Five sections, about eight minutes. No blood test needed.
Your indices
Metabolic healthNo data yet
Silent inflammationNo data yet
Inflammation resistanceNo data yet
CardiovascularNo data yet
Body compositionNo data yet
Eating4 of 12
How many days a week do you drink alcohol?
Section complete
Eating, done
Four sections left. Your first score appears after the last one.
Questionnaire1 of 5
Your measurements
Your reference ranges depend on age and sex.
Blood values
4 of 12
Copy them from your lab report. Skip anything you can't find.
Metabolic health
Glucose, fastingmmol/L5,2
HbA1cmmol/mol34
Triglyceridesmmol/L1,1
Insulinpmol/L
Silent inflammation
hs-CRPmg/L2,8
Ferritinµg/L
Homocysteineµmol/L
Cardiovascular
HDL cholesterolmmol/L
LDL cholesterolmmol/L
ApoBg/L
hs-CRP
A marker of low-grade inflammation.
Higher than we'd expect. Check the number and the unit on your report.
Feeds silent inflammation and inflammation resistance.
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Jenna De Rosnay
Age 57 · — days
68of 100
No blood values yet
5479
Could be 54 to 79 — blood values will narrow it
Weight 95 kgBMI —
Add your blood values
12 values, about five minutes. Unlocks four indices.
Your indices
Inflammation resistanceNeeds 2 blood values
Your health plan
Three changes, in the order that moves your score most.
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Jenna De Rosnay
Age 57 · — days
72of 100
PoorExcellent
Weight 95 kgBMI —12 March
Your indices
Your health plan
Three changes, in the order that moves your score most.
Your weakest index
Silent inflammation
64of 100
Measured from
hs-CRP2,8 mg/L4/10
Ferritin180 µg/L6/10
Homocysteine9,1 µmol/L8/10
Scored against the reference range for your age and sex.
What moves it
AlcoholFive days a week3/10
Sleep6.2 hours5/10
Movement4.200 steps a day4/10
Metabolic health
74of 100
Based on three of six values.
6183
The range shows where this lands if the missing values come back at their best and their worst. We don't estimate them.
Glucose, fasting5,2 mmol/L8/10
HbA1c34 mmol/mol9/10
Triglycerides1,1 mmol/L7/10
InsulinNot entered—
HOMA-IRNeeds insulin—
ApoBNot entered—
Meal timingLast meal 21:404/10
Sugary drinksRarely9/10
hs-CRP
Measured 12 March 2026
2,8mg/L4 of 10
OptimalRaised
Your range is set for women aged 55 to 64.
Feeds silent inflammation and inflammation resistance.
Drink on two days a week
NowFive days a week3/10
TargetTwo days or fewer8/10
What this would move
Silent inflammation64 → 71
Your score72 → 76
Projected from the weights in your score. An estimate, not a promise.
Alcohol raises inflammatory markers and shortens deep sleep. Two dry days in a row do more than spreading the same amount thinner.
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Account
Signed in with Google as jenna@example.nl
Profile
Date of birth and sex at birth also set your reference ranges. Change them here and your score is recalculated.
My data
We couldn't calculate your score
Everything you entered is saved. Try again in a moment.
Your last answer didn't save. Retrying — keep this screen open.
Sign-in didn't complete. Try again, or use another Google account.
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Zaffire Concept
One score, built from your own blood and your own habits, read through one idea: your body was shaped for a life you no longer live.
We evolved at the water's edge For most of human history we lived by coasts, rivers and lakes. Fish and shellfish, plants, daily movement, light and dark in their natural rhythm. Our biology still expects that life.
Modern life is the mismatch Sitting, late light, eating all day, alcohol, a low hum of stress. None of it is dramatic. Together it keeps inflammation, blood sugar and blood fats slightly off, for decades.
Nothing is mandatory, much is allowed We don't do diets. One day a week, or three meals, are yours to eat and drink as you like. The other six carry the score. We call it 7/7/24.
A lens, not a verdict The score is not a diagnosis. It shows which of your habits your blood is already responding to, and in what order to change them. Three changes at a time, never more.
The five indices
One page each. Start with the one your score points at.
The seven rules
Every habit we suggest comes from one of them.
The science behind it
Remko KuipersCardiologist and researcher. Sets the reference ranges and the weights in the score.
Scientific advisory boardPhysiology, cell biology, neurology, oncology and sport science. Reviews the model four times a year.
Reference rangesBanded by age and sex, from peer-reviewed sources.
Versioned rulesEvery score is stored with the version of the rules that produced it. When the rules change, you are told.
Words we use
Short, because the score should explain itself.
Score Your headline number, 0 to 100. A weighted sum of the five indices. Higher is always better.
Index One of five areas of your health, each scored 0 to 100 from blood values and habits together.
Datapoint A single value: a blood marker, a measurement or an answer. Scored 0 to 10 against the range for your age and sex.
Coverage How many of an index's values you have entered. With partial coverage the score shows as a range, never a guess.
Silent inflammation Low-grade inflammation that has no symptoms. Measured with hs-CRP, ferritin and homocysteine.
Lever A habit that moves an index. Your health plan ranks the levers by how much they would move your score and how easy they are to change.
Sprint Fourteen days on one lever, with a daily check-in. At the end you update your answer and the score moves.
