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NAD+

NAD+ vs NMN: What’s the Difference and Which Is Better?

Georgina Glenn, Registered Nurse August 28th 2025

NAD+ vs NMN: What’s the Difference and Which Is Better?

Interest in longevity and healthy ageing is growing. And two key supplements are taking centre stage: NAD+ vs NMN. Both play an important role in cellular energy, brain function and comfortable ageing but which one is right for you? Here, we explore the two including the science, benefits and key NMN and NAD+ differences. That way, you can make an informed decision so keep scrolling to find out more.

What Is NAD+ and Why Does It Matter?

NAD+, short for Nicotinamide Adenine Dinucleotide, is a molecule found in every cell of your body. It’s a coenzyme that helps convert nutrients into energy, supports DNA repair and regulates essential processes within the body such as metabolism and brain function.

NAD+ levels decline with old age. Some studies have even found that they can reduce by as much as 50% by middle age and even more later on. Not only does this have an effect internally but also externally and physically – and is why some people experience less energy, cognitive decline and more health concerns as they get older.

Because of this, boosting NAD+ levels has become a hot topic in the health and wellness industry. Not just with the older generation but also those looking to combat fatigue, support brain health and promote overall longevity. This is where NAD+ supplementation and its precursors like NMN come in.

NMN Benefits

Nicotinamide Mononucleotide is a direct precursor to NAD+. This means your body converts NMN into NAD+ through various biochemical reactions. So, if you want to boost NAD+ production in your cells, NMN is a popular way to do this naturally.

Unlike NAD+, which can sometimes be slower to deliver into your cells through oral supplements, NMN is small enough to be absorbed easily and then converted into NAD+ once it’s inside the body. This is why so many people are choosing NMN.

What Is NAD+ and Why Does It Matter?

How NAD+ and NMN Work in the Body

Both NAD+ and NMN are used to increase NAD+ levels in the body but they work very differently, which is why some people choose to administer NAD+ through injections, which can be done at home. NMN supplements are usually taken as capsules, powders or liposomal forms. This means it’s absorbed into the gut and transported into cells, where it is then naturally converted into NAD+.

NAD+ is ideal for those who want a noticeable change in their energy and recovery, or intensive detoxification. NMN supplementation, on the other hand, has a more gradual yet sustained effect on NAD+ levels. This makes it a great option for those prioritising their long-term health and looking for more comfortable ageing!

Supplementation: Which Is More Effective?

The effectiveness of NAD+ and NMN depends on the delivery method and your overall health goals. NAD+ supplementation typically happens via injection or tablets. NMN supplementation is most commonly through oral capsules and powder, which are easy and convenient. But liposomal NMN guarantees improved absorption compared to standard capsules.

So, what does the research say? NAD+ and NMN supplementation can increase NAD+ levels but studies suggest that NMN is more cost-effective and easier for everyday use. NAD+ injections, on the other hand, may provide a more immediate boost for energy, cognitive clarity and recovery.

NAD+ vs NMN: Which is Better?

The best decision for you will come down to your goals and lifestyle.

NMN could be the right choice if:

  • You want a steady and sustainable increase in NAD+
  • You prefer oral supplements
  • You are focusing on anti-ageing and long-term health

Alternatively, NAD+ could be right for you if:

  • You want quick results for fatigue, recovery or mental clarity
  • You don’t mind IV therapy or sublingual delivery
  • You need an intensive boost

For many people, combining or alternating the two offers the best results. For example, you might use NMN for daily maintenance and NAD+ injections occasionally for intensive support, but this is entirely person dependent.

We do recommend that you consult your healthcare professional beforehand to ensure the right decision as well as safe and optimal results. It’s also important to remember that any supplements used should be done so alongside a healthy diet and lifestyle.

 

NAD+ vs NMN: Which is Better?

Invest in Your Cellular Health

When it comes to supplements, including NAD+ vs NMN, there really isn’t a one-size-fits-all. NMN is a convenient approach with long-term benefits and NAD+ delivers immediate results.

Both, however, play a crucial role in restoring cellular energy and promoting healthy ageing. So, if you’re ready to take control of your longevity, why not explore our range of premium NAD+ supplements in the UK and discover the right solution for your health goals today!

 

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