August 07, 2026

Reverse Autoimmune Disease: Why Your Immune System Attacks You (And How to Stop It)

Most doctors manage autoimmune flares for life. Dr. Amy Myers has spent 20 years proving you can reverse autoimmune disease. It starts with your gut.

Reverse Autoimmune Disease: Why Your Immune System Attacks You (And How to Stop It)

Autoimmune disease comes up at the pharmacy almost every week. And the part that bothers me is this. People get a diagnosis, they get a prescription, and nobody ever sits down and tells them why their immune system started attacking them in the first place.

That question deserves a real answer, so I brought in Dr. Amy Myers for this episode of The Trusted Pharmacist. She's a physician who wrote The Autoimmune Solution and The Thyroid Connection, she reversed her own Graves' disease, and she spent years in clinic helping patients do the same thing. She's updating that first book right now, more than ten years after it came out.

What hasn't changed is the message. Autoimmune conditions aren't random, and they aren't hopeless.

 

Your Specialists Are Treating the Attack, Not the Reason For It

If you've got two or three autoimmune conditions, you're probably sitting in two or three different waiting rooms. One doctor for your gut. One for your thyroid. One for your joints. All of them working to shut your immune system down from their own corner.

Nobody's asking the bigger question. What happened to your immune system that made it turn on you?

That's the question Dr. Myers built her whole approach around. The way she describes it, autoimmunity shows up when someone with the right genetics collects enough triggers over time. A leaky gut. A toxin load. Chronic stress. Latent infections. In the updated book she's adding trauma to that list, plus a whole section on COVID.

You can't suppress your way out of any of that. You have to go backward and find it.

 

What You Actually Need to Know

It almost always starts with a leaky gut

Dr. Myers points back to Dr. Alessio Fasano, whose team discovered zonulin, the molecule that pulls apart the tight junctions in your gut lining. And their research found something most people have never been told. Gluten opens up your gut lining temporarily, whether or not you have a sensitivity to it.

For a lot of people that's fine. Your gut cells turn over quickly, so you heal. But if you're also carrying an infection, a heavy toxin load, and a nervous system that never shuts off, those junctions stay open. Big molecules start slipping through that were never supposed to get near your immune system, and now your immune system is on high alert all the time.

When patients came into her clinic with an autoimmune condition, Dr. Myers just assumed they had a leaky gut. And if she could only get someone to change one thing, it was gluten.

Molecular mimicry is why the attack lands on your thyroid

So why does one person get Graves' disease and another one gets Crohn's? Some of the answer comes down to molecular mimicry.

Certain molecules look a lot like your own tissue. The gluten molecule looks similar to thyroid tissue. So does the Epstein-Barr virus. Your immune system goes after the gluten coming through that leaky gut, gets confused, and hits your thyroid instead.

Dr. Myers lived it. She had a bad case of Epstein-Barr in high school. She was vegetarian for 27 years, eating sprouted whole wheat bread she thought was the healthy choice, with SIBO and Candida feeding off all those carbs. Then she came home from the Peace Corps and lost her mother to pancreatic cancer within four months. Six months after that she was diagnosed with Graves'.

No single thing caused it. It piled up.

Hidden infections and trauma keep the fire going

Viruses in the herpes family, Epstein-Barr included, hide inside your cells and hijack them. Your immune system is carrying that load in the background, and then it gets slammed all over again when the virus flares.

She made a point here that stuck with me. She trained as an ER doctor, and back then chronic fatigue and fibromyalgia were the diagnoses that made everyone roll their eyes. Then long COVID showed up, got an ICD-10 code almost overnight, and validated the exact same post-viral picture those patients had been fighting to have taken seriously for twenty years.

Trauma gets there a different way but ends up in the same place. When your nervous system is stuck in fight or flight and you're hypervigilant around the clock, your immune system pays for it. She was diagnosed with PTSD after mold got into the house she'd spent four years building specifically so that would never happen again. EMDR is what finally reset her, after other approaches hadn't done much.

