I spent fifteen years building the sharpest mind in every room. Now I’m 36, and the neurologist says the supplements I trusted were working against me the entire time.

I spent fifteen years building the sharpest mind in every room. Now I'm 36, and the neurologist says the supplements I trusted were working against me the entire time.
  • Tension: A man who spent fifteen years meticulously stacking cognitive supplements to be the sharpest person in every room discovers that his trusted regimen was likely contributing to the very cognitive decline he feared most.
  • Noise: The nootropic industry thrives on the fear of mental decline and the illusion that chronic supplementation equals protection — but emerging research shows that long-term stacking can dysregulate the neurological pathways these compounds claim to support, while the perceived benefits often outpace the measurable ones.
  • Direct Message: The compulsion to optimize your brain is often an anxiety management system disguised as discipline — and the hardest, most necessary act of cognitive health is learning to trust the mind you already have.

To learn more about our editorial approach, explore The Direct Message methodology.

Derek had a system. Every morning at 5:40 a.m. in his apartment in Austin, before his feet touched the floor, he reached for the lineup on his nightstand: lion’s mane, alpha-GPC, a racetam he’d sourced from a vendor in the Czech Republic, magnesium L-threonate, and a curcumin capsule with black pepper extract for bioavailability. He’d been doing some version of this since he was twenty-one, back when he was a finance major at UT who’d read a blog post about nootropics and felt like he’d stumbled onto a cheat code. By thirty-six, Derek could point to a career trajectory that seemed to validate every capsule: senior data architect at a Fortune 500, the guy in the room who could synthesize three competing datasets and find the thread nobody else saw. The sharpest mind in every room. He believed that completely.

Then the migraines started. Not the dull, dehydration kind. Pulsing, visual-aura migraines that would hollow out entire afternoons. His neurologist ran the standard panels, asked the standard questions, and then asked the non-standard one: “Walk me through every supplement you take.” Derek pulled up the note on his phone. It was thirty-seven items long.

What his neurologist told him landed somewhere between a correction and a reckoning. Several of the compounds Derek had stacked for years were interacting in ways that likely elevated his homocysteine levels, disrupted his liver’s methylation pathways, and, in the neurologist’s careful phrasing, “may have been contributing to the exact cognitive decline you were trying to prevent.”

Derek isn’t an outlier. He’s a demographic.

brain supplement bottles
Photo by Supplements On Demand on Pexels

The cognitive optimization industry is worth an estimated $7.2 billion in the U.S. alone, and it runs almost entirely on a specific emotional architecture: the fear that your mind is the one asset you can’t afford to lose. That fear is legitimate. But the market that feeds on it is governed by remarkably little oversight, and a growing body of research suggests that many popular nootropic stacks, when combined chronically, don’t just fail to protect cognition. They actively compromise it.

A 2022 systematic review published in Nutrients examined the long-term effects of commonly stacked supplements on hepatic and neurological function. The findings were sobering: chronic high-dose use of certain B-vitamin combinations, particularly when paired with choline donors like alpha-GPC, can dysregulate the very methylation cycles they’re marketed to support (doi.org/10.3390/nu14163258). The paradox is precise. The thing you take to sharpen yourself becomes the thing that dulls you, so gradually that the fog feels like aging rather than accumulation.

Mei-Lin, a 33-year-old UX researcher in Seattle, described it differently. She didn’t have migraines. She had what she called “the flattening,” a slow erosion of her emotional range that she initially attributed to burnout. She’d been taking a popular nootropic blend marketed toward women in tech, one that combined adaptogens with stimulatory amino acids and high-dose B12. “I just thought I was getting more efficient,” she told me. “I could still think clearly. I could still work. But I couldn’t feel anything about the work. I couldn’t feel anything about much.” Her psychiatrist eventually flagged the B12 levels in her bloodwork as abnormally high, a counterintuitive red flag that pointed to a functional deficiency in how her body was actually using the vitamin. As neurologists have noted about artificial sweeteners accelerating memory loss, the substances we assume are benign (or even beneficial) can quietly undermine neurological function when consumed chronically.

What strikes me about both Derek and Mei-Lin is how long the lag was between cause and symptom. Derek stacked supplements for fifteen years before the migraines broke through. Mei-Lin took hers for four years before the emotional blunting became impossible to ignore. That delay is the engine of the entire industry. You take something, you feel a little sharper (or you believe you do, which neurologically can be the same thing for a while), and the absence of immediate harm becomes your evidence of safety. Psychologists call this confirmation drift: the slow process by which initial positive experiences calcify into unshakeable belief, even as the underlying reality shifts.

