express strong interest, especially scientists and health enthusiasts, with phrases like 'Science incoming' and references to biological mechanisms or health impacts, indicating high curiosity and concern.

EngagementModerate engagement

Discussions go beyond superficial comments, often referencing scientific concepts, potential health implications, or related societal issues, showing a moderate depth of engagement.

ImpactModerate impact

While some posts mention potential implications, such as impacts on masculinity or reproductive health, the overall perceived influence appears moderate, as few posts argue that this study will drastically change health recommendations.

Abstract in brief

  • The study examined the effects of a common soy protein supplement on healthy men, finding that it significantly decreased serum testosterone levels and acted as an ERbeta agonist in vitro.
  • Serum testosterone and luteinizing hormone levels changed during the 4-week soy supplement period, with testosterone decreasing and LH showing a non-significant decrease.
  • The soy protein powder demonstrated biological activity by activating ERbeta receptors in vitro, suggesting potential implications for cancer prevention that require further research.]

Top posts

Most liked on X and Bluesky
#PositiveTribe
@positivetribenl · X

@LovedTooEasily Verstand is al aangetast, mannelijkheid binnenkort ook. Mocht er nog iets van aanwezig zijn…. Welke idioot slacht een koe voor melk? https://t.co/UXgyBBRuiu

Jul 16, 2022 · 17 likes · 22,857 followers View post →
youcouldhaveavoidedthis
@youcouldhaveav1 · X

@rosterbatorium @Hud_Rockchester @nypost https://t.co/iOGSNh2Q9t Good start. Important to note if someone has prostate issues, soy protein can be beneficial

Nov 15, 2022 · 6 likes · 20 followers View post →
Luca Battanta
@lucabattanta · X

Ho appreso che quando qualcuno li chiama uomini soia c'è pure un motivo scientifico https://t.co/PT8VWeh3J1

Dec 11, 2023 · 5 likes · 2 shares · 27,690 followers View post →
Djindji
@Djindji4 · X

@MichielT37 Hier ook nog een leuke voor je.... Clinical and biological activity of soy protein powder supplementation in healthy male volunteers https://t.co/3jgTSaE2rN

Jul 16, 2022 · 3 likes · 2,002 followers View post →
Djindji
@Djindji4 · X

@MichielT37 Geen probleem toch???

Jul 16, 2022 · 3 likes · 2,002 followers View post →
thatsalogicalfallacy
@bearsrfuxt · X

@BJeffreySherman @Rickstar72 @AndySwan Soy, probably this one article out of many on the subject. https://t.co/6sbXhRjKlx

Oct 9, 2021 · 3 likes · 148 followers View post →

All mentions

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@_R0SC0E_ · X

Clinical and biological activity of soy protein powder supplementation in healthy male volunteers (2007) https://t.co/Q599Asc4zm Conclusion: Soy protein powder decreases serum testosterone levels in healthy men and acts as an ER (estrogen receptor)-beta agonist; the

Oct 12, 2025 · 362 followers View post →
Jakub Mościcki
@Jakub_moscicki · X

@mmafight98 @myslozbir "SoyBoy" nie wziął się znikąd. A badania takie jak to? "Soy protein powder decreases serum testosterone levels in healthy men and acts as an ER-beta agonist" https://t.co/hJzEnvPTX7

May 15, 2024 · 1 like · 45,068 followers View post →
James, Father of Smart Phone, #1 Gamer, 256x Coder
@JamesSager · X

@HealthyLife500 YUP! I'm a scientist and concur Soy reduces testosterone: https://t.co/w4XhrMK0Wg Soy causes Erectile dysfunction and shrinking of testes: https://t.co/7Cw51yweur Data show that soy protein powder decreases serum testosterone levels in healthy men: https://t.co/v8mhs0RLXa Soy

Jan 7, 2024 · 4,966 followers View post →
James, Father of Smart Phone, #1 Gamer, 256x Coder
@JamesSager · X

@OrganicLiveFood I'm a scientist and concur Soy reduces testosterone: https://t.co/w4XhrMK0Wg Soy causes Erectile dysfunction and shrinking of testes: https://t.co/7Cw51yweur Data show that soy protein powder decreases serum testosterone levels in healthy men: https://t.co/v8mhs0RLXa Soy

