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NADH - safety and side effects

NADH stands for nicotinamide adenine dinucleotide hydride and is a substance found in every cell in our body. Often offered as a dietary supplement, NADH is said to help increase energy and improve mental performance. But how safe is taking NADH and are there any side effects?

Safety from NADH

NADH is considered safe when taken in recommended amounts. However, an overdose can lead to undesirable side effects. It is important to stick to the recommended dose and follow the manufacturer's instructions. Individuals with certain health conditions should not take NADH without first consulting a doctor.

Side effects of NADH

Most people who take NADH do not experience any side effects. However, in rare cases, the following symptoms may occur:

  • nausea
  • stomach pain
  • Diarrhea
  • Headache
  • sleep disorders

If you notice these symptoms, you should stop taking NADH immediately and consult a doctor.

Official health claims

There are few official health claims about NADH . However, the European Food Safety Authority (EFSA) has approved some claims related to NADH . Here are some examples:

  • NADH helps reduce tiredness and fatigue.
  • NADH contributes to normal energy metabolism.
  • NADH contributes to the normal functioning of the nervous system.


NADH is a safe substance when taken in recommended amounts. There is little official health information about NADH , but there is evidence that NADH may reduce tiredness and fatigue and support energy-yielding metabolism and nervous system function. Anyone who wants to take NADH should follow the manufacturer's instructions and consult a doctor immediately in the event of side effects.

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