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Vegetarian Zinc Requirements

Vegetarians may be at risk for zinc deficiency.

January 14, 2011 |
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Supplementary Info

Sources Cited

Chavarro JE, Toth TL, Sadio SM, Hauser R. Soy food and isoflavone intake in relation to semen quality parameters among men from an infertility clinic. Hum Reprod. 2008 Nov;23(11):2584-90. Epub 2008 Jul 23.

de Bortoli MC, Cozzolino SM. Zinc and selenium nutritional status in vegetarians. Biol Trace Elem Res. 2009 Mar;127(3):228-33. Epub 2008 Oct 25.

Acknowledgements

Image thanks to Vidya Crawley.

Transcript

And before we leave the topic, just as the iron requirements in many women are higher than men because some iron is lost every month in the menstrual flow, the zinc requirements in men are higher than women because some zinc is lost in semen. Because the zinc in plant foods isn’t absorbed as well as the zinc in flesh foods, a study published earlier this year found relatively low blood zinc levels in vegetarians, so anyone eating plant-based diets—men or women—should make sure they eat whole grains, beans, and nuts every day, but some men might just require more than others. 

To see any graphs, charts, graphics, images, and quotes to which Dr. Greger may be referring watch the above video. This is just an approximation of the audio contributed by veganmontreal.

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Dr. Michael Greger

Doctor's Note

Please feel free to post any ask-the-doctor type questions here in the comments section and I’d be happy to try to answer them. And check out theother videos on zinc and vegetarians. Also, there are 1,449 other subjectscovered in the rest of my videos--please feel free to explore them as well!

  • http://nutritionfacts.org/members/mgreger/ Michael Greger M.D.

    Please feel free to post any ask-the-doctor type questions here in the comments section and I’d be happy to try to answer them. And check out the other videos on zinc and vegetarians. Also, there are 1,449 other subjects covered in the rest of my videos–please feel free to explore them as well!

  • http://nutritionfacts.org/members/squidey/ squidey

    What do you think about the ratio of zinc/copper in the diet? Iv read the ideal is 8/1 but that seems pretty much impossible on a plant based diet, thoughts?

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