Jan 7, 2024 · 4,966 followers View post →
James, Father of Smart Phone, #1 Gamer, 256x Coder
@JamesSager · X

@jason_muthomi Right I'm a scientist and concur Soy reduces testosterone: https://t.co/w4XhrMK0Wg Soy causes Erectile dysfunction and shrinking of testes: https://t.co/7Cw51yweur Data show that soy protein powder decreases serum testosterone levels in healthy men: https://t.co/v8mhs0RLXa

Jan 7, 2024 · 4,966 followers View post →
James, Father of Smart Phone, #1 Gamer, 256x Coder
@JamesSager · X

@DietHeartNews Truth! I'm a scientist and concur Soy reduces testosterone: https://t.co/w4XhrMK0Wg Soy causes Erectile dysfunction and shrinking of testes: https://t.co/7Cw51yweur Data show that soy protein powder decreases serum testosterone levels in healthy men: https://t.co/v8mhs0RLXa

Jan 7, 2024 · 4,966 followers View post →
James, Father of Smart Phone, #1 Gamer, 256x Coder
@JamesSager · X

@bigfatsurprise I'm a scientist and concur Soy reduces testosterone: https://t.co/w4XhrMK0Wg Soy causes Erectile dysfunction and shrinking of testes: https://t.co/7Cw51yweur Data show that soy protein powder decreases serum testosterone levels in healthy men: https://t.co/v8mhs0RLXa Soy

Jan 7, 2024 · 4,966 followers View post →
James, Father of Smart Phone, #1 Gamer, 256x Coder
@JamesSager · X

@Mangan150 I'm a scientist and concur Soy reduces testosterone: https://t.co/w4XhrMK0Wg Soy causes Erectile dysfunction and shrinking of testes: https://t.co/7Cw51yweur Data show that soy protein powder decreases serum testosterone levels in healthy men: https://t.co/v8mhs0RLXa Soy

Jan 7, 2024 · 4,966 followers View post →
James, Father of Smart Phone, #1 Gamer, 256x Coder
@JamesSager · X

@LoriShemek I'm a scientist and concur Soy reduces testosterone: https://t.co/w4XhrMK0Wg Soy causes Erectile dysfunction and shrinking of testes: https://t.co/7Cw51yweur Data show that soy protein powder decreases serum testosterone levels in healthy men: https://t.co/v8mhs0RLXa Soy

Jan 7, 2024 · 4,966 followers View post →
James, Father of Smart Phone, #1 Gamer, 256x Coder
@JamesSager · X

@RDValerie Do you know there are people who DO NOT KNOW SOY is toxic? Science incoming: Data show that soy protein powder decreases serum testosterone levels in healthy men: https://t.co/v8mhs0RLXa Soy reduces testosterone: https://t.co/w4XhrMK0Wg Soy causes Erectile dysfunction

Jan 7, 2024 · 4,966 followers View post →
James, Father of Smart Phone, #1 Gamer, 256x Coder
@JamesSager · X

@TheGospe1 Do you know there are people who DO NOT KNOW SOY is toxic? Science incoming: Data show that soy protein powder decreases serum testosterone levels in healthy men: https://t.co/v8mhs0RLXa Soy reduces testosterone: https://t.co/w4XhrMK0Wg Soy causes Erectile dysfunction and

Jan 7, 2024 · 1 like · 4,966 followers View post →
James, Father of Smart Phone, #1 Gamer, 256x Coder
@JamesSager · X

@TheJohnCJordan @Schwarzenegger Scientist here! Your wife is correct! Switch to whey or pea. Science incoming: Data show that soy protein powder decreases serum testosterone levels in healthy men: https://t.co/v8mhs0RLXa Soy reduces testosterone: https://t.co/w4XhrMK0Wg Soy causes Erectile dysfunction

Jan 7, 2024 · 4,966 followers View post →
James, Father of Smart Phone, #1 Gamer, 256x Coder
@JamesSager · X

@TheJohnCJordan Scientist here! Your wife is correct! Switch to whey or pea. Science incoming: Data show that soy protein powder decreases serum testosterone levels in healthy men: https://t.co/v8mhs0RLXa Soy reduces testosterone: https://t.co/w4XhrMK0Wg Soy causes Erectile dysfunction and

Jan 7, 2024 · 4,966 followers View post →
James, Father of Smart Phone, #1 Gamer, 256x Coder
@JamesSager · X

