October 2014 PMID 23708150

Is heme iron intake associated with risk of coronary heart disease? A meta-analysis of prospective studies.

Wei Yang, Bin Li, Xiao Dong, Xiao-Qiang Zhang, Yuan Zeng, Jian-Liang Zhou, Yan-Hua Tang, Jian-Jun Xu

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Mentions

30
Peak: 4 in Jul 2020
across 5 sources since Apr 2019

Extended reach

35,336
potential audience

Total likes

206

Video views

9,932

Mentions per month

Apr 2019 – Apr 2025

Where it's discussed

  • X / Twitter17 posts
  • YouTube4 videos
  • Facebook4 posts
  • News3 articles
  • Blogs2 articles

AI synopsis

What people are saying

The comments mostly agree that higher heme iron intake is linked to increased heart disease risk, with posters using words like 'interesting' and referencing specific study data to support their points. The tone and content reflect a moderate engagement level, highlighting concerns about diet choices and health implications, which contribute to a measurable but not profound impact on public awareness.

AgreementModerate agreement

Most posts acknowledge the link between heme iron intake and increased risk of coronary heart disease, often referencing specific percentages and studies, indicating general alignment with the research findings.

InterestModerate interest

Discussions show a moderate level of interest, with posters debating the health implications and sharing additional information, but not deeply exploring the topic's wider context.

EngagementModerate engagement

Posts include mentions of comparisons between diet types, potential health outcomes, and referencing research sources, demonstrating active participation without extensive analysis.

ImpactModerate impact

The discussion influences awareness of the health risks associated with heme iron and meat consumption, but overall impact remains moderate as it primarily serves to inform and debate rather than lead to immediate policy or behavior changes.

Abstract in brief

  • This meta-analysis examined whether heme iron intake is linked to coronary heart disease (CHD) risk by reviewing six prospective studies involving over 130,000 participants, finding that higher heme iron intake was associated with a 31% increased risk of CHD.
  • The study found that the risk increase was more pronounced in Western populations and that every 1 mg/day increase in heme iron intake raised CHD risk by about 27%, indicating a dose-response relationship.
  • Overall, the findings suggest that consuming more heme iron, which may promote oxidative processes contributing to atherosclerosis, is associated with a higher likelihood of developing coronary heart disease.

Top posts

Most liked on X and Bluesky
2 sad
@quelokera_ · X

@IMIGUS1 Con el consumo de 1 mg al día de solo hierro hemo se aumenta el riesgo de enfermedad coronaria se eleva un 27%. Una hamburguesa tiene entre 2-3 mg por porción. Eur J Nutr (2014) 53:395–400. DOI 10.1007/s00394-013-0535-5 #debateimigus

Jul 20, 2020 · 5 likes · 87 followers View post →
⅃ɵ෴eL
@joel27799310 · X

*También podría aumentar el riesgo de enfermedad cardiovascular https://t.co/HZImonI5G9 y de diabetes tipo2 https://t.co/uXMHuGZyJ2

Nov 30, 2020 · 4 likes · 1,090 followers View post →
Defender
@Grahanimal · X

@mancboy1 @NothingIsArt That's weird because it mentioned iron, not that it's heme iron though. "Combined results indicated that participants with higher heme iron intake had a 31% increased risk of CHD, compared with those with lower intake" https://t.co/ylfcz86o2s

Apr 13, 2025 · 2 likes · 14,408 followers View post →
Annie Leymarie
@AnnieLeymarie · X

@Alan_Watson_ @TyRBeal A few more studies showing various negative health outcomes associated with heme iron intake: https://t.co/EOOZHAdJfc https://t.co/c3Gtq4skUG https://t.co/lmx8wq9JkU https://t.co/P4X80AL1SH https://t.co/KeZemhBabC https://t.co/Jt0mU39cgQ https://t.co/3a6bSp4dtK

Oct 11, 2021 · 2 likes · 2,007 followers View post →
Kostas
@Rantanplaner6 · X

Αυτα. :) https://t.co/rYYcZwfNyN #vegan https://t.co/nhxV32Q4Pm https://t.co/sN2GXCFeEH

Apr 20, 2025 · 2 likes · 1,629 followers View post →
Stephen Everson
@s_everson · X

@TyRBeal @JoannaBlythman So their mistake is to give up beef for chicken rather than to eat a healthy plant-based, which would have the added advantage of giving them all the iron they need without the risks that come from too much heme iron. https://t.co/WjPHmvlOJw

Aug 9, 2021 · 932 followers View post →

All mentions

Kostas
@Rantanplaner6 · X

Αυτα. :) https://t.co/rYYcZwfNyN #vegan https://t.co/nhxV32Q4Pm https://t.co/sN2GXCFeEH

Apr 20, 2025 · 2 likes · 1,629 followers View post →
Defender
@Grahanimal · X

@mancboy1 @NothingIsArt That's weird because it mentioned iron, not that it's heme iron though. "Combined results indicated that participants with higher heme iron intake had a 31% increased risk of CHD, compared with those with lower intake" https://t.co/ylfcz86o2s