Habit A lever you have kept for more than a sprint. Checked once a week instead of every day.
7/7/24 Our one rule about rules: six days carry the score, one day is yours.
A low, steady immune response with no symptoms. It wears on blood vessels, joints and the brain over years, and it answers to how you live within weeks.
What it is
Inflammation is how the body repairs. After an injury it flares and settles. Silent inflammation never settles: a small, constant signal that keeps the immune system slightly busy all the time.
You don't feel it. It shows in the blood first, then, years later, in the heart, the joints and the brain. That is why it sits in the score before anything hurts.
Measured from
What moves it
AlcoholRaises inflammatory markers and shortens deep sleep. Two dry days in a row do more than spreading the same amount thinner.
SleepBelow seven hours, markers worsen within days. A fixed wake time is the lever that works for most people.
MovementRegular activity lowers hs-CRP. Twenty minutes after lunch is the easiest place to start.
Body fatFat around the organs releases inflammatory signals of its own. Waist size tracks it better than weight.
Have you ever been treated for an eating disorder?
Are you under medical care for weight, diabetes or your heart?
If either answer is yes, sprints with fasting or daily weighing stay off your plan. Everything else works as before.
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My data
Fuller and fresher data makes a sharper score. Three sources, each with its own clock.
Data completeness16 of 21 values
Under 30 days1 to 6 monthsOver 6 months
Lifestyle questionnaireYour lifestyle datapoints, five sections
3 of 5
✓Eating
✓Drinking
✓Sleep
4Movement
5Recovery
Answered 4 days agoAbout 8 minutes in total
Next: Movement6 questions · about 2 minutes · unlocks Body composition
Answers are re-asked after 90 days; blood values are worth retesting every 6 to 12 months.
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My buddy
Reads your data. Walks the habit with you.
Monday
Good morning, Jenna. Your silent inflammation moved 64 → 70 since March. Two dry days a week did most of that.
Vera · 07:40
Sleep is next. You're averaging 6.2 hours; seven would move the same index again. Want to try 14 days with a fixed wake time?
Yes, start Tuesday
Tuesday it is. One check-in a day, I'll ask at 07:30. Sunday stays yours: no questions on your free day.
Vera · 07:42
Today
Day 4. Did you wake at 06:45?
Your buddy uses your own data and Zaffire's rules. It doesn't diagnose. For symptoms, talk to your doctor.
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The Zaffire 7
Seven rules
Your body was shaped by millions of years at the waterside, and it still runs on what it was built for. Seven rules follow from that. Every habit we suggest comes from one of them.
1
Eating
Fresh and unprocessed, vegetables as the base, protein and fat mostly from the water — fish, nuts, seeds, olive oil. Nothing from a packet, jar or sachet, and far less starch and added sugar than a modern diet delivers.
2
Drinking
Thirst asks for fluid, not energy. You never drink calories — water or unsweetened tea, coffee black and none after 14:00, because it costs you that night's sleep.
3
Sleeping
Seven to nine hours, on your own biological clock — no more, no less. A dark room at 12–18 °C, no blue light in the evening, no caffeine for eight hours and nothing to eat or drink after 20:00. Lost sleep does not appear to be recoverable.
4
Moving
Half an hour of moderate effort daily, three days of hard effort and three of strength work across every muscle group — and just as important, less sitting: break every half hour, 500 steps after each meal, and move outdoors where you can.
5
Relaxing
We have inverted effort and rest: our ancestors rested by default and exerted themselves when needed. Put rest back in deliberately — a daily breathing exercise and a few minutes of meditation, plus long walks in nature with the phone away.
6
Social
People need a safe, meaningful place among others; loneliness costs sleep, health and years. Screens imitate it rather than provide it. Eat at one table, plan two evenings a week with the people close to you, and listen rather than wait to speak.
7
Cellular training
Your mitochondria divide energy between growth and repair, and that balance sets the pace of ageing. Short, deliberate stresses — fasting, cold, heat, breath work — shift it towards repair. No medicine yet matches what these simple habits do.
Underneath all seven: purpose and your surroundings. A reason to get up and an environment that makes the
healthy choice the easy one carry every rule above — which is why they are the foundation rather than an eighth rule.
7/7/24. Seven rules, seven days, and one day a week — or three meals —
where the rules are off. Nothing is compulsory, a lot is allowed.
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About Zaffire
Science-based, holistic, a health lifestyle movement. We make healthy living and ageing reachable for everyone.
The company Zaffire Health Technology B.V., founded in Den Haag in 2022 by Maxim Spek, Remko Kuipers and Hans-Poul Veldhuyzen van Zanten. We sell insight — a check-up and a dashboard — and the supplements that follow from it.
The science Remko Kuipers, cardiologist and researcher, author of Oerdieet and Oergezond. What binds the three of us is a shared fascination with one insight: humans evolved at the water's edge, and our bodies still expect that life. It's no coincidence that all three of us surf and windsurf. That insight is the lens behind every score. A scientific advisory board reviews the model four times a year.
What we promise Nothing is mandatory, much is allowed. Your data stays yours: export it or delete it any time. We don't diagnose and we don't sell your data.
Contact
Emailhello@zaffire.com
Webzaffire.com
Registered officeStationsplein 8, 2275 AZ Voorburg, the Netherlands · KvK 89118154