Phytoestrogens (soy) and hypothyroid – a new RCT

As you may recall, there is some concern that phytoestrogens – such as the daidzein and genestein found in soy – interfere with thyroid function. Specifically, some evidence (mostly in vitro) suggests that phytoestrogens may inhibit thyroid peroxidase (TPO), the enzyme found on/near the interface of the thyroid cell and the colloid matrix inside the […]

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Thoughts on the vitamin D craze

I suppose the word “craze” sums up my feelings nicely. To elaborate, though, I have some concerns about widespread recommendations that many or most people should consider taking large doses of supplemental vitamin D over long periods of time. When I’m thinking about supplements my first question usually involves how this nutrient shows up naturally. […]

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Welcome to my new site!

Hello everyone! As you’ve probably noticed, I’ve upgraded to a new and more exciting website. As usual, you can check out the blog for overexcitement about physiological minutia, answers to common client questions, nutrition rants and raves and a nagging feeling that it all fits together somehow. Please poke around, sign up to receive email […]

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