THE PURSER WELLNESS LIBRARY

Let’s explore cellular energy

A COURSE FOR YOUR CURIOSITYFatigue: asking better questions

4 chapters, at your pace

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135 discoveries for your curiosity2 matching listings grouped; alternative sources stay available.

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YouTubeAug 29, 2026

MTHFR and the Never-Ending Sugar Crash Cycle: Why You’re Tired, Craving Sugar, and Chasing Energy A

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That afternoon sugar craving may be telling you more than you think. Here’s how methylation, glucose, cellular energy and your genetics may fit into the bigger picture. https://danpursermd.substack.com/p/mthfr-and-the-never-ending-sugar?utm_source=youtube

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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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YouTubeJan 6, 2026

🧬 What’s more powerful than glutathione or vitamin C?

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Superoxide dismutase (SOD)—your body’s first line of defense against DNA-damaging free radicals. SOD neutralizes superoxide radicals at the source of cellular energy production. But as we age—or if we have genetic SNPs—our ability to make SOD drops. That’s why we created VARS SOD, with over 10,000 IU per dose (most products have less than 240 IU). It’s a game changer for anti-aging, DNA protection, and reducing inflammation at the root.

YouTubeMay 23, 2026

Understanding Your CMA with Redox Results: What Those Two Pages Actually Mean

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If you’ve had our Cellular Micronutrient Assay (CMA) with Redox testing, chances are you’ve looked at those two pages of results and thought, “Okay... now what does all this actually mean?” You’re not alone. This is one of the questions I hear most often from patients. Let me walk you through exactly what each page shows, how the test works, and why these results are so powerful for creating a truly personalized plan to help you feel your best.

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Best match puts all-term matches before partial matches and related reading. Matching long titles across sources are grouped when access is the same. Search covers published titles, descriptions, available article text, report overviews, and the full text of the nutrient, gene and learning-essential reference pages. Books, uploaded chapters and downloads-page reports are searchable through selected editorial guides and topic names; the original files and full book text are not published. Full Drive reports are not copied into search. Substack subscriber titles and public summaries are included; full subscriber content opens on Substack. Video transcripts are added when available.