Best NMN Supplement UK (2026)

The Longevity Series · Editor's Pick
Updated August 2026

The best NMN supplement UK buyers can choose, 2026.

We reviewed every NMN supplement formula in the Vitality UK range — NMN Complete, NMN + Trans-Resveratrol, NMN 1000mg Pure, NMN + TMG and NMNH — against ingredient depth, dose, third-party testing and customer feedback. One stood out as the most comprehensive single formula.

5 formulas reviewed ISO/IEC 17025 tested every batch UK manufactured First-party ranking, disclosed
UK regulatory status — read this first

NMN is not authorised as a novel food in Great Britain. A GB novel food application for beta-nicotinamide mononucleotide, FSA reference RP-2116, is currently listed as under assessment on the Food Standards Agency's register of regulated product applications. In the EU, EFSA issued a positive safety opinion on beta-NMN in 2026, but full authorisation is still pending — and an EU authorisation would not automatically apply in Great Britain. NMN products are widely sold in the UK today, and we sell them. We are telling you the position is unsettled rather than implying it is closed, because a page that sells you something should not also be the page that misinforms you about its legal status. There are no authorised UK or EU health claims on NMN, so nothing on this page is a claim about what it does.

Our #1 pick
NMN Complete 1600mg

NMN Complete is the most comprehensive single formula in our range. It pairs a higher 750mg NMN dose with three complementary actives — TMG, pterostilbene and apigenin — in one daily two-capsule serving. For people who want a full longevity stack without buying and timing four separate products, this is the clearest pick. Same UK manufacturing and ISO/IEC 17025 batch testing as every formula in the range.

NMN per serving750mg
Serving size2capsules daily
Active ingredients4
Pack60capsules · 30 days
Third-party testedISO/IEC 17025
Made inUnited Kingdom
View NMN Complete See how we judged
Methodology

How we judged.

We evaluated every formula in the Vitality range on six neutral, verifiable criteria — the same lens covered in our how to choose an NMN supplement guide. No price weighting — pricing is evergreen and shown live on each product page. No efficacy claims — there are no authorised UK or EU health claims on NMN.

01
NMN dose per serving
The amount of nicotinamide mononucleotide in one daily serving, in milligrams, declared on the pouch and verified in the certificate of analysis — and how many capsules that serving is, because a milligram figure means nothing until you know what it is spread across. See our NMN dosage guide for context on what published research has used.
02
Ingredient depth
How many active ingredients are in one daily serving. A single-active formula is not "worse" than a multi-active one — it serves a different goal. We rank for the use case: a comprehensive single formula scores higher when the comparison is "buy one product" rather than "build a stack."
03
Third-party batch testing
Every formula in our range is tested by an ISO/IEC 17025-accredited laboratory on every batch. A Certificate of Analysis is available on request for any batch — match the batch code on your pouch to the report. See our science page for the full lab and verification protocol.
04
Customer feedback
Feedback from the Vitality Supplements customer base. Two of our newest SKUs (Pure and TMG) don't yet have established review data — we flag this rather than invent it, and we do not show star ratings against individual formulas on this page.
05
Manufacturing transparency
Made in the United Kingdom. Manufacturer address, batch tracking, ingredient sourcing and capsule shell (HPMC, vegan) all disclosed. Pouches carry the GTIN, batch code and best-before date — none of this is hidden or proprietary.
06
Regulatory framing
NMN is not authorised as a novel food in Great Britain — a GB application, FSA reference RP-2116, is under assessment by the FSA. We say so plainly rather than implying the position is settled. We make no medicinal or disease claims and no unauthorised health claims. Editorial framing is product, dose and testing — not outcome.
The Ranking

Five formulas, ranked.

A ranked list, not a hierarchy of quality — every formula passes the same testing and manufacturing standard. The order reflects the most-recommendable pick first, given the criteria above. If your goal is different, the "match by goal" section below will be more useful.

1Editor's pick

NMN Complete 1600mgThe most comprehensive single formula

Best for: one formula, full stack

Why it wins: Four ingredients in one daily two-capsule serving at a high 750mg NMN dose. It pairs NMN with TMG (a methyl donor used during NAD+ metabolism), pterostilbene (a methylated analogue of resveratrol) and apigenin (a botanical flavone). For most people who want a comprehensive longevity formula without buying four separate products, this is the clearest single pick.

Trade-offs to know: NMN dose is 750mg, not the 1000mg you'd get from Pure — if you want pure NMN at the highest dose specifically, Pure is the right call. The ingredient depth is the reason this ranks first, not the NMN milligrams alone.

