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The Relationship Between NAD+ and Human Life and Its Importance

LifeXpan Admin

The Relationship Between NAD+ and Human Life and Its Importance

If you think longevity is simple, think again. Longevity depends on many factors: habits, diet, physical exercise, stress, and, above all, how we relate to our own body.

Various questions have led us to investigate how we can improve these processes more efficiently and what concrete actions we can take to improve our wellbeing.

Longevity doesn't always mean living more years. At LifeXpan, as our name suggests, we seek to "Expand Life". Our goal is to live the present moment better, making sure that every moment here is in the best possible condition. This led us to better understand how the body's energy systems work, key to all processes, from protection (immunology) to generating movement and mental functioning (the conjunction of forces).

Let's get to a key point: what is NAD+ and what is its role in longevity and health?

What is NAD+?

NAD+ (Nicotinamide Adenine Dinucleotide) is an essential coenzyme present in all living cells. It plays a crucial role in various biological functions, including energy production, DNA repair and the regulation of circadian cycles.

Its main function: supporting sirtuins

Sirtuins are a family of proteins that play a crucial role in regulating cellular longevity and DNA repair. These enzymes depend on NAD+ for their function, which means adequate NAD+ levels are essential to maintain DNA integrity and protect against genetic damage.

According to this scientific article "NAD+ and sirtuins in ageing and disease (europepmc.org)", here's a summary:

  • Function of NAD+: NAD+ is a classic coenzyme involved in many redox reactions and regulates enzymes such as sirtuins and PARPs.
  • Decline with age: NAD+ levels decrease with age, which can cause defects in nuclear and mitochondrial functions, resulting in pathologies associated with ageing.
  • NAD+ supplementation: Restoring NAD+ levels through supplements can significantly improve the functional defects associated with ageing and help combat neurodegenerative diseases.
  • Anti-ageing intervention: Combining sirtuin activation with NAD+ supplementation may be an effective intervention against ageing.
nad+ beneficios

The image is inspired by longevity itself, like an old photograph that keeps its youthful appearance.

Key Functions of NAD+

  1. Energy Production:

  2. DNA Repair:

    • NAD+ activates sirtuins, a group of enzymes that play a crucial role in DNA repair and the regulation of cellular longevity. Sirtuins depend on NAD+ for their function, which means adequate NAD+ levels are essential to maintain DNA integrity and protect against genetic damage.
    • References: MIT: NAD+ and sirtuins in aging and disease (mit.edu)

  3. Regulation of Circadian Cycles:

    • NAD+ influences circadian rhythms, the biological cycles that regulate sleep, wakefulness and other physiological processes. Disruption of these rhythms can affect overall health and wellbeing.
    • References: Science

  4. Maintenance of Metabolic Health:

    • NAD+ is crucial for metabolic health. It takes part in regulating the metabolic pathways that control fatty acid oxidation and glycolysis. Adequate NAD+ levels help prevent metabolic diseases such as obesity and type 2 diabetes.
    • References: Cell Metabolism

  5. Immune Function and Oxidative Stress:

    • NAD+ plays a role in the immune response and the reduction of oxidative stress. It helps modulate inflammation and protects against cell damage caused by free radicals.
    • References: The Journal of Immunology

Why is NAD+ Indispensable?

  1. Longevity and Ageing:

    • The decline in NAD+ levels with age is associated with various aspects of ageing and related diseases. Maintaining healthy NAD+ levels can help mitigate these effects and promote a longer, healthier life.
    • References: Trends in Cell Biology

  2. Disease Prevention:

    • Adequate NAD+ levels are essential for preventing neurodegenerative diseases such as Alzheimer's and Parkinson's. They help maintain neuronal health and protect against cellular degeneration.
    • References: Journal of Neuroscience

  3. Cell Regeneration:

    • NAD+ is crucial for cell regeneration and tissue repair. This includes DNA repair and the regeneration of damaged cells, which is vital for recovering from injuries and maintaining cellular health.
    • References: Cell

NAD+ is a vital coenzyme that influences numerous biological processes essential to human life. Its role in energy production, DNA repair, circadian rhythm regulation and metabolic health maintenance makes it indispensable for health and longevity. The decline in NAD+ levels is associated with ageing and various diseases, underlining the importance of maintaining adequate levels of this coenzyme throughout life.