NMN certificates and independent testing

NMN certificates: why independent testing is important

Anyone buying an NMN supplement wants to know more than just what is on the label. Above all, you want to know if the product actually contains what it promises, if it is pure, and if it has been checked for potential contaminants. That is exactly why NMN certificates are so important. A good supplement does not start with marketing, but with transparency, measurable quality, and independent verification.

NMN, short for nicotinamide mononucleotide, is a substance involved in the body’s production of NAD+. NAD+ plays a role in normal cellular processes, including energy metabolism and various biological repair mechanisms. This is why NMN is popular within the world of longevity, healthy aging, and cellular energy. At the same time, it is important to remain realistic: NMN is not a miracle cure, not a medicine, and not a substitute for a healthy lifestyle. Precisely because interest in NMN is growing, quality control is becoming increasingly important.

At Every Day Better, we believe customers should have access to clear information regarding composition, purity, and safety. That is why we publish our test reports and explain what these reports mean. This allows you to judge for yourself what to look for when you want to buy NMN.

What is an NMN certificate?

An NMN certificate is often called a COA: Certificate of Analysis. This is an analytical certificate stating which tests have been performed on a product or batch and what the measured results are. A reliable certificate shows, for example, how much NMN is actually in the product, which analysis method was used, and whether it was checked for unwanted substances such as heavy metals, bacteria, yeasts, or molds.

A COA is particularly valuable when it comes from an independent laboratory. This means the analysis was not just done internally by the producer or supplier, but by an external party with specialized testing equipment and quality procedures. For consumers, this is important because there is a significant difference between “we say it is pure” and “an independent laboratory has measured it.”

On our NMN certificates page, you will therefore find information about available test reports, including purity analyses and safety checks. In this way, we make it clear which batches have been tested and what the results were.

Why are NMN certificates important?

The supplement market is large, and not every product is equally transparent. Especially with popular ingredients like NMN, you see major differences between providers. Some brands only mention general claims such as “high-quality,” “pure,” or “premium,” without it being clear what those words are based on. For a consumer, this is difficult because without test results, you cannot verify if a product truly meets the promised quality.

A good NMN certificate helps answer three important questions:

• Purity: how much NMN does the product actually contain?
• Safety: has the product been checked for unwanted contaminants?
• Transparency: is it clear which batch was tested, when this happened, and by which laboratory?

At Every Day Better, we do not use certificates as decoration, but as proof of quality control. Our NMN is independently tested by Intertek Food Services GmbH. The published analyses show an NMN purity of 99.5% to 99.63%, measured via HPLC. HPLC stands for High Performance Liquid Chromatography, an analytical method frequently used to accurately measure the composition and purity of substances.

What does 99.5% to 99.63% NMN purity mean?

When an NMN product has a purity of 99.5% or higher, it means the tested material consists almost entirely of NMN. This is important because lower purity can mean that more residues, degradation products, or other components are present. For a product used daily, you want as little uncertainty as possible regarding the composition.

The NMN certificates from Every Day Better show that the tested batches have a very high purity. Batch A-1 was analyzed on December 19, 2023, and resulted in 99.63% NMN. Batch B-1 was also analyzed on December 19, 2023, and resulted in 99.5% NMN. Both results were measured using HPLC.

This type of information is valuable for anyone serious about quality. Not because a number alone says everything, but because, together with the test method, batch information, and the laboratory, it provides a verifiable picture. A transparent brand shows what was tested, how it was tested, and what the outcome was.

Why HPLC is important for NMN

HPLC is a widely used laboratory technique for separating, identifying, and quantifying substances. For NMN, HPLC is used to measure how much NMN is actually present in a sample. This is important because while the product label may state a dosage, an analysis must confirm whether the raw material also has the correct purity.

For consumers, it is not necessary to know all the technical details of HPLC. What is most important is that HPLC is a serious analytical method that goes beyond a visual inspection or a general supplier statement. When an NMN brand publishes an HPLC analysis, it provides more confidence than when only marketing language is used.

Would you like more background on NMN and its role in NAD+? Then read our explanation of how NMN works.

