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Dr. Courtney Craig

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Dr. Courtney Craig

Diet & nutrition strategies for chronic fatigue syndrome (ME/CFS), fibromyalgia, & long-COVID from a fellow Spoonie I truly believe you can too!

First diagnosed with CFS as a teen, I have spent nearly two decades learning as much as I can to get my health back. Using both conventional medicine and integrative medicine, I was able to overcome debilitating fatigue and brain fog. I offer online and in-person consultations for patients with Chronic Fatigue Syndrome/Myalgic Encephalomyelitis and Fibromyalgia. I believe diet should be the foundation of any treatment protocol. My main focus is eliminating diet-induced inflammation and promoting nutrient-dense eating habits. I am passionate about sharing hope and healing through food for those with chronic illness.

26/01/2026

Everyone talks about “healing the gut.”
Almost no one talks about how the gut actually regulates inflammation.

I just published a new post on intestinal alkaline phosphatase (IAP)—a protective enzyme in the gut lining that helps neutralize bacterial endotoxin (LPS) before it drives immune activation. This is especially relevant for ME/CFS and long-haul COVID, where gut-derived inflammation via LPS has been shown to fuel fatigue and brain fog.

This isn’t another gut-healing protocol or supplement plan. It’s a look at the physiology most of these conversations miss. There are 4 key foods to focus on.

New post here 👇
https://www.postviralnutrition.com/blog/gut-inflammation-mecfs-long-covid

Learn how gut inflammation, LPS endotoxin, and intestinal alkaline phosphatase affect ME/CFS and long COVID. Evidence-based strategies to support gut barrier function.

13/01/2026

I’m starting the year with a topic that’s long overdue for nuance.

Saturated fat has been blamed, defended, and argued about endlessly, but almost always without considering context. In postviral illness, CONTEXT matters immensely!

Check out a new blog post looking at saturated fat through the lens of gut health, immune activation, and why some people with ME/CFS or long-haul COVID feel worse on very high-fat diets that are supposed to be “anti-inflammatory.”

This isn’t about demonizing saturated fat, keto, or carnivore diets. It’s about understanding why the same food pattern can help one person and backfire for another—and why paying attention to physiology often matters more than following rules.

If you’ve ever tried a diet that was supposed to help and felt worse instead, this post is for you.

https://www.postviralnutrition.com/blog/saturated-fat-long-covid-mecfs

Saturated fat isn’t inherently harmful, but context matters. Learn how gut health, immune signaling, and diet patterns shape inflammation in postviral illness.

22/11/2025

One of the most common patterns I see when working with people who have ME/CFS, fibromyalgia, and long COVID is the belief that recovery requires dramatic dietary overhauls—cutting dozens of foods, following rigid plans, or eating large quantities of specific “therapeutic” foods.

But this isn’t how the body works. And it’s certainly not how sustainable nutrition works.

In postviral illness, where energy is limited, small, consistent nutritional changes are far more effective than extreme diets.

Check out the new blog post here for tips:
https://www.postviralnutrition.com/blog/small-nutrition-changes-mecfs-long-covid

Learn how small, sustainable nutrition changes can support recovery in ME/CFS and long COVID. Simple daily habits improve gut health, energy, and inflammation.

17/11/2025

New blog post alert: Post-Meal Fatigue in ME/CFS & Long-Haul COVID

Crash after eating? This isn’t a “food coma.” It’s a real physiological response involving inflammation, blood pooling, mast cell activation, and altered tryptophan metabolism. These systems are already disrupted in postviral illness, which is why eating can trigger such sudden exhaustion.

In this post, I break down the strongest, research-supported mechanisms behind post-meal fatigue and share practical steps to make meals more tolerable without extreme restriction.

Read the full article here: https://www.postviralnutrition.com/blog/post-meal-fatigue-mecfs-long-covid-pasc

Explore why post-meal fatigue is so common in ME/CFS, fibromyalgia, and long-haul COVID/PASC. Learn the science, top causes, and simple ways to reduce symptoms.

14/11/2025

Another video interview with Patrick Ussher... This one on my favorite topic: therapeutic diets for improving mitochondrial function and gut biome remodeling.

Watch it here:

For 15% off Dr Craig's nutrition courses use the code 'FALL15' here: https://www.postviralnutrition.com/online-course-catalogNB - Code is only valid until en...

10/11/2025

Working with postviral patients over the years, I’ve seen a recurring problem: many end up over-restricting their diets in the hope of feeling better. Many fear foods for the wrong reasons.

