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I found out about MTHFR the way a lot of us find life changing information these days, in the middle of the night, phone in my face, during a doom scroll that had long since crossed over into the next morning. The sun was probably already coming up. I hadn’t slept. A woman on TikTok was listing off symptoms and I remember the feeling of my stomach dropping because she was describing my entire life.
Every symptom I had ever had. Every diagnosis I had ever been given. Every prescription I had ever been handed for what doctors kept insisting were completely separate, unrelated issues.
I had been telling anyone who would listen for years that there was no way one person could have this many different individual problems. It had to all be connected to something. Nobody listened.
Turns out I was right.
So What Actually Is MTHFR?
MTHFR stands for methylenetetrahydrofolate reductase, a gene that produces an enzyme your body needs to process folate and convert it into a form your cells can actually use. When this gene has a mutation, that conversion process doesn’t work properly.
Why does that matter? Because folate and the methylation process it supports is involved in almost everything your body does, detoxification, DNA repair, neurotransmitter production, hormone regulation, inflammation response, and more.
When methylation isn’t working right, the effects can show up everywhere. And they look different in everyone, which is part of why it’s so easy for doctors to miss, or dismiss.
The Symptoms Nobody Is Connecting the Dots On
Here’s what frustrates me most about MTHFR: doctors will look at your chart, see ten different diagnoses, and hand you ten different prescriptions. What they rarely do is step back and ask why one person has all of these things at once.
I had:
- Endometriosis
- Miscarriages and infertility
- High blood pressure
- Mood swings, bipolar disorder, depression, and anxiety
- ADHD and brain fog
- Heavy and painful periods
- Chronic inflammation and chronic fatigue
- Dizziness
- Hives from random triggers — including the sun, yes the actual sun
- Eczema and asthma
- Joint pain, stiffness, and swelling
- Muscle pain
- Obesity
- Insomnia
- Addictive behaviors
- Cancer (which I recovered from)
- Oppositional defiant disorder
I’m not saying every single one of these is directly caused by MTHFR. But I can tell you that the majority of them have either significantly improved or completely disappeared since I started treating my MTHFR mutation. You do the math.
“But I Only Heard About It on Google” – And Why That Shouldn’t Matter
If you’ve already brought up MTHFR to a doctor and been dismissed, you are not alone. It is one of the most frustratingly common experiences in the MTHFR community. Doctors will sometimes wave it off like you’ve been falling down internet rabbit holes and reading too much.
But here’s the thing, I heard about it on TikTok at 3am and it gave me my life back. Where you found the information doesn’t change whether the information is valid. Thirty years of prescriptions from doctors who weren’t connecting the dots didn’t help me. One sleepless night and a stranger’s video did.
You know your body. You know when something is wrong. And you have every right to advocate for yourself until someone actually listens.
If your doctor dismisses MTHFR, ask specifically to be tested. If they still won’t engage, look into functional medicine doctors or naturopaths, they tend to be far more familiar with MTHFR and how to address it.
How Do You Find Out If You Have It?
You can ask your doctor for an MTHFR gene test, it’s a simple blood test. Some doctors will order it willingly, others will push back. If you’re hitting walls, at-home DNA testing options like 23andMe and Ancestry include MTHFR data in their results, and there are services that can interpret the raw data for you.
Getting tested for my whole family was one of the best decisions I made, we all came back positive, which explained a lot about the health patterns we had all assumed were just bad luck.
What Happens After a Positive Result?
This is the part I really want you to hear, especially if you just got your results and you’re feeling scared or overwhelmed.
Congratulations. This is the beginning of the rest of your life.
I know that might sound dramatic but I mean it completely. A positive MTHFR result isn’t a scary diagnosis. It’s an answer. After a lifetime of being sick and not knowing why, having an answer is a gift. It means there are actual things you can do. It means you weren’t imagining it. It means you weren’t just unlucky or broken or difficult to treat.
You were right all along. Something was wrong. And now you know what it is.
What Treating MTHFR Actually Feels Like
I want to tell you about waking up refreshed because I genuinely did not know that was a real thing.
For the first 34 years of my life I woke up exhausted. More tired than before I went to sleep. Grumpy and foggy and dragging myself through the day. I just assumed I wasn’t a morning person. I thought when people said they woke up feeling refreshed they were either lying or describing some experience I was simply not built to have. What does “woke up refreshed” even mean?
Now I know.
I wake up naturally without an alarm. I open my eyes and I feel good. I walk out to my back porch with my tea and watch the sun come up and listen to the birds and the butterflies drift through and everything feels brighter. Calmer. More peaceful than I ever remember my life feeling.
My moods stabilized. My energy came back. The sleep, the real, actual restorative sleep, finally arrived after decades of my body just shutting down out of survival necessity when it absolutely had to.
I used to say I wasn’t a morning person. Turns out I just wasn’t a sick person pretending to be well anymore.
Where to Start
If you think MTHFR might be relevant to you, here are the first steps:
1. Get tested. Ask your doctor or look into at-home options. You can’t address something you haven’t confirmed.
2. Start with methylfolate and B12. Regular folic acid doesn’t work properly for people with MTHFR mutations, your body needs the active methylated form. I personally use and trust Seeking Health supplements, specifically formulated with MTHFR in mind. You can find everything I recommend on my Supplements & Nutrition page.
3. Reduce your toxic load. If your body is already struggling to detoxify efficiently, every chemical-laden product in your home is adding to that burden. Start small, even just opening your windows every day makes a difference. My Low-Tox Home & Wellness site has everything I personally researched and recommend, organized by category.
4. Be patient and celebrate every small win. Healing from a lifetime of untreated MTHFR doesn’t happen overnight. But it does happen. I promise you it happens.
One Last Thing
If you’re reading this in the middle of the night during your own doom scroll, exhausted and frustrated and wondering if you’re ever going to feel better, hi. I see you. I was you.
Keep scrolling. Keep asking questions. Keep advocating for yourself even when doctors make you feel like you’re overreacting. You are not overreacting. You know your body and you deserve answers.
I hope this is the page that gives you just enough hope to take the next step. 🌿
— Ashley
Find all my curated low-tox product and supplement recommendations at lowtoxliving.carrd.co, everything is there because it made a real difference for me.
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