Safety: more than just purity

High purity is important, but it is not the only thing you should look for. A supplement can contain a high percentage of NMN and still be insufficiently checked for other quality aspects. That is why we also look at microbiological safety, sensory quality, and heavy metals.

On our certificates page, we mention checks for, among others:

• bacteria, yeasts, and molds;
• Salmonella and E. coli;
• heavy metals such as lead, arsenic, mercury, and cadmium;
• odor, taste, color, and appearance;
• pH value and water content.

These additional checks are important because supplements are taken daily. You want to know not only if it contains NMN, but also if the product is clean, stable, and carefully controlled. Especially with powders and capsules, microbiological quality is a vital part of product safety.

What do heavy metals say about supplement quality?

Heavy metals such as lead, cadmium, arsenic, and mercury can occur in small amounts in raw materials, depending on origin, production process, and storage. Therefore, testing for heavy metals is an important part of quality monitoring. A reliable supplement brand should not just say a product is safe, but should be able to show that it has been tested for this.

At Every Day Better, our NMN products are tested for heavy metals. The published results show that arsenic, lead, mercury, and cadmium were not detectable above the stated detection limits. This provides extra confidence for consumers who consciously choose a supplement with clear quality control.

For more information on the broader role of food safety and risk assessment, you can look at the information from the European Food Safety Authority on contaminants in food.

NMN, NAD+, and scientific context

NMN is popular because it is involved in the formation of NAD+ in the body. NAD+ is a coenzyme that plays a role in cellular energy processes. In scientific literature, NMN is studied as an NAD+ precursor and as part of research into aging, metabolism, and cellular functions.

A review article on PubMed Central describes NMN as a substance involved in NAD+ biosynthesis and discusses potential mechanisms surrounding aging processes. At the same time, modern scientific discussion emphasizes that much research is still in development and that results from animal studies cannot be translated directly to humans. Therefore, we prefer to communicate carefully rather than excessively.

For those who want to delve deeper, you can, for example, view these external sources:

• PubMed Central: Role and Potential Mechanisms of Nicotinamide Mononucleotide in Aging
• Scientific Reports: Safety evaluation of oral β-NMN
• Nature Metabolism: NAD+ precursor supplementation in human ageing

Why transparency matters

At Every Day Better, we build trust with:

• public NMN certificates;
• independent analyses by Intertek;
• clear information about purity and safety;
• careful communication without medical claims;
• educational content about NMN, NAD+, GlyNAC, TMG, and longevity.

For example, also read our in-depth articles on 12 things about NMN’s mechanism of action, NMN dosage, and NMN side effects.

Purity/purity NMN certificates:

• First test report Nicotinamide Mononucleotide (99.5% purity)
  
• Second test report Nicotinamide Mononucleotide (99.5% purity)

NMN test certificates:

• First test report – Sensory tests and microbiological tests
  
• Second test report – Sensory tests and microbiological tests
  
• Additional Intertek test report 2026 – heavy metals, microbiology and sensory check

How do you recognize a reliable NMN supplement?

A reliable NMN supplement is not recognized just by a nice label. Pay particular attention to verifiable information. A good provider makes it clear which form of NMN is used, how much NMN is present per dose, whether certificates are available, and whether the product has been tested for purity and safety.

Use this checklist when comparing NMN:

• Is a COA available? A certificate provides insight into the analysis of the product or raw material.
• Is the purity stated? At Every Day Better, the analyses show 99.5% to 99.63% NMN.
• Is the test method clear? HPLC is a strong analytical method for purity control.
• Is the laboratory independent? External analysis provides more confidence than just a supplier claim.
• Are heavy metals and microbiology tested? This says something about safety and product hygiene.
• Are realistic claims being made? Avoid brands that make medical or exaggerated anti-aging promises.
• Is the provider transparently reachable? A reliable brand has clear company information, policies, and customer service.

Want to learn what else to look for? Then read our guide on the best NMN supplement.

NMN capsules or NMN powder: does certification make a difference?

Whether you choose capsules or powder, certification remains important. NMN powder offers flexibility in dosing, while capsules are practical for daily use. But in both cases, you want to know if the raw material is pure and if the quality has been checked.

