THE PURSER WELLNESS ENCYCLOPEDIA

Let’s explore “G6PC2 and fasting glucose”

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Gene referenceSep 23, 2026

G6PC2

In the reference guide

G6PC2 encodes a glucose-6-phosphatase-related protein expressed in pancreatic islet cells. Common variation is associated with differences in fasting glucose regulation; it is not the insulin receptor.

YouTubeJan 5, 2026

Benefits of Fasting

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Dr. Purser shares the benefits of fasting in everyday life. Have you ever tried a 72-hour fast? The benefits of fasting include reduction of premalignant stem cells and chance of cancer. Learn why cancer cells require glucose and how fasting reduces lipids and inflammation. Dr. Purser also discusses the need for careful monitoring of diabetic patients who choose to fast. Learn about precautions of fasting and the need to intake fluids, electrolytes, vitamins, and medications. Contact us at (801) 796-7667 or info@danpursermd.com for help. Check back often for the newest updates!

YouTubeJul 19, 2026

MTHFR & The Never-Ending Sugar Crash Cycle: Why You’re Always Tired & Craving Sweets

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MTHFR & The Never-Ending Sugar Crash Cycle: Why You’re Always Tired & Craving Sweets If you have an MTHFR variant (C677T or A1298C), you may constantly battle fatigue, sugar cravings, and energy crashes — even when you’re “doing everything right.” In this video, we break down exactly why this happens: How MTHFR/methylation issues impair ATP (energy) production at the cellular level Why your body desperately reaches for quick glucose The vicious cycle of blood sugar spikes → insulin crashes → more cravings & fat storage The downstream effects on antioxidants, DNA repair, and overall energy How to finally break the cycle: Targeted supplementation that fills methylation “holes” (what we learned from 15–20k intracellular tests) Why our MTHFR Daily multivitamin was specifically formulated for this The power of CMA intracellular testing Intermittent fasting (12–16 hrs) Fasted cardio (even just a brisk walk) High-protein, real-food diet with minimal processed sugars If you’re tired of the sugar rollercoaster and want stable energy, this is for you. Links: Read the full Substack article → https://danpursermd.substack.com/p/the-mthfrsugar-craving-cycle Get your CMA intracellular testing & genetics done → Call our office or visit danpursermd.com Shop MTHFR Daily → https://physiciandesigned.com/products/mthfr-daily Have an MTHFR variant? Drop your genotype (heterozygous/homozygous) in the comments — I’m always curious! #MTHFR #SugarCravings #Methylation #ChronicFatigue #Energy #PurserWellness #FunctionalMedicine #IntermittentFasting Follow Dr. Purser! Info: http://www.DanPurserMD.com Supplements: https://www.PhysicianDesigned.com Books: https://www.amazon.com/-/e/B00BIKSGVQ Facebook: https://www.facebook.com/danpursermd Facebook: https://www.facebook.com/PhysicianDesigned Twitter: https://twitter.com/realdanpursermd YouTube: https://www.youtube.com/danpursermd Instagram: https://www.instagram.com/danpurser.md Pinterest: https://www.pinterest.com/danpursermd

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FacebookMar 10, 2023

Chromium is even more critical than zinc to the glucose transport by the insulin receptor on the cell surface.

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Chromium is even more critical than zinc to the glucose transport by the insulin receptor on the cell surface. Intracellular Chromium deficiencies are fairly common in my practice. Again early lack of chromium causes reversible insulin re

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