THE PURSER WELLNESS LIBRARY

Let’s explore chronic fatigue

A COURSE FOR YOUR CURIOSITYFatigue: asking better questions

4 chapters, at your pace

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New to this subject? Start with this free introduction.What Causes Chronic Fatigue Syndrome?

116 discoveries for your curiosity3 matching listings grouped; alternative sources stay available.

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YouTubeJan 5, 2026

What Causes Chronic Fatigue Syndrome?

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Do you know what causes chronic fatigue? Dr. Purser explains the top causes of Chronic Fatigue Syndrome (CFS) and shares what steps to take to feel normal again. Discover why CFS is a symptom of underlying conditions and what the treatment of underlying causes of CFS includes. Dr. Purser dispels the myth of medication deficiency related to CFS symptoms. Discover the relationship of nutritional deficiencies, hormone imbalance, and poorly understood genetic causes from MTHFR deficiency to fatigue. Learn what contributes to fatigue when the absorption of Vitamin B12, folate, pantothenate, and oth

YouTubeJan 6, 2026

What is Intracellular Testing?

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Intracellular testing, or the CMA Cellular Micronutrient Assay, measures over 100 vitamins, minerals, amino acids, and antioxidants inside your cells—not just in your blood. Unlike serum tests, which show short-term levels, intracellular testing reveals what your cells have been missing over the last 100 days. Low levels can mean weak enzymes, non-functioning proteins, and accelerated aging. By identifying deficiencies and matching them with the correct nutrient forms for your genetics, you can target fatigue, anxiety, depression, and other chronic issues at the root. Get your CMA by calling o

YouTubeJun 19, 2026

From Bedridden to Thriving: Our Real Fibromyalgia Journey

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🎉 June Anniversary Special at Purser Wellness! Join Dr. Dan Purser MD’s team — Chantel (Chicky), Denise Purser, and Lois Schweigert from End Fibro with Natural Options — for an honest, heartfelt conversation about living well with fibromyalgia. We share real-life stories of flares, recovery, and ongoing improvement using Dr. Purser’s protocol. From severe teenage fibromyalgia to thriving as grandmothers, we discuss how the VARS Trio (Glutathione, SOD, and the game-changing Catalase) helps manage inflammation, cytokines, and hydrogen peroxide — plus practical tips on low-copper diet, serving sizes, gym recovery, weight loss, and consistency over perfection. Topics covered: • How to handle fibro flares quickly (catalase + SOD stories) • The importance of intracellular testing (CMA) & genetics • Low-copper eating guidelines & why serving size matters • Building strength and muscle after years of pain • Why we keep improving year after year 🔥 June Special: $100 off Genetic Testing + CMA (deepest discount of the year). One lucky order will be fully reimbursed! 👉 Order tests & supplements: https://danpursermd.com (or link in comments) If you or someone you love deals with fibromyalgia, chronic pain, fatigue, or inflammation, this episode is full of hope and actionable advice. 💬 Drop your biggest takeaway or question below — we read every comment! Timestamps: 00:00 - Intro & June Anniversary Sale 02:30 - Real flare story & catalase rescue 06:00 - Long-term improvement on the protocol 12:00 - Starting slow with supplements (topical tips) 23:00 - Low-copper diet & food list tips 36:00 - Gym recovery & building muscle 50:00 - Weight loss benefits & consistency #Fibromyalgia #ChronicPain #NaturalWellness #PurserWellness #FibroRecovery #LowCopperDiet 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

YouTubeJan 6, 2026

Doctor Reacts to Gary Brecka om Joe Rogan - MTHFR and MORE!

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Dan Purser MD, renown for his work with MTHFR, chronic fatigue, anxiety, depression, fertility, hormone health, fibromyalgia, and SO MUCH MORE takes on the recent podcast interview of Gary Brecka from 10 Times Health System and Joe Rogan. Mr. Brecka is correct on so many points, but there is still SO MUCH MORE to dive into. The 5 genes he looks at are critical, but there are several to dozens more that need to be addressed. Once you look at genes, you must check out Intracellular Micronutrient Levels. This is THE ONLY way to get the full picture.

Health BlogMay 12, 2021

Why do I need methylated B Vitamins?

In the description

Many vitamins and minerals go through the methylation cycle meaning a methyl group is added to a molecule to turn it into its active form. Individuals with MTHFR and other genetic methylation errors are unable to efficiently create the methylated versions of those certain vitamins and minerals. Those with MTHFR specifically cannot make enough 5-MTHF, an activated form of folate, which in turn prohibits the ability to methylate other vitamins. These errors can lead to a number of cellular deficiencies which can cause chronic fatigue, anxiety, depression (BASICALLY MAKE YOU FEEL LIKE A SLUG) and

YouTubeApr 29, 2026

How to Properly Treat Kids: Root Cause Medicine for Autism, ADHD, and Developmental Challenges

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In this powerful live session, Dr. Dan Purser MD reveals why conventional pediatric medicine often falls short and shares his proven Purser Method® for helping children with autism spectrum traits, severe ADHD, chronic inflammation, and developmental delays. Drawing from over 43 years of clinical experience, Dr. Purser explains: Why genetic testing (especially MTHFR and related SNPs) is the essential first step How to use targeted, active-form nutrients instead of generic vitamins The role of leucovorin (high-dose folinic acid) and when it makes a real difference Practical ways to reduce toxin load and calm the inflammatory response Smart strategies around vaccination and detoxification support Dr. Purser emphasizes that kids are not little adults — their developing systems need precise, individualized care. Parents and practitioners will walk away with actionable steps that address root causes rather than just managing symptoms. Whether your child is struggling with speech delays, meltdowns, focus issues, or recurrent health problems, this episode offers real hope through biochemistry done right. Resources Mentioned: Pediatric MTHFR formulas: https://www.PhysicianDesigned.com Book a consultation: http://www.DanPurserMD.com Dr. Purser’s books on Amazon: https://www.amazon.com/-/e/B00BIKSGVQ If you’re a parent tired of “there’s nothing more we can do,” or a practitioner looking for better tools, this episode is for you. Timestamps available in the full video. Subscribe, leave a review, and share this with any parent who needs to hear it. The kids deserve better answers. Dan Purser MD – Root Cause Inflammation & Genetic Optimization #MTHFR #Autism #ADHD #ChildrensHealth #Leucovorin #FunctionalMedicine #Pediatrics 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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Health BlogMar 13, 2026

The Hidden Molecule Driving Inflammation: Understanding the Purser Model of Homocysteine

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Most people have never heard of homocysteine, yet this small molecule may hold the key to understanding inflammation, cardiovascular disease, neurological problems, and many chronic conditions. For decades, homocysteine was viewed as a toxic substance in the blood. Doctors were taught that lowering it with B-vitamins might reduce heart disease risk. But research results were inconsistent, leaving many physicians unsure whether homocysteine truly mattered. New research and clinical observations are changing that view. We introduce a new framework called the Purser Model, which explains why homo

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