biohacking is mostly unsubscribing

the word "biohacking" conjures addition. a stack of pills at breakfast. a new device on the wrist. a protocol, a powder, a subscription. the entire industry is architected around the question "what should i add?"

the evidence answers a different question. line up the measured effects on cognition and mood by size, and the top of the list isn't things to add. it's things to remove. the biggest levers on your hardware are subtractions, they're free, and nobody can sell them to you, which is exactly why nobody does.

biohacking, honestly practiced, is mostly unsubscribing.

the asymmetry

here's the pattern that jumps out of the research once you grade it coldly.

the celebrated additions are small. the best-evidenced supplement combo for attention, caffeine plus theanine, moves reaction time by well under one standard deviation, and most of that is the caffeine. modafinil, the strongest legal enhancer studied, shows modest, task-specific gains with a real side-effect bill. most of the famous pills, ginkgo, fish oil for cognition, the racetams, grade out at weak or null in healthy adults. i've written the full autopsy separately.

the unglamorous subtractions are enormous by comparison. chronic mild sleep restriction, the founder default, degrades cognition to the level of total sleep deprivation within two weeks, while hiding itself from your self-assessment. alcohol, even moderate evening doses, suppresses rem sleep in the first half of the night and fragments the second half, so the drink subtracts from tomorrow's judgment before any hangover enters the picture. and the phone: the average feed session doesn't show up in a blood panel, but it strip-mines the exact attentional resource you were buying supplements to enhance.

the math is almost comic: people pay hundreds a month for additions worth a few percentage points while running subtractable habits that cost them multiples of that nightly.

why addition sells and subtraction doesn't

the bias is structural, and knowing the structure helps you resist it.

addition has a business model. a pill can be manufactured, margined, subscribed. "stop doing something" has no sku. so the entire commercial ecosystem, the influencers, the podcasts, the affiliate codes, points at products, because only products pay commissions.

addition also flatters the identity. taking a nootropic stack feels like being the kind of person who optimizes. going to bed at ten feels like being boring. the stack looks like optimizing; the bedtime looks like being boring. people buy the look.

and addition preserves the vices. the deep appeal of the supplement aisle is the hope that you can keep the 1am screens, the nightly wine, the sixth coffee, and patch the damage with capsules. the entire industry is, functionally, a market for permission slips.

via negativa, the old idea that improvement comes from removal, has no lobby. it just has the effect sizes.

the unsubscribe list

ranked by evidence, the actual protocol:

• unsubscribe from sleep debt. not "sleep more," which is vague, but stop the specific theft: the revenge-scrolling hour, the 6am flight you didn't need to book, the badge-of-honor all-nighter. the two-week experiment data says you can't feel what this is costing you. that's precisely why it has to be a rule, not a feeling.
• unsubscribe from evening alcohol. you don't have to become a monk. you have to stop pretending the nightcap is neutral. it's a sedative that specifically taxes the restorative half of your night. drink earlier, drink less, or drink knowing the price.
• unsubscribe from the feed's default access. notifications off revokes a counterparty's standing permission to trade against your attention. i've written about attention as capital allocation. this is the first trade to cancel.
• unsubscribe from late caffeine. caffeine's half-life means the 4pm cup is still arguing with your adenosine at midnight. keep the morning dose, kill the afternoon one, and you've upgraded your sleep without giving anything up that the morning cup wasn't already giving.
• unsubscribe from the second screen, the standing meeting that died, the discourse you rage-read. each is a small recurring charge against a fixed budget. cancel like a cfo reviewing software spend: if it doesn't earn its line item, it goes.

notice what this list costs: nothing. notice what it requires: saying no to things that feel good tonight. that's the actual price of biohacking, and it's why the pills sell better.

the objection

"this is just 'sleep more, drink less, touch grass' dressed up. everyone knows this."

everyone knows it the way everyone knows compounding: as a fact, not as a practice. the gap between knowing and doing is the entire opportunity. and the framing genuinely matters: "be healthier" has failed as advice for decades because it's an identity demand. "unsubscribe from specific recurring costs" is an operation. builders are good at operations.

also, the "everyone knows this" crowd is, observably, not doing it. i've sat at enough founder dinners to report the field data: the same person tracking their hrv on a $400 wearable is on their third negroni at midnight with a 7am call. the accounting is the bottleneck.

first the subtraction, then maybe the stack

none of this says additions are worthless. a few survive scrutiny, i've graded them elsewhere, and once your subtractions are handled, the small edges stack on a clean baseline instead of leaking out through the holes.

but the order matters absolutely. supplements on top of sleep debt is turbocharging an engine with the oil light on. fix the leaks first. the leaks are free to fix.