Measure your NAD level from home

A finger-prick blood spot test that measures the total NAD in your blood and shows where you sit against people of your age and sex. Useful as a baseline, or to see whether a precursor like NMN or NR is changing your level.

  • 1finger-prick
  • 5result bands
  • 2 wksfor results
  • Freereturn postage
Five-band NAD result scaleA gauge with five bands from low to elevated. The needle points to the optimal band in the middle. LowOptimalElevated
  • Low
  • Low–normal
  • Optimal
  • High–normal
  • Elevated
A cell with mitochondria producing energy

What is NAD?

NAD (nicotinamide adenine dinucleotide) is a molecule found in every cell. It helps turn food into energy, and enzymes involved in DNA repair rely on it.

Research suggests NAD levels tend to fall with age, which is why many people take precursors such as NMN or NR. This test gives you an actual measurement instead of a guess.

More about what the test measures

Made for people who track their health

Whether you're training for an event or taking supplements for healthy ageing, a measured baseline beats assumptions.

A man running through a city A woman meditating on a beach at sunset A mountain biker riding over rocks A woman in boxing gloves training

What this test can and can't tell you

It's a wellness test that measures one thing well. Here's what that means in practice.

It can

  • Measure the total NAD in your blood
  • Show where you sit against people of your age and sex
  • Give you a baseline before starting an NAD precursor
  • Show whether your level changes while taking one

It can't

  • Diagnose any condition, or explain tiredness
  • Measure your biological age or predict lifespan
  • Show that changing your level improves your health
  • Separate NAD+ from NADH

Know your number

One finger-prick at home, and a result placed against people of your own age and sex.

  • Total NAD in capillary blood, in µmol/L
  • Five-band result, matched to your age and sex
  • CE-marked kit, analysed by a licensed clinical laboratory
  • Results within 2 weeks, with prepaid return postage
£249

NAD Level Test, home blood spot

Order the NAD test

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£249NAD Level Test, blood spot
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