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What Supplements Do I Take?

Updated April 2013 Every month or so, someone reads my recommendations for vegans, checks out some vegan multivitamins, and then writes me asking about the high levels (many times the RDA) of some...

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VeganHealth.org Update: Zinc

Just added two tables to the VeganHealth.org page on zinc. Table 1 lists the DRIs and Table 2 lists plant foods high in zinc. Link.

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Meta-Analysis of Zinc Status in Vegetarians

A few weeks ago, a meta-analysis of the zinc status of vegetarians was published (1). They only measured relative values of serum zinc and found that vegans had a slightly lower serum zinc level than...

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Cadmium Levels in Vegans, Zinc Supplements and Alzheimer’s Disease

Wow – my last real post was on June 27th. But I have not fallen off the face of the earth – rather, it was right around that time that a reader brought my attention to a disconcerting study from 2006...

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Zinc Supplements and Cadmium Contamination

After posting the article Cadmium Levels in Vegans, Zinc Supplements and Alzheimer’s Disease, Ginny Messina let me know that there is a concern about cadmium contamination of zinc supplements. I...

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Zinc Supplements and the Common Cold

In June of 2013, the Cochrane Collaboration updated their meta-analysis of double-blinded, placebo-controlled randomized controlled trials testing whether zinc is useful in treating or preventing the...

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Zinc Supplements: Which are Absorbed Best?

Summary Zinc citrate and zinc gluconate are absorbed well by apparently healthy people. Some apparently healthy people cannot absorb zinc oxide. A 2014 study from Switzerland compared the absorption...

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EPIC-Oxford: Kidney Stone Risk for Vegetarians not Increased

Summary A report from EPIC-Oxford did not find a higher risk of kidney stones among vegetarians (which included vegans). Because many vegetarians and vegans eat a high-oxalate diet, I have been...

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