The deeper issue, though, isn’t pharmacological. It’s identity.

I keep thinking about a piece we ran on people who constantly need to be productive using busyness to avoid a feeling they’ve never learned to sit with. Derek, when I pressed him, admitted something that surprised even him: the supplement ritual was never purely about performance. It was about control. His father had been diagnosed with early-onset Alzheimer’s at fifty-eight. Derek was twenty-three when that happened. Every capsule since then had been a small, daily act of defiance against a genetic inheritance he couldn’t negotiate with. The stack wasn’t a health protocol. It was an anxiety management system dressed in the language of biochemistry.

Raj, a 41-year-old orthopedic surgeon in Chicago, arrived at a similar realization through a different door. He’d been using modafinil and a rotating cast of nootropics for nearly a decade, originally to survive residency, then to maintain what he called “surgical-grade cognition” in his forties. When a routine cardiac workup revealed elevated liver enzymes, his internist asked him to stop everything for ninety days. “Those ninety days were terrifying,” Raj said. “Not because my thinking got worse. It didn’t. It was because I had to sit with the possibility that I’d been the same person all along, and the supplements were just a story I told myself.” A recent study in JAMA Network Open found that perceived cognitive enhancement from nootropics often outpaces measurable enhancement by a significant margin, suggesting the placebo architecture of these compounds may be doing more work than the compounds themselves (doi.org/10.1001/jamanetworkopen.2023.14824).

person morning routine anxiety
Photo by Diva Plavalaguna on Pexels

There’s a concept I think about often: competence entanglement, the state in which your sense of capability becomes so fused with an external ritual or substance that you can no longer distinguish your native ability from the scaffold you’ve built around it. Raj was living inside competence entanglement for a decade without knowing it. So was Derek. So, probably, are millions of people who open their supplement drawer every morning with the quiet certainty that they’re investing in their future selves.

And that certainty is what makes this so difficult to talk about honestly. Because the people drawn to cognitive optimization tend to be smart, research-literate, and deeply invested in the narrative that they are taking ownership of their health. Telling someone that their carefully curated nootropic stack might be harming them doesn’t land as medical information. It lands as an identity threat. As we explored in a piece on the willingness to grieve the person you used to be, one of the hardest human tasks is releasing a self-concept that once served you. The version of Derek who believed he was biohacking his way past his father’s fate had a purpose, a story, a daily structure that made the uncontrollable feel controllable.

Letting that go doesn’t mean the supplements were always useless. Some of them, in isolation, at appropriate doses, probably helped at various points. But the stack, the fifteen-year accumulation of compounds layered on compounds, the identity built around cognitive optimization as a lifestyle, that became its own kind of pathology. One that looked, from the outside, like discipline.

Derek is eight months into his neurologist-supervised taper now. He still takes magnesium. He still takes vitamin D. He stopped everything else. His migraines have mostly resolved. His cognition, by every measure he tracks (and he tracks many), is unchanged. He told me the hardest part wasn’t the withdrawal or the adjustment. It was the morning silence. “I used to spend twenty minutes with my stack,” he said. “Now I just wake up and I’m a person. That’s it. Just a person with a brain that works the way it works.”

There’s something in that quiet admission that cuts deeper than any clinical finding. We’ve written about the men who thrived in retirement because they built identities outside of work before they left it. The principle translates. The people who will navigate cognitive aging with the most resilience aren’t the ones with the most optimized supplement regimens. They’re the ones who built a sense of self that doesn’t depend on being the sharpest mind in the room. Because that was never a sustainable identity. It was a performance, and the supplements were the costume.

Derek knows this now. He’s thirty-six. He has time. But he spent fifteen years solving the wrong problem, and the hardest truth he’s had to absorb is one that no capsule could have given him: you cannot supplement your way out of being human. The brain you’re so desperate to optimize is already doing something extraordinary. It’s keeping you alive, making meaning, running a body, and dreaming at night. Sharpness was never the point. The point was always trust, the willingness to believe that the mind you were given is enough, even on the days when it feels like it isn’t.

Feature image by Thesis on Pexels

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Rachel Summers

Rachel Summers is a behavioral psychology writer and cultural commentator based in New York. With a background in social psychology and over a decade of experience exploring why people think, act, and feel the way they do, Rachel's work sits at the intersection of science and everyday life. She writes about emotional intelligence, generational patterns, relationship dynamics, and the quiet psychology behind modern living.

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