Find your starting point

Where do you want to start?

Pick what fits today — test your cells, shop what's live, or get notified when new categories launch.

2-minute check · no email required

How much of your health are you actually measuring?

Eight questions. At the end you will see exactly which parts of your health you are measuring, and which parts you are guessing at.

Question 1 of 8

NAD⁺ test

Stop guessing why you feel run down.

If you're tired of generic advice, this at-home test gives you a personal starting point. Collect a small sample at home, get lab-backed NAD⁺ results, and see clear next steps you can discuss with your doctor or coach — without the jargon.

DNA Skin Care

Your DNA. The world's most personal skincare


Most skincare is built for the average face. DNA Skin is different. A one-time genetic test that reveals how your skin ages, reacts and repairs — and what to do about it.

Why Bien-Etre

Proof first. Promises second.

We built Bien-Etre for people who want measurable answers — starting with NAD⁺ — before they spend on products that might not fit. Test. Understand. Then choose what's right for you.

From your door to your results — in five simple steps

No clinic visit. No guesswork. Just a clear path you can follow at home.

  1. Step 1

    Order your kit

    It arrives at your door with simple instructions — you'll know exactly what to do before you open the box.

  2. Step 2

    Collect at home

    A quick finger-prick takes minutes. Seal the sample and pop it in the prepaid return envelope.

  3. Step 3

    Lab analysis

    Accredited labs run validated NAD⁺ testing — the same rigour you'd expect from clinical diagnostics.

  4. Step 4

    Results you can actually read

    Your report explains your levels in plain language — with suggested next steps to discuss with your healthcare provider.

  5. Step 5

    Improve and re-test

    When you're ready, test again to see how your levels — and your routine — are changing.

Ready to see your number?

Take the NAD⁺ test thousands use as their starting point — then decide what's right for you.