@TheJohnCJordan @BradPilon Scientist here! Your wife is correct! Switch to whey or pea. Science incoming: Data show that soy protein powder decreases serum testosterone levels in healthy men: https://t.co/v8mhs0RLXa Soy reduces testosterone: https://t.co/w4XhrMK0Wg Soy causes Erectile dysfunction and

Jan 7, 2024 · 4,966 followers View post →
ENRICO
@EnricoAntonio68 · X

RT @lucabattanta: Ho appreso che quando qualcuno li chiama uomini soia c'è pure un motivo scientifico https://t.co/PT8VWeh3J1

Dec 11, 2023 · 2 shares · 1,204 followers View post →
Daniele -Danic- Imola -R-
@DanicWasTaken · X

RT @lucabattanta: Ho appreso che quando qualcuno li chiama uomini soia c'è pure un motivo scientifico https://t.co/PT8VWeh3J1

Dec 11, 2023 · 2 shares · 984 followers View post →
Luca Battanta
@lucabattanta · X

Ho appreso che quando qualcuno li chiama uomini soia c'è pure un motivo scientifico https://t.co/PT8VWeh3J1

Dec 11, 2023 · 5 likes · 2 shares · 27,690 followers View post →
Abhilash
@SlimShadybhakt · X

@Learner1290 @priya_nagwani I don't listen to any youtubers, my opinion is based on research. https://t.co/RlHOyl8Qms https://t.co/NHcsQq3zUA

Oct 3, 2023 · 4 followers View post →
Boomer-Pilled
@oopmouth11 · X

@jpgrygus @WallStreetSilv @stclairashley 20% reduction in testosterone throughout the duration of supplementation. Was found to chemically agonize estrogen receptor beta. Totally fine. And totally fake because you eat a ton of soy and obviously aren't overly sensitive.

May 26, 2023 · 471 followers View post →
Artaxes
@RealArtaxes · X

@tomdabassman Volle Zustimmung. Steckt euch den veganen Abfall in den Arsch. Da wollen Beta-Männchen, die sich wegen einem halben Grad Celsius mehr Wärme in die Hose scheissen, erklären was, ein echter Mann ist. "Soy protein powder decreases serum testosterone levels" https://t.co/naEqK225as

May 19, 2023 · 40 followers View post →
dishant vardhan
@DishantVardhan · X

@chiragbarjatyaa https://t.co/bzU99NEY3O https://t.co/Q9LA246Vyd(P,compared%20with%20the%20meat%20diet. https://t.co/rD8ypYILvO https://t.co/oLtjtNqkdz https://t.co/lWN6cAmoMT. https://t.co/kxaJ8wws9i https://t.co/5uM8SufTln https://t.co/WfedoqzQe5

Mar 15, 2023 · 11 followers View post →
Matthew Hill
@dbsrov · X

RT @mallorcaisbest: @TruthorConseq12 Why is Gates mainly farming soybeans? Guess what - consumption of soy products decreases testosteron i…

Mar 10, 2023 · 1 share · 54 followers View post →
Giordano_Bruno
@mallorcaisbest · X

@TruthorConseq12 Why is Gates mainly farming soybeans? Guess what - consumption of soy products decreases testosteron in male beings up to 20% which of course has a drastic impact on reproductions capacities. - there are thousands of articles https://t.co/XDKegGzlWZ

Mar 10, 2023 · 1 like · 1 share · 1,108 followers View post →
Master Yoda
@YodaItWasNot · X

@Tedpinson @JackLombardi @tmsilverman Not a myth. It's just big business for the NIH to change their mind on it https://t.co/6Rko28SNUa

Jan 29, 2023 · 2 likes · 58 followers View post →
Teacher and Adjunct Professor
@TurnedLawyer · X

RT @ThucydideZ: @AmiMettaLove @TurnedLawyer @LegendaryEnergy Funny enough in this study on soy protein powder there was a 19% reduction in…

Nov 26, 2022 · 1 share · 1,648 followers View post →
ThucydideZ
@ThucydideZ · X

@AmiMettaLove @TurnedLawyer @LegendaryEnergy Funny enough in this study on soy protein powder there was a 19% reduction in testosterone. https://t.co/AiRLmslrje

Nov 26, 2022 · 3 likes · 1 share · 19 followers View post →
youcouldhaveavoidedthis
@youcouldhaveav1 · X

