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NAD+ and how it works

June 18, 20254 min read

How NAD+ Works: The Tiny Molecule with Big Benefits

Introduction:

  • You may have heard about NAD+ in health or wellness news.

  • It’s a natural substance found in every cell of your body.

  • NAD+ plays a big role in keeping you feeling energised and healthy.

  • Scientists call it a “coenzyme” – that means it helps other important processes happen inside your body.

  • As we age, our NAD+ levels drop, which can affect how we feel and function.

  • In this post, we’ll break down what NAD+ is, what it does, and why it matters – in simple terms.

an image of NAD+ shot

What is NAD+ and what does it do?

  • NAD+ stands for Nicotinamide Adenine Dinucleotide – but don’t worry, you don’t need to remember the full name!

  • It’s a special molecule made from vitamin B3 (niacin).

  • Your body naturally produces NAD+ and uses it in every single cell.

  • NAD+ helps your body with two main jobs:

    • Turning food into energy

    • Repairing and protecting your cells

  • Think of NAD+ like a helper that supports important work in your body – without it, your cells would slow down or stop working properly.

  • NAD+ is essential for staying energised, focused, and healthy as you grow older.

How NAD+ Turns Food into Energy

  • Every time you eat, your body breaks food down into smaller parts like sugar and fat.

  • But your body can’t use this fuel without help – that’s where NAD+ comes in.

  • NAD+ helps your cells turn these food particles into usable energy.

  • This process happens inside tiny parts of your cells called mitochondria (also known as your body’s “powerhouses”).

  • Without enough NAD+, your cells can’t make energy properly, and you may feel:

    • Tired or drained

    • Sluggish or unfocused

    • Low on stamina

  • So, NAD+ is like a spark plug for your cells – helping them stay powered and active all day long.

 

3.    How NAD+ Supports Cell Repair

  • Every day, your body’s cells face stress from things like pollution, sunlight, lack of sleep, and even normal aging.

  • This stress can damage your cells over time – but NAD+ helps fix that.

  • NAD+ works with special proteins called sirtuins, which help:

    • Repair damaged DNA

    • Protect your cells from stress

    • Keep your cells working properly

  • This repair process is important for staying healthy and ageing well.

  • When your NAD+ levels are high, your body can fix itself more easily.

  • When levels are low, repair slows down, and you may notice signs like:

    • Feeling older than your age

    • Slow healing

    • Increased tiredness or brain fog

  • In simple terms, NAD+ helps your body heal and protect itself from everyday damage.

 

4.    NAD+ Helps Your Brain and Body Communicate

Your brain and body are always talking to each other using signals.

NAD+ helps these signals move smoothly between cells, especially in the brain and nervous system.

This helps with:

·       Clear thinking

·       Good memory

·       Better focus and mood

NAD+ also supports communication between muscles and organs, helping your body respond quickly and stay balanced.

When NAD+ levels drop, messages between cells can slow down, leading to:

·       Brain fog

·       Memory issues

·       Feeling mentally tired or unfocused

Think of NAD+ as a messenger assistant—it keeps your brain and body connected and working well together.

5. NAD+ Levels Drop as We Age

  • When you're young, your body makes plenty of NAD+ on its own.

  • But as you get older, your NAD+ levels naturally go down.

  • This drop can start as early as your 30s and continues with age.

  • Lower NAD+ levels can lead to:

    • Feeling more tired

    • Slower recovery after exercise or illness

    • More visible signs of aging (like wrinkles or less energy)

    • Difficulty focusing or remembering things

  • The good news? Many people are now using NAD+ supplements or injections to help boost their levels.

  • These treatments may support energy, focus, and healthy aging by restoring what the body is missing.

Conclusion:

·       NAD+ may be small, but it plays a big role in your health.

·       It helps your body make energy, repair itself, and stay sharp as you age.

·       Understanding how NAD+ works is the first step to taking better care of your health and wellbeing.

Have questions or thoughts about NAD+?
Leave a comment below — we’d love to hear from you!

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FLORYNCE

Executive Assistant (Total Therapy London)

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