Vitamin B12 deficiency is common among those eating vegetarian and particularly vegan diets because of failure to take B12 supplements or eat B12-fortifed foods.
Vegan Epidemic
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Below is an approximation of this video’s audio content. To see any graphs, charts, graphics, images, and quotes to which Dr. Greger may be referring, watch the above video.
How common is vitamin B12 deficiency among vegans? Last year, a study was published in which B12 levels were measured in the blood of hundreds of British vegans. What percentage do you think were deficient? Less than a quarter? Almost a half? More than a half? Or, were more than three-quarters of vegans testing vitamin B12 deficient?
Now I’m not talking below average B12, or suboptimal B12 levels, or even what’s clinically called B12 depletion, where your levels place you at high risk for deficiency—but actual bonafide vitamin deficiency, meaning that your levels are so low your biochemistry is screwed up. Your body just isn’t working the way it should.
And the answer is: more than 50%. Meaning, you run into a vegan on the street (or at least on a street in London), odds are they are suffering—whether they know it or not—from vitamin B12 deficiency.
52% deficient; 21% depleted. What about ovo-lacto vegetarians? 7% [deficient] and 17% [depleted]. One thing I hear from whiny vegans is that B12 deficiency isn’t exclusive to vegetarians. Meat-eaters can get it too. They’re right: 0.4%.
There’s still enough in the general population for public health professionals to debate whether or not we should just mandate adding B12 to the grain supply. Until then, though, what could explain this epidemic of vegan B12 deficiency? Easy—only a small fraction of British vegans were taking vitamin B12 supplements. Well, no wonder then! Hopefully, vegans elsewhere are smarter. Everyone eating a plant-based diet must ensure a regular reliable source of vitamin B12.
Please consider volunteering to help out on the site.
Images thanks to psdgraphics.com
Below is an approximation of this video’s audio content. To see any graphs, charts, graphics, images, and quotes to which Dr. Greger may be referring, watch the above video.
How common is vitamin B12 deficiency among vegans? Last year, a study was published in which B12 levels were measured in the blood of hundreds of British vegans. What percentage do you think were deficient? Less than a quarter? Almost a half? More than a half? Or, were more than three-quarters of vegans testing vitamin B12 deficient?
Now I’m not talking below average B12, or suboptimal B12 levels, or even what’s clinically called B12 depletion, where your levels place you at high risk for deficiency—but actual bonafide vitamin deficiency, meaning that your levels are so low your biochemistry is screwed up. Your body just isn’t working the way it should.
And the answer is: more than 50%. Meaning, you run into a vegan on the street (or at least on a street in London), odds are they are suffering—whether they know it or not—from vitamin B12 deficiency.
52% deficient; 21% depleted. What about ovo-lacto vegetarians? 7% [deficient] and 17% [depleted]. One thing I hear from whiny vegans is that B12 deficiency isn’t exclusive to vegetarians. Meat-eaters can get it too. They’re right: 0.4%.
There’s still enough in the general population for public health professionals to debate whether or not we should just mandate adding B12 to the grain supply. Until then, though, what could explain this epidemic of vegan B12 deficiency? Easy—only a small fraction of British vegans were taking vitamin B12 supplements. Well, no wonder then! Hopefully, vegans elsewhere are smarter. Everyone eating a plant-based diet must ensure a regular reliable source of vitamin B12.
Please consider volunteering to help out on the site.
Images thanks to psdgraphics.com
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Título
Vegan Epidemic
LicenciaCreative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
URLNota del Doctor
Want more on B12? Check out these videos:
Vitamin B12 Necessary for Arterial Health
Daily Source of Vitamin B12
Safest Source of B12
New Vitamin B12 Test
For some context, also check out my associated blog posts: Vitamin B12: how much, how often? and Vegan B12 Deficiency: Putting It into Perspective.
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