171: Does high B12 mean it’s not getting into the cell?

Masterjohn Q&A Files Episode 171

Introduction

Question: Does high B12 mean it’s not getting into the cell?

The right way to address that would be to measure serum or urine or both methylmalonic acid MMA, and that's a functional marker that's very specific to B12. If B12 was not getting into the cell, then methylmalonic acid is going to be high.

This Q&A can also be found as part of a much longer episode, here:

080: Ask Me Anything About Nutrition, December 2, 2020

From now through March, I will be working full-time on finishing my Vitamins and Minerals 101 book, while reserving a portion of my time for consulting clients. You can pre-order my book at https://chrismasterjohnphd.com/book. You can sign up for a consultation at https://chrismasterjohnphd.com/consultations.

DISCLAIMER: I have a PhD in Nutritional Sciences and my expertise is in performing and evaluating nutritional research. I am not a medical doctor and nothing herein is medical advice.

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