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094: Can PEMT genetics cause fat malabsorption, mineral deficiencies, and oxalate problems?

Masterjohn Q&A Files Episode 94


PEMT polymorphism is a marker of poor synthesis of phosphatidylcholine. That will impair export of fat from the liver. Low phosphatidylcholine synthesis due to PEMT. I was thinking of it as a direct marker. It's not a direct marker, but it could theoretically impact. This is probably especially true if you have a low phosphatidylcholine intake. Probably eating phosphatidylcholine protects against this. But yeah, low phosphatidylcholine levels in the liver partly as an interaction between low activity in the PEMT enzyme and low intake of phosphatidylcholine from food could cause bile acid issues, which could in turn cause fat malabsorption.

If you have fat malabsorption and you have enough digestion of the fat to release the free fatty acids from triglycerides, but you don't have enough absorption of those fatty acids, the fatty acids will bind calcium. They won't bind oxalate, they can't. Binding the calcium will lower the calcium absorption, and it will also prevent the calcium from binding oxalate. Calcium binding oxalate is what prevents oxalate absorption, so yes, I would think that would increase oxalate absorption.

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Harnessing the Power of Nutrients
Recording and Transcript of Ask Me Anything About Nutrition | March 8, 2019
Watch now (159 min) | Below you will find the time stamps for specific questions, the relevant links, the private podcast audio version, and the transcript. The time stamps are available to everyone but everything else is reserved for Masterpass members. Learn more about the Masterpass…
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The Masterjohn Q&A Files
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Chris Masterjohn, PhD