Skip to main content
Skip to main content

No borrowed goals

Every score is answering a question. DN1 starts with yours.

A system for people already testing protocols, wearables, labs, training, and supplements. DN1 starts with the outcome you care about, turns what you try into personal evidence, and uses that evidence to shape tomorrow's plan.

You're already running an experiment on yourself. DN1 closes the loop.

Signal accountability · Day 33 / system updated
The score became context, not verdict.
Question DN1 was askedWhich signal should shape tomorrow's plan?
Recovery score answeredGeneric readiness. Useful context, not authority by default.
User cared aboutSharp workday, training consistency, next-day function.
Personal signalH10 chest-strap RMSSD and subjective state disagreed with the composite.
DN1's callKeep the score visible, lower its authority for this decision, and watch the next measurement window. Safety red flags and clinician instructions stay upstream.

Your perception is the sensor.

You notice what no device measures: energy, mood, how you actually feel. Conversation surfaces it as structured data without making you fill out a form.

Signals earn their authority.

Your wearable, labs, subjective state, and habits are judged against the outcome you chose. A score can be useful without being in charge.

Coaching is the surface.

The evidence record constrains what the coach is allowed to claim. You see the plan and the reasoning, not the math.

App surface excerpt · demo state, not launch proof

What using DN1 looks like.

The product path is not a dashboard tour. A question becomes a plan, the plan collects evidence, and the evidence returns as a bounded receipt the coach can use next time.

Coach
Why do I crash after lunch even when my sleep score looks fine?
We'll hold caffeine timing steady for seven days and watch afternoon energy, sleep pressure, and dinner follow-through. One question today: did the crash start before or after lunch?
Today

Evidence plan

Keep caffeine cutoff stableactive
Log the lunch crash in one sentencedue today
Walk before dinner if the crash startsoptional
Receipt

No verdict yet

Matched days
3
Confounders
short sleep, travel
Next action
collect comparable weekdays
Still collecting
The founder's own record · 2026-03-15 → 2026-04-27

I never rated my sleep on a 1-to-10 scale. The system extracted it from the conversation.

276
subjective rows
35
days of coverage
8
subjective metrics
Subjective metrics extracted from conversation: row counts and days of coverage per metric
MetricShare of rowsRowsDays
energy_level
4933
mood
4431
mental_clarity
4031
motivation
3928
stress_level
3324
soreness
2619
sleep_quality_subjective
2420
digestion_quality
2117

No forms. No scales. The coach reads the morning braindump and the structured rows fall out the back, each tied to the conversation it came from.

Decision ledger · 48 days of the same record

What got tested. What got kept. What got dropped. What got reassigned.

2 kept6 dropped1 reassigned2 addedselected rows below
Selected intervention decisions from the 48-day record
InterventionStatusWhy
Magnesium glycinate 420 mgReassignedSleep null. Vascular and autonomic arms moved. Kept the protocol, moved the verification outcome.
Ashwagandha 300 mg bedtimeDroppedMorning energy went flat the day after every dose. Pulled it.
Thiamax (TTFD) 200-300 mgKeptStrong supportive signal. Survives stack revisions.
Rucks (45 lb)DroppedDelta 0.8 bpm at matched pace. Reframed as anchor practice, intervals added.

The drop column is what most products will not show you. Adding to the stack is easy. Pulling something is the harder move, and it is the one that earns the trust.

“I thought walking and rucking were my cardiac base. 1,145 matched days said the real levers were weight and intensity, so the plan changed.”
Mark, founder · days matched on weight, training load, and cardiac data
Day 33 / 2026-04-12Real event · retold

On my best night of the program so far, the system told me to rest. I told it why it was wrong. It changed.

33.3ms RMSSD
H10 RMSSD · best to date
33.3 ms
Sleep
7.3 h
Subjective
“Feel really great”
Coach default
Sunday active recovery
User correction
Pushed back, cited individual data
Consequence
Rest recommendations now have to name their reason. A score alone can't call the day.

Day 1 → 90

Day 1The question enters in the user's language
Week 2Baseline forming, first evidence plan running
Day 30First keep and first drop, with limits visible
Day 60One read stays too noisy, so the next measurement changes
Day 90Patterns reviewed, one question still open
OngoingKids, travel, missed days, and stress become plan context

You're already paying for the experiment.

One wrong month of self-experimentation can cost more than DN1. Supplements, devices, lab panels, protocol time, and coach sessions are already part of the bill. The question is which parts are earning their place.

Supplement and protocol churn

Keep, drop, adjust, or test longer before the next wrong month compounds.

Devices, labs, and logs

Use them as evidence for the question you chose, not as default goals.

Coach and plan work

Carry the same source window, evidence tier, and next action across surfaces.

Paid pricing and refund terms are not live yet. The current public position is a planned offer, not an active price or guarantee claim.

Join the waitlist

We're inviting users in cohorts. Tell us what you're trying to figure out about your body and we'll be in touch when it's your turn.

We won't email you about anything else.

DN1 | No borrowed goals | ΔN1