Back for another look?
£94/mo contains €369 of lab work, blood analysis and nutrition planning you'd otherwise buy separately, at typical EU prices.
Including €150 shotgun sequencing. Free, every plan.
First month paid at order
€150 sequencing, free
Shotgun metagenomic, species level, every plan
Blood biomarker panel
From cycle 2 on Advanced
Nutritionist meal plan
Built around your results
Reformulated every 16 weeks
Re-sequenced and rebuilt on Advanced
The stack
The sequencing alone nearly covers your first month and a half. You never pay for it.
Struck prices are standalone or typical EU estimates. Blood panel and reformulation are part of Advanced.
Five reasons
A generic probiotic is a statistical guess applied to a biological individual. Prescription lenses vs. the pharmacy stand.
Three products for three symptoms is how the spend piles up without results.
Same pill, two people, two outcomes. Neither got the dose they needed.
That’s why the €150 sequencing comes first, free. It’s the only rational place to begin.
Not one-off fixes. On Advanced the formula is rebuilt every 16 weeks as your data changes.
The first four weeks
Week 0
A two-minute gut sample at home, returned in the same box. Postage included.
Weeks 1–2
Your €150 analysis runs and your formula is drafted from it.
Week 3
Your formula is signed off and goes into production. Your first month is already paid.
Already paid Week 4
Thirty days, blister-packed by dose. Then it repeats.
The honest comparison
| Generic probiotic | Buying it yourself | nb1 | |
|---|---|---|---|
| Species-level sequencing | — | €150 | Free |
| Formula built for your gut | — | — | ✓ |
| Nutritionist meal plan | — | €120 | Included |
| Blood biomarker panel | — | €99 | Advanced |
| Reformulated every 16 weeks | — | €150/cycle | Advanced |
| Built from your own data | No | No | Yes |
| First-month total | €40 | €409+ | £94 |
Generic probiotic: typical pharmacy price, no data, no personalisation. Buying it yourself: sequencing €150 + blood panel €99 + nutritionist plan €120 + a quality supplement ~€40, typical EU prices. Blood panel and per-cycle reformulation are part of Advanced.
From members
"I’d paid €140 for a gut test elsewhere and got a PDF. Here the same analysis is included, and it actually shapes what’s in my formula. That made the price click for me."
Daniel R. Core · month 4
"I was spending around €70 a month on supplements I’d picked myself. One formula built on my own results replaced all of them. Simpler, and I finally feel a difference."
Marta L. Advanced · month 6
"Getting re-tested after the second cycle and seeing my numbers improve is what made the price feel justified. The formula changes with you. That’s the part I’d miss anywhere else."
Joris V. Advanced · month 8
Start here
£94 /mo
4-month cycle. £99/mo month-to-month.
£144 /mo
Four-month cycle. Gut and blood.
First month paid at order. Full refund if you cancel within 14 days of your kit arriving and return it intact.
Before you decide
Because it isn’t one. £94 contains €150 of sequencing, a formula manufactured for you, and a nutritionist meal plan built around the results. The sequencing alone, bought separately, costs more than your first month.
You’re never billed for it, on either plan, every cycle it runs. It isn’t a promotion. The analysis is how your formula gets built, so it can’t be optional.
When you order. Your first month is paid at checkout and your kit ships as soon as the payment goes through. Later months are charged before each delivery.
Four months is the minimum window biological change can be measured in, not a contractual lock. It’s also why the cycle price is £94 instead of £99 month-to-month.
Cancel within 14 days of your kit arriving and send the kit back intact for a full refund. After that, Core month-to-month cancels anytime.