But too much restriction can backfire—harming the microbiome, increasing sensitivities, and making condition improvement and stability harder, not easier.

That’s why I wrote my latest blog post.

In it, I unpack common misconceptions I hear from patients every day—from fruit fears and dairy myths to long-term elimination diets and carb confusion—and explain what the research actually shows.

Read the full post here 👇
https://www.postviralnutrition.com/blog/nutrition-myths-postviral-illness

Learn which common nutrition myths may slow recovery in ME/CFS, fibromyalgia, and long COVID. Evidence-based guidance for rebuilding health after viral illness.

09/11/2025

All month long, videos are coming out from a fun interview I did with Patrick Ussher. Check out the first one now about low T3 syndrome.

https://www.youtube.com/watch?v=3En99-nLpCE

For 15% off Dr Craig's nutrition courses use the code 'FALL15' here: https://www.postviralnutrition.com/online-course-catalogNB - Code is only valid until en...

03/11/2025

New Video Alert!

I sometimes get asked where my nutrition recommendations come from since there is no direct diet research in ME/CFS.

It's a good question!
Learn more in 6:30 minutes.

https://youtu.be/ZZ_7Jw5rAfc?si=pzRhHIos2R6BpYis

Have you ever wondered about nutrition recommendations for ME/CFS or long COVID? This video addresses the lack of direct research and explains how experts ma...

28/10/2025

🧬 Another “blood test for ME/CFS”?
The headlines about the new EpiSwitch study sound exciting—but there’s an important catch.

I unpack why that matters and why a true biomarker for ME/CFS is still a long way off.

👉 Read the full post: https://www.postviralnutrition.com/blog/mecfs-biomarker-episwitch-hype

Every few years, new headlines promise a biomarker for ME/CFS. Learn why most fail, what’s behind the EpiSwitch test, and why real progress will take a cluster of biomarkers.

22/10/2025

A review paper is making the rounds with the sensational headline: “COVID-19 is Airborne AIDS.” Please read this critically—the science does not support that comparison.

🦠 COVID-19 is not like HIV/AIDS.
HIV is a lifelong virus that attacks and destroys the immune system. COVID-19 does not do this. While it can affect the immune system temporarily or cause long COVID in some, most people recover their immune function after infection.

🧬 COVID-19 doesn’t “hide” in your body like HIV or herpes.
There’s no evidence that SARS-CoV-2 becomes a chronic or latent virus. Most people clear it completely after infection. The idea that COVID creates long-term “carriers” like HIV is misleading.

⚠️ Scary headlines ≠ scientific consensus.
Even immunologists have called this “Airborne AIDS” claim scientifically inaccurate and irresponsible. Oversimplifying COVID this way can harm public understanding—especially for communities already impacted by post-viral conditions like ME/CFS.

Yes, COVID is serious. But we need accurate science, not fear-based framing. I hope this paper gets retracted.

https://www.ajpmfocus.org/article/S2773-0654(25)00146-4/fulltext

COVID-19 caused by SARS-CoV-2 is often compared to other pandemics for its societal and global health impact, with some commentators drawing parallels to HIV/AIDS due to the immune dysfunction caused by both viruses (1-4).

16/10/2025

Great piece today in Rolling Stone...

https://www.rollingstone.com/culture/culture-features/long-covid-kids-school-absenteeism-1235447552/

Long Covid is affecting hundreds of thousands of kids in America, and many doctors and schools refuse to recognize their illness.

13/10/2025

There’s almost no direct nutrition research for postviral illnesses like ME/CFS or long-haul COVID (PASC).

So you might wonder how on earth I make nutrition recommendations for these conditions!

The answer: I look to aging research.

These illnesses mimic aging phenotypes—meaning the body behaves biologically older than its actual age. And while we may never have robust nutrition trials for ME/CFS or PASC, we do have decades of high-quality research on how diet supports older adults. That research becomes a powerful guide for supporting the same systems disrupted in postviral illness: muscle, mitochondria, the immune system, and the gut.

I break down what this means and how it translates into real-world nutrition strategies in my latest blog post:

👉 Read the full post here: https://www.postviralnutrition.com/blog/nutrition-mecfs-long-covid-aging-research

Discover how decades of aging research guide nutrition for ME/CFS and long-haul COVID/PASC—from protein and micronutrients to fiber and caloric strategies.

Adresse

Munich

Webseite

http://www.postviralnutrition.com/, https://about.me/courtneycraig, https://bio.site/craignutrition

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