Methylation & COMT

Vitamin B12 rich foods including meat, fish, eggs, dairy, and shellfish arranged around a B12 label

What Is Vitamin B12? A Complete Guide to Forms, Uses, and Dosing

Vitamin B12 is one of the most talked-about — and most misunderstood — nutrients in the wellness world. It plays a role in almost every major system in your body, but a surprisingly large portion of the population doesn’t get enough. And even those who supplement often take the wrong form or the wrong dose

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Woman experiencing anxiety and panic at a table with methylated B-vitamin supplements — a common reaction for methyl-sensitive adults

Why Methylated B-Vitamins Cause Anxiety (And What Slow Methylation Really Means)

If you’ve spent any time researching MTHFR, methylation, or B-vitamins in the last few years, you’ve probably heard some version of this advice: “If you have MTHFR variants, your body can’t convert folic acid into the active form of folate. So you need pre-methylated B-vitamins — methylfolate and methylcobalamin — to bypass the broken step.”

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Does B-Complex Cause Anxiety? What the Research Actually Shows

Yes — for roughly 1 in 3 adults, a standard B-Complex can absolutely cause anxiety, jitteriness, insomnia, and a racing heart. It’s not in your head. You’re not overreacting. And the supplement industry has been quietly ignoring this problem for years. The reason comes down to a specific group of ingredients in most modern B-Complex

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Store employee helping a customer compare B-vitamin supplement labels in the vitamin aisle.

Methylated vs. Non-Methylated B-Vitamins: What Nobody Told You About the Difference

If you have ever picked up two different B-complex bottles at the health food store and wondered why they cost so differently, or why one is marketed as “premium” and the other is not, you have run into one of the least-explained facts in the supplement aisle. Not all B-vitamins are the same molecule. Almost

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A quiet morning moment representing mental clarity — soft sunlight and a warm drink.

The Complete Guide to Brain Fog: What Causes It, Why It’s Not Just Aging, and What Actually Works

A practical guide to understanding brain fog — including the most common causes, how to figure out what’s driving yours, and what actually helps clear it. Why This Matters Brain fog is one of those experiences everyone recognizes but very few doctors take seriously. You walk into a room and forget why. You reach for

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Person sitting in warm morning light holding a mug, illustrating the quiet reflective experience of noticing that B-vitamin supplements may be contributing to anxiety.

Yes, B-Vitamins Can Cause Anxiety (And Why It’s Not Your Imagination)

The counter-intuitive truth about the vitamin most people take FOR anxiety — and what to do if it’s making yours worse. If you’ve felt more anxious, more wired, or more on-edge after starting a B-vitamin supplement, you’re not imagining it. B-vitamins — despite being marketed as calming, energy-supporting, and generally “good for stress” — can

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Person reading a B-vitamin supplement label with a skeptical, thoughtful expression, questioning common methylation claims

5 Common Methylation Myths (And What the Science Actually Says)

A man emailed me a few weeks ago in real distress. He’d been diagnosed with an MTHFR variant years earlier, and — like tens of thousands of people who get that diagnosis — he was told he needed methylated B-vitamins. So he built a protocol. Methylfolate. Methylcobalamin. TMG (trimethylglycine, “for additional methylation support”). B6 at

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Woman in her 50s sitting on her couch reading a B-complex supplement label with a concerned expression, wondering if it's causing her anxiety

7 Signs Your B-Complex Is Causing Your Anxiety (Not Helping It)

A woman sent me a message last week. She’d seen one of my ads, screenshotted it, and replied with a single sentence: “I get horrible anxiety attacks from B12 meds.” She didn’t elaborate. She didn’t ask a question. She just needed someone to know. That message has stayed with me, partly because I get some

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Person reading the label on a methylated B-vitamin supplement bottle

But I Have MTHFR — Do I Need Methylated B-Vitamins?

If you’ve been told you have an MTHFR mutation, there’s a high probability someone — your doctor, your naturopath, a podcast you listened to, the supplement aisle, a friend who’s into health — has also told you that you need to take the methylated forms of B-vitamins. Methylfolate instead of folic acid. Methylcobalamin instead of

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Woman by a window in soft morning light, contemplating methylated B-vitamins and anxiety

Why Methylated B-Vitamins Make Some People Anxious (And What to Take Instead)

A few months ago, a woman called me about her B12. She told me that when she started taking the methylated version, she felt angry. Not anxious — angry. She’d never felt that way before. I had a moment of recognition when she said that. I’d been hearing more and more stories like hers, and

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