La sicurezza dell'eme contro il ferro non eme

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Pubblicato inAfrican Americans , anemia , animal products , cancer , cardiovascular disease , cardiovascular health , cholesterol , cruciferous vegetables , diabetes , dr greger , dr gregor , dr michael greger , farm animals , fiber , grains , heart disease , heart health , heme , heme iron , heme vs non heme iron , how not to die , iron , lung cancer , magnesium , meat , metabolic syndrome , Mexican Americans , michael greger , mortality , nutrition facts , nutritionfacts.org , plant-based diets , safety , the , vitamin A , vitamin C , vitamin E

Il ferro eme, il tipo che si trova prevalentemente nel sangue e nei muscoli, viene assorbito meglio del ferro non eme che predomina nelle piante, ma può aumentare il rischio di cancro, ictus, malattie cardiache e sindrome metabolica.

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I in precedenza ho toccato la spada di ferro a doppio taglio in Risk Associated With Iron Supplements ( http://nutritionfacts.org/video/risk-associated-with-iron-supplements/) e Phytates per la prevenzione del cancro (http://nutritionfacts.org/video/phytates-for-the-prevention-of- cancro/). Potrebbe anche aiutare a spiegare perché le malattie cardiache erano rare nel Mediterraneo? (http://nutritionfacts.org/video/why-was-heart-disease-rare-in-the-mediterranean/)

Coloro che mangiano diete a base vegetale ottengono più della maggior parte dei nutrienti poiché i cibi vegetali interi sono così densi di nutrienti. Vedere Approccio nutriente-denso alla gestione del peso (http://nutritionfacts.org/video/nutrient-dense-approach-to-weight-management/).

Hai una domanda per il Dr. Greger su questo video? Lascialo nella sezione commenti su http://nutritionfacts.org/video/the-safety-of-heme-vs-non-heme-iron e proverà a rispondere!

Credito immagine: JD Hancock tramite Flickr e Adobe

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62 Risposte a “La sicurezza dell'eme contro il ferro non eme”

  3. Make sure there is vitamin C present when you take iron tablets (if you have to supplement). Vit C helps the absorbtion of iron and also helps to eliminate the excess if you had too much iron.

  4. My grandmother had a stroke and the doctor told her not to eat salt. Meat was never mentioned to her and that surprised me.

  6. I went thru a difficult time in my life when I was donating my blood plasma regularly just to get by (most places pay you $20 for your donation) and I was turned down half the time though because of my iron being too low (they always get a blood sample before you can give). The only way I could get clearance to donate was if I ate some red meat before I went in. But it was a roller coaster effect. I never had STEADY iron levels. But when I went completely plant based I never had another problem with my iron again. Seriously, I've never had a bad iron levels on a blood test since being on a WFPB lifestyle.
    YAY PLANT IRON!!!!!!! 👏🎈🎉🎊

  9. Anaemia is relatively rare but even in non-anemics low ferritin is extremely common especially in pre menopausal women.   The signs of low ferritin are as bad as anaemia.  I have not been able to maintain good ferritin levels greater than 50 with non-heme iron based foods. A lot of the high iron non-heme foods also contain a lot of oxalates and purines which inhibit iron absorption.  I am not convinced by this study and cancer and heart attack risk…how do you separate the iron from the fact meat has more saturated fat and perhaps more hormones and other factors that could be cancer/heart attack causing?   In the study did they just extract the heme iron or were they eating the whole meat product? Also there are definitely cardiac risks to having low ferritin and/or anaemic so low iron is a risk factor too.

  11. If you're eating greens and beans, you should get enough iron. Supplementing with iron pills or with meat can be dangerous due to iron overload, which literally causes your organs to rust.

  13. How well did they control for other elements of red meat. A Heme iron Multi vitamin supplementation would prob be the best way to control for this supposed to any "adjusted" values.

  18. One other problem with the 'Blood-based crisp bread' is that it contains rye as one of the ingredients, for someone who suffers from a brain disorder, you should avoid this product as rye, like wheat and barley, contain gluten. Gluten can affect the brain in people but more common in folks who do have a brain issue like Parkinson disease sufferers.

