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Fénix Methode

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LongevityWeak evidence

NADH / NAD+

Also known as: nicotinamide adenine dinucleotide, NAD+, NADH

NAD+ and its reduced form NADH are coenzymes that cells need for energy production and repair processes; their levels decline with age. Supplements offer NADH/NAD+ directly or their precursors, but human evidence of benefit is still limited.

What it is used for

  • reducing fatigue (e.g. in chronic fatigue syndrome) – weak evidence from small studies
  • support for 'longevity' and cellular energy – evidence mainly from animal studies
  • cognitive function – weak and inconsistent evidence

Forms and how they differ

NADH tablets or liquid NADH

unstable, sensitive to light and moisture

liposomal NAD+

marketed for better absorption, independent evidence is lacking

precursors (nicotinamide riboside, NMN)

better studied for raising blood NAD+; in blends check the doses on the label

When to take it

In the morning on an empty stomach or as on the label; may be mildly stimulating.

Pairs well with

Exercise, enough sleep and a diet with sufficient vitamin B3.

Do not combine / separate

Avoid stacking several NAD+ precursor products and high-dose niacin.

Watch out for

Safety data in pregnancy and breastfeeding are lacking. If you have cancer, liver or kidney disease, or take medicines, consult your doctor.

Safety

Usually well tolerated short term; long-term safety is not well studied – do not exceed the label dose.

Practical tip

Be wary of big anti-ageing promises – human evidence in this area is still limited.

Products containing NADH / NAD+ 3

NADH / NAD+liposomal NAD+EnergyLongevityBrain & memory
NADH / NAD+ + Nicotinamide riboside 750 mgnicotinamide riboside blend · 750 mg / capsuleEnergyLongevityBrain & memoryBlood sugar & metabolism
NADH / NAD+ 40 mgliposomal · 40 mg / servingEnergyLongevityBrain & memory
How to read the evidence rating
Strong evidenceModerate evidenceWeak evidenceNo evidence

Strong = several good human studies or official recommendations; moderate = promising but smaller studies; weak = few studies or mixed results; no evidence = claims not confirmed.

Combination check

Select the supplements you take and, if relevant, your medicines. We show what interferes, what needs a time gap and what to watch out for.

Check NADH / NAD+ with others

Which supplements do you actually need?

Fénix Methode picks them from your blood results and schedules when to take what – no needless purchases.

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From the same group

Agaricus blazeiWeak evidenceAlpha-lipoic acidModerate evidenceAstaxanthinWeak evidenceCoenzyme Q10Moderate evidenceDNA protection blendNo evidenceErgothioneineWeak evidence
Important notice

This information is educational and does not replace advice from a doctor or pharmacist. We do not give medicine dosages. Supplements are no substitute for a varied diet; if pregnant, breastfeeding, ill or on medication, consult a doctor first.