A question on urinary lactate, pyruvate, and Krebs Cycle metabolites | Masterjohn Q&A Files #229 episode artwork

EPISODE · Jul 7, 2021 · 11 MIN

A question on urinary lactate, pyruvate, and Krebs Cycle metabolites | Masterjohn Q&A Files #229

from Mastering Nutrition

Please consider supporting my work by making a purchase using these links at one of my affiliates: https://chrismasterjohnphd.com/foursigmatic, https://chrismasterjohnphd.com/paleovalley, https://chrismasterjohnphd.com/seekinghealth, https://chrismasterjohnphd.com/ancestralsupplements, https://chrismasterjohnphd.com/magicspoon, https://chrismasterjohnphd.com/lmnt  Plenty more at https://chrismasterjohnphd.com/support! Question: A question on urinary lactate, pyruvate, and Krebs Cycle metabolites When the NAD+ sensitive steps of the citric acid cycle are being inhibited,  that could be hypoxia, it could be high-intensity exercise, it could be taking metformin or berberine, it could be having a complex 1 disorder, and of course, I would sort of measure this against symptoms. So if you feel great, I wouldn't overinterpret this. But if you have something that feels like messed up energy metabolism, then I think it's best correlated with a deficiency in the respiratory chain, whether that's driven by oxygen, by increased demand, through high-intensity exercise, through taking complex 1 inhibitors like metformin or berberine, or through having a genetic complex 1 disorder. Thiamine is possible but if it's thiamine deficiency, then you should also see elevations in alanine as well. So I would get a plasma amino acids test, and then you could also look at the thiamine level in the blood and you could look at... HDRI has an erythrocyte transketolase activity test, and it's listed as ETKA on their requisition form. If you would like to be part of the next live Ask Me Anything About Nutrition, sign up for the CMJ Masterpass, which includes access to these live Zoom sessions, premium features on all my content, and hundreds of dollars of exclusive discounts. You can sign up with a 10% lifetime discount here: https://chrismasterjohnphd.com/q&a 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. Access the show notes, transcript, and comments here. Chris Masterjohn, PhD, is the Founder and Scientific Director of the mitochondria test Mitome. 

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A question on urinary lactate, pyruvate, and Krebs Cycle metabolites | Masterjohn Q&A Files #229

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