Clinical-grade test
NAD⁺ Intracellular Test
Know your cellular baseline before you change anything. At-home intracellular NAD⁺ testing — accredited lab analysis, plain-language results in about 7-10 days.
- Measures intracellular NAD⁺
- Processed in accredited CLIA partner laboratories
- Plain-language digital report in 7-10 days
- Ideal first step before changing supplements or habits
Free shipping · Free sample collection
Most blood tests estimate NAD⁺ indirectly. This test measures intracellular NAD⁺ and NADH — what is actually happening inside your cells.
- Intracellular NAD⁺ level
- Intracellular NADH context
- Age-context insight
- Plain-language next steps for your provider
1. Order your kit — delivered to your door. No clinic visit.
2. Collect at home — a quick finger-prick, under five minutes.
3. Send to the lab — prepaid return packaging to accredited UK partner laboratories.
4. Get your results — typically within about 7 days of the lab receiving your sample.
NAD⁺ supports the cellular processes behind energy, repair, and resilience. Levels often change with age and lifestyle — which is why measuring inside your cells matters more than guessing from symptoms alone.
Standard blood panels rarely measure intracellular NAD⁺ and NADH. This test shows what is happening where it counts — so you and your provider can decide what is right for you.
This test is for you if you want data before changing supplements, feel run down despite training well, or are investing in longevity and want a measurable baseline.
- Energy optimisers checking recovery and focus
- Longevity seekers building a personal protocol
- Informed supplementers validating NMN or NR routines
- Your NAD⁺ score — measured against validated reference ranges
- NADH context — how your cells are using NAD⁺ today
- Personalised guidance — suggested next steps to discuss with your provider
- PDF download — share with your doctor or practitioner
Your sample is analysed using validated intracellular NAD⁺ protocols in accredited partner laboratories. Results are educational — always review them with your healthcare provider before making health decisions.
Retest every 8–12 weeks when you change your protocol to track progress over time.
Why Bien-Etre
Precision you can rely on
Accredited laboratories
Samples processed in CLIA-certified partner labs using validated intracellular NAD⁺ protocols — clinical-grade analysis, not guesswork.
GMP manufacturing
Supplements are produced in GMP facilities with full ingredient transparency. Educational insight only — this is not medical advice.
Science-led protocols
Built on published research and transparent methods. Always review your results with your healthcare provider before making health decisions.
Satisfaction guarantee
If something is not right with your order or results experience, contact us — we will make it right.
Common questions
Everything you need to know
Take the first step
Your biology isn't a guess. Treat it that way.
Start with your cellular baseline — then build a protocol that is actually personal. Beyond average. Beautifully personal.
Free shipping · Accredited lab · Results in 7-10 days · Educational use only — consult your doctor