@rosterbatorium @Hud_Rockchester @nypost https://t.co/iOGSNh2Q9t Good start. Important to note if someone has prostate issues, soy protein can be beneficial

Nov 15, 2022 · 6 likes · 20 followers View post →
Healthlete
@DavidDauba · X

@Nate_D_Stone Not sure about the fruit smoothies (unless you mean overconsumption of them leading to high sugar intakes). Would add: -Protein bars (lots of sugar/sweeteners) -Soy proteins can decrease men T levels (https://t.co/zqG5dDlwEJ)

Oct 5, 2022 · 412 followers View post →
DiMarco
@DMarco5555 · X

@terkriti @EEdithje @chrisenfran Dat het kankers veroorzaakt weet ik niet, er lijken wel sterke verbanden te zijn tussen soja consumptie en hormoon verstoring. https://t.co/QoHOtHpWHj

Aug 7, 2022 · 1 like · 111 followers View post →
ann
@annietime · X

RT @Djindji4:

Jul 16, 2022 · 2 shares · 649 followers View post →
bianca___acnaib
@bianca___acnaib · X

RT @Djindji4:

Jul 16, 2022 · 2 shares · 1,230 followers View post →
Djindji
@Djindji4 · X

Jul 16, 2022 · 2 likes · 2 shares · 2,002 followers View post →
Djindji
@Djindji4 · X

@MichielT37 Geen probleem toch???

Jul 16, 2022 · 3 likes · 2,002 followers View post →
Djindji
@Djindji4 · X

@MichielT37 Hier ook nog een leuke voor je.... Clinical and biological activity of soy protein powder supplementation in healthy male volunteers https://t.co/3jgTSaE2rN

Jul 16, 2022 · 3 likes · 2,002 followers View post →
#PositiveTribe
@positivetribenl · X

@LovedTooEasily Verstand is al aangetast, mannelijkheid binnenkort ook. Mocht er nog iets van aanwezig zijn…. Welke idioot slacht een koe voor melk? https://t.co/UXgyBBRuiu

Jul 16, 2022 · 17 likes · 22,857 followers View post →
American Patriot Coalition - Ohio
@Ohio_APC · X

@neko_hartia @Asha56367774 @ForceTen6 @jordanbpeterson https://t.co/meEp9ublAu

Jun 24, 2022 · 18 followers View post →
AJ
@csgoenjoyer1337 · X

@JeoReallyB @FinancierLord @warobusiness @gainzxbt https://t.co/uidnlLldR0 There’s a lot of studies with conflicting conclusions on soy’s effect on male hormones. Might as well not take chances till conclusive data is available. Most likely there is a non trivial impact on t/dht since soy reduces prostate cancer risk as well.

Jun 24, 2022 · 3 likes · 60 followers View post →
JohnsonAndToxin
@JandTContent · X

RT @JandTContent: @iamlisakirk Soy. Known for at least 20 years. https://t.co/XpEjsjtMWt

Apr 4, 2022 · 1 share · 1,022 followers View post →
JohnsonAndToxin
@JandTContent · X

@iamlisakirk Soy. Known for at least 20 years. https://t.co/XpEjsjtMWt

Apr 3, 2022 · 1 like · 1 share · 1,022 followers View post →
Sean Sakinofsky ®
@Sean_Sako · X

@ussoy https://t.co/3Qc4oswtFv

Dec 15, 2021 · 3,061 followers View post →
Sean Sakinofsky ®
@Sean_Sako · X

@ussoy https://t.co/3Qc4oswtFv

Dec 15, 2021 · 3,061 followers View post →
David Colwell
@meatlophanizzle · X

@Ryback https://t.co/XTj6ubX9e1 https://t.co/bkFxH9dx3I

Dec 11, 2021 · 47 followers View post →
thatsalogicalfallacy
@bearsrfuxt · X

@BJeffreySherman @Rickstar72 @AndySwan Soy, probably this one article out of many on the subject. https://t.co/6sbXhRjKlx

Oct 9, 2021 · 3 likes · 148 followers View post →
Burak YILDIZ
@putasmileplease · X

@solstafiir Soya'nın babalığa duyarlılığı olmadığı için zam bile yapılmış olabilir sjfskfjs. https://t.co/1VelZcdlD9

Jun 20, 2021 · 267 followers View post →