  21. Great video!
    Could you please do a video on Maca and its energising properties and also how to take it safely. This would be great to know as an athlete.
    Thank you.

  22. Vegetarians who consume lots of milk/dairy products are indeed at a higher risk for iron deficiency because these foods reduce iron bioavailibility.

  25. First of all, just another reason to avoid all animal products, people!  Secondly, gag me — bread, cookies and other products with animal blood in them?  Yuck!

  27. So annoying! Whenever we get a "spokesperson" nutritionist on TV or the radio in NZ they always go on about the anaemia risk for vegetarians. "Oh you have to be really careful if you're a vegetarian/vegan because you don't get enough animal heme iron so you've got a good chance of being anaemic". They always then go on to say its because heme iron from meat is twice as easily absorbed. 
    One has to wonder how a "respected go to" nutritionist can be so uneducated with these widely held but completely wrong and outdated beliefs about the superiority of heme based animal iron! Nice to see some good research in the topic 🙂

  28. Ok great. I get it. So what would you recommend for someone who has had very, very low iron for at least 2 years? My ferritin is 5. What whole foods protocol would you recommend to elevate this more quickly? And what can I do to increase absorption of nonheme iron?

    Thank you. I am totally open to a whole food solution but have not seen a single protocol for what to do in my situation. Your expertise is welcomed.

  29. BAD ASS video! I just referenced it to a commenter on my video and always can count on the reliable Dr. Greger! I recall in nutrition courses back in 2000-2004, professors talked about heme-iron being good and how plant-foods don't have them, thus justifying meat intake. What a crock of **. Luckily I've been vegan for 3-years straight now and if anything, my stamina is much much better than before.

  31. Just had a brief lesson on vegetarianism/veganism in Food and Nutrition class and the fact that my teacher is sharing information communicating the supposed superiority of the heme iron found in animal products versus the nonheme iron in plant foods is killing me. I decided to check this video out after the lesson and, unsurprisingly, plant-based foods are clearly proven to be the better option. How could I politely present this information to my teacher? I really don't want to offend her. 😣 She also brought up the issue for calcium deficiency in vegans and, additionally, stressing how extremely difficult it is to manage one's health eating this way due to the lack of animal products. 😓 Help anyone?

  36. Is there a study comparing the effects of plant heme (like that found in the roots of the giant fennel) with animal heme?

  37. Unless you have a health problem where despite your iron levels being up (from plant based iron) but still have issues because your hemoglobin is down, then the "Heme Iron" is going to be of benefit. The world we live in is so unbalanced and scientific research is often published by those who are financially motivated to release the type of data being featured. There comes a point when we all have to start reading between the lines and quit just accepting everything we read that is "SUPPOSED" to be supported by scientific data using complex wording couple with vague things like "it is believed by some experts" or "the data SEEMS to suggest" and then they say whatever they want. Ultimately it is up to the individual to become their own advocate and educate themselves so that they don't become a dupe to the latest scheme, even by mainstream media and health organizations who are themselves victims of those with the most to invest. Something to watch out for is a source that rattles off so many statistics that they overwhelm individuals who are trying to do research in a complex way that makes the consumer say; "I think that makes sense, they are the experts so I will just do what they say?" If we don't really understand it, should we just trust implicitly those who are making truck loads of money off our consumerism? How many of us trust Car Salesmen?

    There's lots of information that points to heme Iron as being more readily absorbed as opposed to ferrous or elemental iron. Not that that elemental iron is bad, but to say Heme iron will give you heart disease like margarine or others severely bad fats will should give us pause and have us question what the motive of the source really is. But again moderation, not having more than we need is important, everything that's good for us has therapeutic levels (or levels that we benefit from) so figuring out what those are for our personal health issues is crucial. Balance in all things and realizing what works for us may not be good for someone else is also important to remember.

  39. I did I get out of this video that
    1. You can get enough iron from plant based diets
    2. Even though heme iron is absorbed faster this isn't better because there is no need to absorb iron faster
    3. Iron from meat is a risk for diseases such as cancer and diabetes
    But I have one question left: Doesn't the human body need heme iron or is It capable of producing It itself?