View NMN Complete
NMN / serving750mg
Serving size2 capsules daily
Other activesTMG · Pterostilbene · Apigenin
Actives total4
TestedISO/IEC 17025 · every batch
Made inUnited Kingdom
2Runner-up

NMN + Trans-Resveratrol 1100mgThe classic pairing · most reviewed

Best for: first-time NMN, classic pairing

Why it ranks here: The two-ingredient pairing of NMN and Trans-Resveratrol is the combination most commonly studied alongside NMN, and this formula is the most-reviewed in our range. If this is your first NMN supplement, the simpler ingredient profile, the classic pairing, and the deepest customer feedback are the case for this one.

Trade-offs: NMN dose is 500mg per serving — lower than Complete (750mg) or Pure (1000mg). Two ingredients, not four. If you want either a higher NMN dose or a fuller stack, look at Complete or Pure.

View NMN + Resveratrol
NMN / serving500mg
Other actives600mg Trans-Resveratrol
Actives total2
FormStandard NMN · vegan HPMC
TestedISO/IEC 17025 · every batch
Made inUnited Kingdom
3Best single ingredient

NMN 1000mg PureHighest pure NMN dose in the range

Best for: NMN-only purists, custom stacks

Why it ranks here: The highest single-ingredient NMN dose in the range — 1000mg pure nicotinamide mononucleotide per serving, no blends. If you want NMN on its own — to control your own pairings, time it separately, or just keep the formula uncomplicated — this is the right one. See our NMN dosage guide for what published research has used.

Trade-offs: Newly launched, so verified customer review data isn't established yet. Same testing and manufacturing standard as every other formula in the range. No paired actives — if you want resveratrol, TMG, pterostilbene or apigenin, you'd add them separately or pick a combination formula.

View NMN 1000mg Pure
NMN / serving1000mg
Other activesNone — pure NMN
Actives total1
FormStandard NMN · vegan HPMC
TestedISO/IEC 17025 · every batch
Made inUnited Kingdom
4Focused pairing

NMN + TMG 750+750mgNMN with a methyl donor

Best for: NMN + methyl support, no extras

Why it ranks here: Equal 750mg doses of NMN and TMG in one daily serving — a focused two-ingredient formula for people who want NMN paired with a methyl donor but don't need pterostilbene or apigenin on top. Higher NMN dose than the Resveratrol pairing, simpler than Complete.

Trade-offs: Newly launched, so no established review count yet. If you want all the actives Complete carries (TMG plus pterostilbene plus apigenin) in one formula, pick Complete; this is for the focused TMG case.

View NMN + TMG
NMN / serving750mg
Other actives750mg TMG (trimethylglycine)
Actives total2
FormStandard NMN · vegan HPMC
TestedISO/IEC 17025 · every batch
Made inUnited Kingdom
5Reduced form

NMNH 500mgThe reduced form of NMN

Best for: experienced NMN users exploring the reduced form

Why it ranks here: NMNH is the reduced form of NMN — same NAD+ precursor family, distinct chemistry, different absorption profile, enters the salvage pathway differently. For people already familiar with NMN who want to explore the newer reduced form, it's a sensible second purchase.

Trade-offs: Not the first NMN supplement to try — the research base is younger than for standard NMN, and the form is different enough that starting here doesn't tell you much about how you'd respond to standard NMN. See the NMN vs NMNH guide for the full breakdown.

View NMNH
NMNH / serving500mg
Other activesNone — reduced form
Actives total1
FormReduced (NMNH) · vegan HPMC
TestedISO/IEC 17025 · every batch
Made inUnited Kingdom
Side By Side

The full matrix, ranked.

Every formula uses vegan HPMC capsules, UK manufacturing and ISO/IEC 17025 batch testing — the differences are in dose, form and what's paired with the NMN. Live pricing on each product page. Scroll horizontally on mobile.

Rank · Formula NMN / serving Serving size Other actives Actives Form ISO 17025 UK · Vegan
#1NMN Complete 1600mg★ Editor's pick 750mg 2 capsules TMG · Pterostilbene · Apigenin 4 Standard ✓ ✓
#2NMN + Trans-Resveratrol 1100mgMost reviewed 500mg See pack 600mg Trans-Resveratrol 2 Standard ✓ ✓
#3NMN 1000mg Pure 1000mg See pack None — pure NMN 1 Standard ✓ ✓
#4NMN+TMG 750+750mg 750mg See pack 750mg TMG 2 Standard ✓ ✓
#5NMNH 500mg 500mg (NMNH) See pack None — reduced form 1 Reduced ✓ ✓

Doses shown per daily serving. Where a serving size reads "see pack", the capsules-per-serving figure has not been verified against the current label and we would rather say so than guess. Ranking reflects the editorial criteria above; the underlying quality and testing standard is identical across the range. "Editor's pick" reflects ingredient depth and use-case fit, not an efficacy claim.