For many users, capsules are convenient because the dosage is pre-measured. A capsule with 250 mg of NMN makes it easy to maintain a steady routine. Powder can be pleasant for people who prefer to dose themselves or mix NMN with water or another drink. Whichever form you choose, the basic question remains the same: has the product been independently tested?

For this, also view our product pages for NMN Capsules 30x250mg, NMN Capsules 60x250mg, NMN Capsules 120x250mg, and NMN Powder 30g.

Regulation and realistic communication about NMN

Internationally, NMN is in a dynamic regulatory landscape. In Europe, NMN is discussed within the context of novel food assessments. The European Food Safety Authority has published information on the assessment of β-nicotinamide mononucleotide as a novel food. In the United States, the status of NMN has been a subject of discussion between regulators and the supplement industry in recent years.

For consumers, this primarily means that reliable providers must communicate carefully. NMN should not be presented as a medicine or as a solution for disease. It fits better within a broader context of a healthy lifestyle, nutrition, sleep, exercise, and conscious supplement choice.

More information about the European assessment can be found at the European Commission on novel food applications and the publication by EFSA on β-NMN.

Why Every Day Better is committed to openness

Every Day Better was born from the conviction that supplements should be more understandable, transparent, and better substantiated. Especially within longevity, there is a lot of noise. There are many big promises, but fewer brands show exactly how their products are tested. We want to do things differently.

That is why we share information about our NMN certificates, test methods, and product quality. Not because every customer wants to read a laboratory report in full, but because everyone should have the opportunity to verify it. Transparency is not an extra. It is a fundamental requirement for trust.

In addition, we are building a knowledge platform where we provide explanations about supplements such as NMN, GlyNAC, TMG, and ORS. NMN is often discussed in relation to NAD+ and cellular energy. GlyNAC is often linked to glycine, NAC, and oxidative stress. TMG is discussed in relation to methylation. ORS supports fluid and electrolyte balance. Together, they do not form a magic formula, but they can be part of a conscious daily routine.

Also view our category pages for NMN supplements, GlyNAC supplements, TMG supplements, and ORS powder.

Frequently asked questions about NMN certificates

What is an NMN certificate?

An NMN certificate, often called a COA, is an analytical certificate stating which quality tests have been performed on an NMN product or batch. It mentions, for example, the purity, test method, analysis date, and sometimes also checks for heavy metals or microbiological safety.

Why is HPLC important for NMN?

HPLC is an analytical method used to accurately measure the composition and purity of a substance. For NMN, HPLC helps confirm how much NMN is actually present in the tested sample.

Is Every Day Better’s NMN independently tested?

Yes. Every Day Better’s NMN is independently tested by Intertek Food Services GmbH. The published analyses show an NMN purity of 99.5% to 99.63%, measured via HPLC.

Is NMN also tested for heavy metals?

Yes. In addition to purity, checks are also performed for heavy metals such as lead, arsenic, mercury, and cadmium. Microbiological quality, odor, taste, color, pH, and water content are also part of the published quality information.

Is an NMN certificate the same as medical approval?

No. An NMN certificate provides information about the measured quality and composition of a product or batch. It is not a medical approval and does not prove that a supplement can treat or prevent diseases.

Conclusion: choose NMN based on evidence, not just promises

NMN is an interesting supplement within the world of NAD+, cellular energy, and healthy aging. But precisely because the market is growing rapidly, it is important to look critically at quality. A reliable NMN supplement is recognized by transparency, independent testing, clear batch information, and realistic communication.

The NMN certificates from Every Day Better show that our NMN is tested for purity, safety, and quality. With HPLC results of 99.5% to 99.63% NMN and additional checks for microbiology and heavy metals, we provide customers with insight into what they are buying.

Do you want to use NMN as part of your daily routine? Then first read our guide on what NMN is, discover what to look for when you want to buy NMN, or view the NMN package leaflet.

Disclaimer: dietary supplements are not a substitute for a varied, balanced diet and a healthy lifestyle. NMN is not a medicine. Always consult a physician or qualified healthcare provider in case of pregnancy, breastfeeding, medication use, or medical complaints.