  41. Half of the non heme foods just listed which provide the most protein for non meat diets carry dangerous amounts of lectin… Which causes heart disease.

  42. I'm plant based and I appreciate what Dr. Gregger's content, but damn is he biased when it comes to covering risks of plant based diets. I just checked his channel and in this video specifically, there is no mention of non heme iron being more difficult to absorb. But he does have videos bashing heme iron and iron supplements. I think you shouldn't rely on this guy for all your information. Check some more moderate sources out as well.

    edit: I checked his website (https://nutritionfacts.org/topics/iron/). He does mention it, but never the less it is pretty hidden compared to the heme iron bashing.

  43. Dietary iron intake and body iron stores are associated with risk of coronary heart disease in a meta-analysis of prospective cohort studies. ncbi.nlm.nih.gov/pubmed/24401818
    Is heme iron intake associated with risk of coronary heart disease? A meta-analysis of prospective studies. ncbi.nlm.nih.gov/pubmed/23708150
    Heme iron intake and risk of stroke: a prospective study of men. ncbi.nlm.nih.gov/pubmed/23306319
    Dietary iron intake, body iron stores, and the risk of type 2 diabetes: a systematic review and meta-analysis. ncbi.nlm.nih.gov/pubmed/23046549
    Iron and cancer risk–a systematic review and meta-analysis of the epidemiological evidence. ncbi.nlm.nih.gov/pubmed/24243555
    Heme-related gene expression signatures of meat intakes in lung cancer tissues. ncbi.nlm.nih.gov/pubmed/23681825

  44. I am on heme iron supplements after being low iron to anemic over the past 2.5 years. I just started this week after months of being fairly non responsive to non-heme iron. I know I have potential reasons to low iron status other than dietary intake. Although, I am not sure I can test or treat these parameters with my gp. I have been given 1 diagnosis although I still have yet to be given hormonal medication or reccommendations to lower that form of iron loss. Do you have any advice for women suffering from low iron status. No matter what healthy dietary pattern they may already hold?

  45. Is it common for a vegan to have normal to high iron but low ferritin from a blood test? What can be done to increase ferritin levels without increasing iron to dangerous levels? I have found it hard to find good literature on this issue. I have read that Vitamin C supplements with meals will help.

  47. Isn't it difficult to separate the effects from Heme-iron intake from meat intake altogether? I mean all these effects might be coming from other components in meat other than iron.

  51. Dr G .. words cannot express how thank full we are for allll your incredible work and research you have done .. totally appreciate you … one in a billion …

  52. The study you refer to is about 'associations' only and does not prove causation. Hem-iron is abundant in shell fish where this 'association' with diet shows a positive correlation against arteriosclerosis and cancers. Therefore your study proves nothing about hem-iron being beneficial or not being beneficial whatsoever! Using these study results as evidence that every additional % of hem-iron increases the risk of arteriosclerosis and certain cancers is irresponsible and dishonest. As a case in point I could make the claim that when non-fireman householders put out fires there's little fire damage at the scene but for every additional fireman that attends a fire scene there is a direct percentage increase in fire damage and so therefore it's better for non-professionals to put out fires than to call firemen! It would be ridiculous to interpret the results in this way but the evidence appears to support it when we don't take into account that when firemen are called to the scene it's usually because the fire has taken hold and is more serious! As a percentage people who are vegetarian and vegan are far more likely to eat a healthier balanced diet and so when comparing them to the general population as a whole who are omnivore meat eaters we get an erroneous correlation to hem-iron being responsible for arteriosclerosis and certain cancers when in fact more serious health problems are likely to have taken hold from many different causes in such a population and not because of their consumption of hem-iron!🙏

  55. I just had a physical and bloodwork being a no excuse vegan while doing an experiment for school consuming 900% RDA of sugar. All my.numbers were perfect, except my iron. My doctor thought I was at risk of low iron, and it was slightly elevated.

  59. Hai meru healthy ga diet maintain chestu weight loss or weight gain and thyroid pcod gastric diabetes normal chesukovachu.My result 4 months lo 25kgs healthy fat loss.more details contact me or what's up msg me my number in DP ( profile pic) chudandi

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