Match By Goal

If our pick isn't yours.

A ranking is just one lens. Pick from the goal that actually fits how you'd use the formula, or see them all side by side. For where NMN fits in a wider routine, see our longevity protocol.

One formula, full stack
NMN Complete
750mg NMN · TMG · pterostilbene · apigenin

If you want everything in one daily serving and don't want to think about pairing or timing four separate supplements, this is the pick. Most comprehensive single formula in the range.

View
First NMN purchase
NMN + Resveratrol
500mg NMN · 600mg trans-resveratrol

If this is your first NMN supplement, the classic two-ingredient pairing with the deepest customer feedback is a sensible place to begin.

View
NMN only, no extras
NMN 1000mg Pure
1000mg pure NMN · single ingredient

If you want NMN at the highest pure dose, with nothing else, and prefer to time and pair supplements yourself, this is the right one.

View
NMN + methyl donor
NMN + TMG
750mg NMN · 750mg TMG

If you specifically want NMN paired with a methyl donor — but don't need pterostilbene or apigenin too — this focused two-ingredient formula is the cleaner pick than Complete.

View
Exploring beyond NMN
NMNH
500mg NMNH · reduced form

If you're already familiar with standard NMN and curious about the reduced form, NMNH is the right second purchase — not the first one.

View
Buying Checklist

What to check when you compare.

Beyond our own range, these are the neutral, verifiable things worth checking on any NMN supplement before you buy — the same lens as our how to choose an NMN supplement guide. Every point below is a matter of label transparency and testing, not a health claim.

What to check What to look for Why it matters
Serving size How many capsules make one serving The most common way a label misleads without lying — a big milligram figure spread across four capsules is not what it appears
Dose per serving The NMN amount in mg per serving is clearly stated Lets you compare products like-for-like
Purity A stated purity, e.g. 99%+ NMN A higher stated purity means less filler per serving
Form Capsule, powder, sublingual, gummy or liposomal Forms differ in convenience and cost, not in being NMN
Paired ingredients Single-ingredient NMN, or a blend that still states the NMN mg A stated NMN amount keeps the real dose transparent
Third-party testing Independent batch testing, ideally ISO/IEC 17025-accredited Confirms the identity and purity of what is in the capsule
Certificate of Analysis A Certificate of Analysis available on request Documentary proof behind the label
Prefer the neutral view?

This page ranks. Our compare guide lays them out.

If you'd rather see every formula side by side without a ranking — just dose, ingredients, form and testing — read the Compare NMN guide.

See the comparison
Glossary

The terms, defined.

NMN
Nicotinamide mononucleotide — a naturally occurring nucleotide and a direct precursor to NAD+.
NAD+
Nicotinamide adenine dinucleotide — a coenzyme central to cellular energy metabolism and DNA repair.
NMNH
The reduced form of NMN, with distinct chemistry and a different absorption profile.
TMG
Trimethylglycine (betaine) — a methyl-donor compound often taken alongside NMN.
Trans-Resveratrol
A stilbenoid polyphenol and the most commonly studied NMN pairing.
Pterostilbene · Apigenin
A methylated resveratrol analogue and a botanical flavone — both included in NMN Complete.
ISO/IEC 17025
The international standard for the competence of testing and calibration laboratories.
Novel food
A food without significant history of consumption in the UK or EU before 15 May 1997, which must be authorised before being placed on the market. NMN's GB application, FSA reference RP-2116, is under assessment.
FAQs

Buying-decision questions.