Apr 13, 2025 · 2 likes · 14,408 followers View post →
i
@DyslexicQuiche · X

@RyScraps @lifeveganized I don’t think they’re weak at all; it’s mainly non-hem iron that causes it. https://t.co/dyBbOX5Z2F

Nov 15, 2024 · 79 followers View post →
Stephen Everson
@s_everson · X

@TRyanGregory No. But eating a non-vegan diet with its intake of heme-iron does help to explain why meat eaters after at increased risk of heart disease. https://t.co/WjPHmvlOJw

Jul 6, 2023 · 932 followers View post →
Earthling
@_earthling74 · X

@ScepticalDoctor Not best studies ever but interesting. Thoughts Anna? https://t.co/CUeQc5qBuL https://t.co/EQWxBc5ece https://t.co/8GUw6vsG57 https://t.co/SwEEo6WsD0

May 31, 2023 · 429 followers View post →
Annie Leymarie
@AnnieLeymarie · X

@Alan_Watson_ @TyRBeal A few more studies showing various negative health outcomes associated with heme iron intake: https://t.co/EOOZHAdJfc https://t.co/c3Gtq4skUG https://t.co/lmx8wq9JkU https://t.co/P4X80AL1SH https://t.co/KeZemhBabC https://t.co/Jt0mU39cgQ https://t.co/3a6bSp4dtK

Oct 11, 2021 · 2 likes · 2,007 followers View post →
Stephen Everson
@s_everson · X

@TyRBeal @JoannaBlythman So their mistake is to give up beef for chicken rather than to eat a healthy plant-based, which would have the added advantage of giving them all the iron they need without the risks that come from too much heme iron. https://t.co/WjPHmvlOJw

Aug 9, 2021 · 932 followers View post →
DAKING692
@DAKING692 · X

@DanielBayley80 @OatlyUK have fun saying that further down the line when you’re dealing with heart disease and a higher risk all cause mortality :) srcs: https://t.co/Bm210izyOe https://t.co/dhtRlgcjg3

Jan 20, 2021 · 4 followers View post →
⅃ɵ෴eL
@joel27799310 · X

*También podría aumentar el riesgo de enfermedad cardiovascular https://t.co/HZImonI5G9 y de diabetes tipo2 https://t.co/uXMHuGZyJ2

Nov 30, 2020 · 4 likes · 1,090 followers View post →
2 sad
@quelokera_ · X

@IMIGUS1 Con el consumo de 1 mg al día de solo hierro hemo se aumenta el riesgo de enfermedad coronaria se eleva un 27%. Una hamburguesa tiene entre 2-3 mg por porción. Eur J Nutr (2014) 53:395–400. DOI 10.1007/s00394-013-0535-5 #debateimigus

Jul 20, 2020 · 5 likes · 87 followers View post →
Dante
@dwjtl · X

@veganafamenta Y no es solo cáncer. Tenés documentación que asocia el hierro hemo con las enfermedades coronarias. https://t.co/4KYqKy6f60

Jul 5, 2020 · 608 followers View post →
Dante
@dwjtl · X

@jolg4 @LudwigJoz @bbcmundo Si fuera absolutamente cierto que la carne produce cáncer, los países las prohibirían (o al menos pondrían un impuesto alto). Por ahora solo hay mucha evidencia convincente. Hago énfasis en mucha. https://t.co/4KYqKy6f60

Jul 4, 2020 · 608 followers View post →
Dante
@dwjtl · X

@NBetancz @caracovil @Faran341 @JamesBautistaS @bbcmundo https://t.co/4KYqKy6f60

Jul 4, 2020 · 608 followers View post →
Dante
@dwjtl · X

@astronomygamer1 @EvaNBobb72 @brenda_nahs No me acuerdo bien las cantidades ahora, pero un mayor consumo de hierro hemo (solo en la carne) te da un 30% más de chance de contraer una enfermedad coronaria. https://t.co/4KYqKy6f60

Jun 25, 2020 · 608 followers View post →
Dante
@dwjtl · X

@Philodices @NutritionMadeS3 Or coronary heart disease. https://t.co/4KYqKy6f60 https://t.co/s0TvLsA0zo

Jun 24, 2020 · 608 followers View post →
Dante
@dwjtl · X

@HilosdeQueen @nandilop ¿O sea que tener un cáncer te parece un precio razonable a pagar por comer carne? También incrementa las chances de diabetes tipo 2 e hipertensión. ¿Agregamos las enfermedades coronarias? https://t.co/4KYqKy6f60

Jun 6, 2020 · 608 followers View post →
Lynette Brooks Homer
@lynettebrooks · X

@cronometer Disappointing, Cronometer peddling misleading information. Absorption of plant based (non-heme) iron aided by Vit C, storage of animal source (heme) iron associated with increased risk of coronary heart disease https://t.co/c8q5rLtPab & insulin resistance https://t.co/FuVjJ5ddJM

May 27, 2020 · 160 followers View post →