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Nutrition et vieillissement

NR-NAD

NR is a nutrient increasing NAD+ levels, a key energy molecule.

Definition

Nicotinamide riboside (NR) is a precursor to the essential NAD+ (nicotinamide adenine dinucleotide) molecule involved in cellular metabolism and energy production. NAD+ declines with age.

How it works

NAD+ is a fundamental coenzyme involved in more than 500 metabolic reactions, including cellular respiration and DNA repair. NAD+ levels decrease by approximately 50% between 20 and 60 years, contributing to aging. Nicotinamide riboside (NR) is a nutrient that stimulates NAD+ synthesis in cells. Increasing NAD+ improves mitochondrial function, cellular energy, and sirtuin activation.

Role

NR restores NAD+ levels to support cellular energy, DNA repair, and anti-aging protein activation.

Examples

  • Nicotinamide riboside supplements
  • Cow's milk
  • Whey
  • Beer yeast

Recommendations

Integrate natural NR sources in your daily diet, such as dairy products and beer yeast. Consult a healthcare professional before taking NR supplements. Combine with regular physical activity for optimal effects.

Key takeaway

Increasing NAD+ through NR revives cellular energy and anti-aging defenses.

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