Of the five formulas in our range, NMN Complete 1600mg is our editor's pick — the most comprehensive single formula, pairing 750mg NMN with TMG, pterostilbene and apigenin in one daily two-capsule serving. For a simpler two-ingredient option, NMN + Trans-Resveratrol is the most-reviewed and the classic pairing. For pure NMN at the highest dose, NMN 1000mg Pure.
One serving is two capsules, taken daily. The 1600mg figure — 750mg NMN, 750mg TMG, 50mg pterostilbene and 50mg apigenin — is the total across that two-capsule serving, not the content of a single capsule. A 60-capsule pack is therefore 30 servings, a one-month supply. This distinction matters whenever you compare supplements: always read the nutrition panel rather than the front of the pack.
The position is not settled — and any brand telling you it is has not checked. NMN is not authorised as a novel food in Great Britain. A GB novel food application for beta-nicotinamide mononucleotide, FSA reference RP-2116, is currently listed as under assessment on the Food Standards Agency's register of regulated product applications. In the EU, EFSA issued a positive safety opinion on beta-NMN in 2026, with full authorisation still pending — and an EU authorisation would not automatically apply in Great Britain. NMN products are widely sold in the UK today, ours included. There are no authorised UK or EU health claims on NMN, so we make no medicinal or disease claims.
If this is your first NMN supplement, NMN + Trans-Resveratrol is a common starting point — two ingredients, the classic pairing, the deepest customer feedback. If you want the most comprehensive single formula and prefer one daily serving over building a stack, Complete adds TMG, pterostilbene and apigenin on top of a higher NMN dose.
Pure has more NMN per serving (1000mg vs Complete's 750mg), but Complete includes three additional actives. The ranking reflects ingredient depth and the convenience of a single formula, not NMN dose alone. If you specifically want NMN on its own at the highest dose, Pure is the right pick.
Look for four things: a clearly stated NMN dose per serving (not hidden inside a proprietary blend), independent batch testing by an ISO/IEC 17025-accredited laboratory, a Certificate of Analysis available on request, and a registered UK manufacturer. Every Vitality formula meets all four. The CoA for any batch can be requested by emailing info@vitality-supplements.co.uk with the batch code from the pouch.
There is no single authorised dose for NMN, as no UK or EU health claims are authorised on the ingredient. Published human studies have used doses from approximately 250mg to 900mg per day. The Vitality range spans 500mg to 1000mg per serving. See our NMN dosage guide for more.
TMG (trimethylglycine, betaine) is a methyl donor. NAD+ metabolism uses methyl groups, so some people pair a methyl donor with higher NMN doses. It's not strictly required — many take NMN without TMG. If you want the pairing in one daily serving, Complete and NMN+TMG both include it.
NMNH is the reduced form of NMN. Both are NAD+ precursors, but NMNH has distinct chemistry and enters the salvage pathway differently. NMNH is newer and has less research behind it than standard NMN. Most first-time NMN users should start with a standard-NMN formula before exploring NMNH — see the NMN vs NMNH guide.
Yes — every batch of every formula. Tested independently by an ISO/IEC 17025-accredited laboratory. A Certificate of Analysis is available on request for any batch — email info@vitality-supplements.co.uk with the batch code printed on your pouch. See our science page for the full testing protocol.
60-day satisfaction guarantee on first purchase. If the formula isn't right, contact us within 60 days for a refund — see the full returns & refunds policy. Free UK delivery applies to all orders.
Many NMN supplements state a purity of around 99% or higher. Ideally that stated purity is confirmed by independent third-party testing, with a Certificate of Analysis available on request — the certificate is the documentary proof behind the label. Every Vitality batch is tested by an ISO/IEC 17025-accredited laboratory.
NMN is sold as capsules, powder, sublingual tablets, gummies and liposomal formats. The format affects convenience, taste and cost rather than whether it is NMN — in each case, check the stated NMN amount per serving so you can compare products like-for-like. The Vitality range uses vegan HPMC capsules.
Further Reading

Go deeper.

About this review

Published 5 June 2026 by the Vitality Supplements Editorial Team. Last updated 20 August 2026. This is a first-party editorial ranking of the formulas in our own range. We disclose this openly: we are the maker of every product reviewed. We do not weight on price, as pricing changes and is shown live on each product page. We do not display star ratings against individual formulas on this page — our review record is at the company level, and attaching a company-level figure to a single product would misrepresent it. The criteria, framing and rationale here are designed to give you enough information to disagree with our pick if your goal differs. For a neutral side-by-side without a ranking, see the compare-NMN guide.

Food supplements should not be used as a substitute for a varied, balanced diet and a healthy lifestyle. If you are pregnant, breastfeeding, taking medication or under medical care, consult a healthcare professional before use. This page is general information, not medical advice, and is not intended to diagnose, treat or prevent any condition. NMN is not authorised as a novel food in Great Britain; a GB novel food application, FSA reference RP-2116, is currently under assessment by the Food Standards Agency. There are no authorised UK or EU specific health claims on NMN, and we make no medicinal, anti-ageing or disease claims. Every Vitality batch is independently tested by an ISO/IEC 17025-accredited laboratory. UK manufactured. Free UK delivery. 60-day satisfaction guarantee on first purchase. Certificate of Analysis available on request. See our full disclaimer · Privacy · Terms · info@vitality-supplements.co.uk