Detox stopped being something you do once a year

This is one of the bigger shifts since she wrote the original book. Twelve years ago she could take a patient gluten-free and dairy-free and watch a lot of things turn around. Her words on that are pretty direct. The ante has been upped.

So her approach now runs in two directions. Keep what you can out, and actively move the rest through. Filter your air and your water at home. Eat organic where it counts. Then keep the exits open, because you get toxins out through urine, stool, and sweat. She wants one to three bowel movements a day, enough fiber to bind things up on the way out, and she's in an infrared sauna several times a week.

Genetics matter here too. She carries a GSTM1 SNP, which means she doesn't make glutathione well, and glutathione is your body's main detoxifier. So she takes an acetylated glutathione plus a binder. That binder piece is the part people skip. If you pull toxins loose and don't bind them, you just reabsorb them.

You don't have to pick between your medication and getting well

If you're on a biologic or an immunosuppressant right now, pay attention to this part. She never told patients to walk in and quit their medication. If it was working and the side effects were manageable, they stayed on it while she built the foundation underneath them. Gut first. Stress next. Then the diet.

What she'd see is a patient who used to be counting the days until their next infusion, barely making it to the appointment, suddenly showing up and saying they didn't need it yet. So they'd stretch it to five weeks. Then six. Some people came off completely. Plenty of others cut the dose in half, and she counts that as a win too, because that's half the immune suppression and your body picked up the rest.

Here's the other reason this matters. Once you have one autoimmune condition, you're three times more likely to get a second one. Getting to the root of the first is how you protect yourself from the next.

 

What To Do This Week

Cut the gluten. Not cut back. Cut it out. Fasano's research says it opens the gut lining in everybody, and in my pharmacy I've watched autoimmune patients get better almost every time it comes out of the diet. My mentor was doing this with autoimmune patients back in the early 2000s, and the science finally caught up to him.

If you're on levothyroxine, find out whether anyone ever ran your thyroid antibodies. A lot of doctors don't bother, because the prescription looks the same either way. She disagrees with that, and so do I. Knowing whether your hypothyroidism is autoimmune changes what you should be working on. And I liked how she reframed the drug itself. Thyroid hormone isn't really a medication. It's a supplemental bioidentical hormone, the same way insulin is for a type 1 diabetic. Taking it doesn't mean you failed at anything.

 

Questions I Get About This at the Pharmacy

Do I have to give up gluten forever?

Not necessarily, but you have to give it up now. Dr. Myers ate strictly for years while she was reversing her own condition, and these days she'll have beans and rice with her daughter without it setting her back. The difference is where she sits on that spectrum now. Get the inflammation down and the antibodies cleared first, then you find out what your body actually tolerates.

My labs say hypothyroid but nobody mentioned Hashimoto's. Does that matter?

It matters a lot. Most doctors skip the antibody test because the prescription looks the same either way, and that logic falls apart the moment you remember one autoimmune diagnosis makes a second one three times more likely. Knowing which kind you have tells you what you're actually working on.

I'm on a biologic. Am I supposed to stop taking it?

No. Dr. Myers never asked patients to quit their medication on day one, and neither would I. You stay on what's working while you build the foundation underneath it, and then you and your prescriber watch what your symptoms do between doses. Stretching the interval out or cutting the dose in half is a real win, not a consolation prize.

 

This Is Where the Pieces Come Together

Autoimmune disease is one of the most misunderstood diagnoses I see at the pharmacy, and most of the confusion comes from people walking out with a prescription and no explanation of why their immune system turned on them.

That pattern shows up everywhere in healthcare.

Most people are pulling bits and pieces from specialists, podcasts, and 2 a.m. searches, trying to build a plan on their own, and nobody has ever shown them how their gut, their stress, their hormones, and their immune system are all connected.

That's what the Magnolia Inner Circle is for.

It's a place where you can ask your questions directly, get real answers from pharmacists, and finally see how your health fits together so you can stop guessing and start working from an actual plan.

Membership also comes with live challenges, deeper trainings on the topics we cover here, a community of people working through the same things you are, and member discounts on the supplements we actually recommend.

Join the Magnolia Inner Circle here.