300: Why do my urinary B6 markers say I'm deficient if I'm supplementing and my plasma levels are high-normal?

Masterjohn Q&A Files Episode 300

1
2

Short answer: Low or low-normal alkaline phosphatase may raise the plasma B6 level over the cellular level. Tryptophan metabolites in urine reflect the B6 requirement for the kynurenine pathway, and this requirement increases with more estrogen, more inflammation, or a higher protein intake.

This episode was cut from the original Q&A session that you can find here.

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.

Listen to the Audio

I highly recommend watching the video above but you can also listen to the audio here:

Read the Transcript or Leave a Comment

Masterpass members have access to the transcript below.

Masterpass members can also read and leave comments below. Non-members can read and leave comments on the general podcast page.

Learn more about the Masterpass here.

This video is for paid subscribers