NAD Index Test (nicotinamide adenine dinucleotide) is a vital coenzyme that fuels mitochondrial energy, supports DNA repair, and plays a key role in healthy aging. But as we age — or face chronic stress, poor sleep, illness, or alcohol exposure — NAD⁺ levels naturally decline. This can lead to fatigue, brain fog, slower recovery, and reduced cellular performance.
Our NAD+ Index Test is an advanced at-home blood test that uses a dried blood spot (DBS) sample to measure a comprehensive panel of biomarkers in the NAD+ pathway. These include:
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NAD+ – your primary energy coenzyme
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NADH – the reduced form involved in ATP production
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NADPH & NADP – key markers of antioxidant function and biosynthesis
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Nicotinamide (NAM) & Nicotinic Acid (NA) – vitamin B3 metabolism markers
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NAD+:NADH and NADP:NADPH ratios – indicators of mitochondrial and redox health
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NAD+/NADP Index – a reflection of B3 sufficiency and metabolic status
Whether you’re supporting longevity, using NAD+ precursors (like NMN or NR), or managing recovery and energy, this test gives you clear, actionable insights into your cellular health.
With these insights, individuals can make informed decisions about their dietary habits and supplementation to support overall well-being.
➤ See full details on the NAD+ Index Test page
The Test contains: Dried Blood Collection Card, Lancet, Alcohol Pad, Bandage, Gauze Pad and Pre-Paid return envelope.