Here's The Test Results
NMN is made to help increase NAD levels and you can do a test to see this. Both co-founders did the test before and after talking Element 5 NMN and completed the NAD tests which both showed increase of 2.3X

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NMN is currently being studied for its role in supporting cellular processes like energy metabolism.
NAD+ is essential for many cellular functions, including those related to metabolism and repair.
Whether you’re at work, in the gym, or on the go, your body relies on healthy cellular function.
As we age, NAD+ levels decline. NMN is being studied for its potential role in maintaining healthy cellular processes.
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FAQ
It’s completely up to you - choose a time that fits your routine.
Many customers prefer to take NMN in the morning, but it can be taken at any time of day.
NMN can be taken with or without food; a glass of water is all you need.
Once ingested, NMN is absorbed into the bloodstream and transported into cells through a protein called SLC12A8.
Inside the cell, it is converted into NAD⁺ a coenzyme involved in many biological processes.
This transport mechanism was described in a 2019 study published in Nature Metabolism by Dr. Shin-ichiro Imai’s team, which suggested that NMN can be taken up directly by cells without first converting to NR which was the accepted notion prior.
Research continues into how NMN uptake varies across different tissues, particularly in those with high NAD⁺ turnover, such as the brain, muscles, and liver.
NMN doesn’t typically produce fast or obvious effects and experiences can vary from person to person.
Some studies have explored changes in NAD⁺ levels after consistent use for 8 to 12 weeks, and these findings vary depending on dosage and individual factors. Some of which we have linked on theScience Page.Some users choose to track their progress usingintracellular NAD⁺ tests, taken before and after supplementation.
his can provide a more objective way to understand how NAD⁺ levels may respond over time.
Like with nutrients such as vitamin D, you may not always “feel” a difference - but that doesn’t mean important processes aren’t happening in the background.
The NAD+ molecule is too large to pass through cell membranes efficiently. NMN, being smaller and transported directly into cells, is a more effective precursor.
Analogy:
Imagine NAD+ as a fully assembled sofa—it won’t fit through the door. NMN acts as the smaller pieces, easily carried into the house and reassembled into NAD+ where it’s needed.
The recommended dose for Element 5 NMN is 500 mg per day (one capsule), taken in the morning with water.
Study Evidence:
A study published in Frontiers in Nutrition demonstrated that 250 mg of NMN nearly doubled NAD+ levels in humans over 12 weeks. NAD+ levels returned to baseline within 4 weeks after stopping supplementation.
other study observed significant NAD+ increases with daily doses of 300 mg, 600 mg, and 900 mg. Improvements in muscle endurance (measured by a 6-minute walking test) with those at higher dosages walking further. As well as perceived health was greater at higher doses at 30 days compared to 300mg dosage.
This evidence suggests consistent NMN use at 600 mg/day for 30–60 days may yield measurable benefits.
NAD+ (Nicotinamide Adenine Dinucleotide) is a naturally occurring coenzyme found in every living cell.
It plays a key role in cellular processes such as energy metabolism and is involved in important biological pathways like sirtuin activation.
Scientists continue to study NAD+ for its role in maintaining healthy cellular function, especially as levels are known to decline with age.
NR (Nicotinamide Riboside) is another NAD+ precursor that is converted into NMN in the body before eventually forming NAD+.
NMN enters the NAD⁺ biosynthesis pathway at a later stage, meaning it may bypass one conversion step.
NAD+ is a coenzyme found in all living cells. It plays a central role in cellular energy metabolism and is involved in processes related to cellular maintenance and stress response.
Research is ongoing into how NAD+ interacts with proteins like sirtuins, which are being studied for their role in healthy aging and cell regulation. Scientists are particularly interested in how NAD+ levels change over time and their potential relationship with cellular health.
NMN is found in small amounts in foods like edamame, broccoli, cabbage, avocados, and cucumbers. However, the natural content is quite low.
For example, edamame contains about 1.8mg of NMN per 100g - so to reach a 500mg daily dose, you’d need to eat roughly:
That’s why many people interested in NMN choose to take it in concentrated supplement form.
Yes! Here’s what you can expect:
Notes:
This is one of the most common questions we get - and we understand why. A lot of online marketing promises fast results, but NMN doesn’t work like that.
NMN is a precursor to NAD+, a molecule naturally found in your body that’s involved in cellular energy and maintenance. The purpose of taking NMN is to support NAD+ levels over time, not to create instant, noticeable effects.
Everyone responds differently. Some people feel a difference quickly, others don’t feel anything at all - but that doesn’t mean it’s not working at a cellular level.
That’s why we don’t recommend measuring progress by how you “feel” after a few days or weeks. Instead, we suggest a more objective approach:
Remember: the goal is to maintain higher NAD+ levels over time - so your body has what it needs to support cellular health in the long run.
As we age, NAD levels in the body naturally decline. It has been reported in scientific literature that NAD+ levels decline significantly by age 55 to be around half of what they were in early adulthood. NMN (Nicotinamide Mononucleotide) is a compound found in the body and is a direct precursor to NAD⁺. Researchers are actively studying NMN for its role in cellular energy metabolism and healthy aging. While the science is still evolving, early studies have explored its potential connection to mitochondrial function and cellular processes.
Any references to the relationship between NMN and NAD+ are made in the context of publicly available third-party studies, and we do not present these as authorised health claims under Regulation (EC) No 1924/2006.
Buy NowAt Element 5, we believe in transparency and curiosity. That’s why our founder decided to test his intracellular NAD⁺ levels after consistently taking Element 5 NMN as part of his routine. The results showed a reading of 40.4 µmol/L - a figure above the average range for his age group.
⁺
While we can’t claim NMN was the sole cause and this personal experiment isn’t clinical proof, but it offers an interesting insight into ongoing research around NMN and NAD
After the last NAD test some asked that we test NAD before and after taking Element 5 NMN. Both co-founders, Jonny and Jack committed to the trial with Jonny for 1 month and Jack for 2.
NMN is made to help increase NAD levels and you can do a test to see this. Both co-founders did the test before and after talking Element 5 NMN and completed the NAD tests which both showed increase of 2.3X
Zero fillers that cause stomach upset, with purity levels so high there’s no room for anything but NMN, Plus transparent lab testing so you can confirm it is exactly what it says it is.
Every bottle comes with 60 capsules. Actually we fill it to 60.5 capsules so some people get a bonus capsule this means that we always give you exactly what we say we are.
With hundreds of glowing reviews and thousands of happy customers we know you’ll love it as much as they do. But if you don’t we have a 120 day guarantee.
Every batch of Element 5™ NMN is rigorously tested to ensure it is safe and meets the highest quality standards.
We believe lab testing isn’t a marketing tool - it’s a responsibility. In the UK, product testing is standard for high-quality supplements, and we’re committed to upholding that standard so you can have full confidence in what you’re taking.
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The reviews shared above reflect the personal opinions of Element 5 customers. These testimonials should not be considered medical advice or health claims. Images used alongside reviews may, in some cases, be AI generated or illustrative.