NMN, NAD+ and resveratrol are three of the most discussed compounds in the supplement industry right now. Search interest in the UK has grown steadily year on year, with terms like "nmn resveratrol", "liposomal nad+" and "nmn gummies" all trending upward. But the terminology can be confusing — what exactly are these compounds, how do they relate to each other, and which supplement form is right for you?
This guide explains everything in plain language: what NMN, NAD+, NR and NMNH actually are, how they connect, what the research says, and how to navigate the growing range of products available in the UK.
📋 In This Guide
What Is NAD+? What Is NMN? What Is Nicotinamide Riboside (NR)? What Is NMNH? What Is Resveratrol? How NMN, NAD+ and Resveratrol Work Together NMN vs NR vs NMNH: Which Precursor? Available Formats: Capsules, Gummies, Drops & Drinks What to Look For When Buying Frequently Asked Questions
What Is NAD+?
NAD+ (nicotinamide adenine dinucleotide) is a coenzyme found in every living cell. It is involved in hundreds of metabolic processes, playing a central role in how cells convert nutrients into energy. NAD+ is not a vitamin or a mineral — it is a molecule that the body produces naturally.
NAD+ was first identified by scientists in 1906 and has been the subject of continuous research for over a century. It is one of the most abundant molecules in the human body and is essential for the function of enzymes called sirtuins, which are involved in cellular processes including DNA repair and gene expression.
One of the most discussed aspects of NAD+ in recent research is that its levels decline with age. Multiple studies have measured NAD+ levels across different age groups and consistently found lower concentrations in older individuals. This age-related decline has driven significant scientific interest in whether supplementation can influence NAD+ levels.
Why not just take NAD+ directly? NAD+ itself is not well absorbed when taken orally. This is why the supplement industry focuses on NAD+ precursors — compounds like NMN, NR and NMNH that the body can convert into NAD+ after ingestion.
What Is NMN?
NMN (nicotinamide mononucleotide) is one of the direct precursors to NAD+. When you consume NMN, your body converts it into NAD+ through a single enzymatic step. This makes NMN one of the most efficient pathways to increasing NAD+ levels through supplementation.
NMN is found naturally in small amounts in foods including broccoli, cabbage, cucumber, avocado and edamame. However, the quantities in food are very small — you would need to consume impractical amounts to match the dosages found in supplements.
📄 NMN Research Timeline
2016: Landmark study by researchers at Washington University demonstrated age-related NMN decline in animal models. Published in Cell Metabolism.
2019: Study in Nature Metabolism identified a specific NMN transporter (Slc12a8), suggesting direct cellular uptake is possible — settling a long-running scientific debate.
2021-2024: Multiple human clinical trials published investigating oral NMN supplementation at dosages ranging from 250mg to 1200mg per day.
What Is Nicotinamide Riboside (NR)?
Nicotinamide riboside (NR) is another NAD+ precursor, closely related to NMN. Like NMN, NR is converted into NAD+ in the body, though through a slightly different pathway. NR requires two conversion steps to become NAD+ (NR → NMN → NAD+), while NMN requires only one (NMN → NAD+).
NR has a slightly longer research history in human clinical trials than NMN. Several published human studies have investigated NR supplementation, with dosages typically ranging from 300mg to 1000mg per day. NR is the form of NAD+ precursor that has been most extensively tested in human populations to date.
What Is NMNH?
NMNH (dihydronicotinamide mononucleotide) is the reduced form of NMN. It is a newer entrant to the NAD+ precursor space and has attracted research interest for its different chemical properties. NMNH is structurally similar to NMN but carries an additional hydrogen atom, which changes how it interacts with cellular pathways.
Early research has investigated NMNH alongside NMN and NR, with some studies suggesting it may have distinct characteristics in how it influences NAD+ metabolism. NMNH is typically found in combination formulas alongside NR and other precursors rather than as a standalone ingredient.
Three precursors, one destination: NMN, NR and NMNH all convert to NAD+ — but through different pathways and with different research behind them.
What Is Resveratrol?
Resveratrol is a polyphenol compound found naturally in the skin of red grapes, blueberries, raspberries, mulberries and peanuts. It is also present in Japanese knotweed (Polygonum cuspidatum), which is the source used in most resveratrol supplements due to its higher concentration.
Resveratrol gained widespread attention following research into the "French paradox" — the observation that French populations had relatively low rates of cardiovascular issues despite diets high in saturated fat. Researchers hypothesised that the resveratrol content of red wine might play a role, though this theory remains debated.
Trans vs cis: Resveratrol exists in two forms: trans-resveratrol (the biologically active form) and cis-resveratrol. Always check that supplements specify trans-resveratrol on the label.
How NMN, NAD+ and Resveratrol Work Together
The reason NMN and resveratrol are so commonly combined relates to their complementary mechanisms at the cellular level.
NMN / NR / NMNH
Provides the raw material that the body converts into NAD+. More precursor = more NAD+ available for cellular processes.
Resveratrol
Activates sirtuin enzymes that use NAD+ as a substrate. More sirtuin activity = more NAD+ being utilised.
Together
NMN raises the supply while resveratrol raises the demand — providing both sides of the equation in a single formula.
Many combined formulas also add complementary ingredients:
Found naturally in mitochondria and involved in cellular energy production. One of the most common additions to NMN and NAD+ formulas.
NMN metabolism consumes methyl groups, so TMG is included to replenish them. This is the rationale behind NMN + TMG combination products.
Found in onions, apples and berries. Studied alongside resveratrol as a complementary polyphenol. Included in several combination NMN supplements.
Piperine extract from black pepper, included to enhance the absorption and bioavailability of other ingredients in the formula.
NMN vs NR vs NMNH: Which Precursor?
| Factor | NMN | NR | NMNH |
|---|---|---|---|
| Full name | Nicotinamide Mononucleotide | Nicotinamide Riboside | Dihydronicotinamide Mononucleotide |
| Steps to NAD+ | 1 step (NMN → NAD+) | 2 steps (NR → NMN → NAD+) | Distinct pathway |
| Human trials | Growing (2021-2024) | Most extensive to date | Early stage |
| Typical dose | 250-1200mg/day | 300-1000mg/day | 250mg (in combos) |
| Available as | Capsules, gummies | Capsules, drops, gummies | Capsules (in combos) |
| Common pairings | Resveratrol, CoQ10, TMG | Resveratrol, CoQ10 | NR, NAD+, CoQ10 |
In practice, many consumers choose based on format preference and whether they prefer a single-ingredient product or a combination formula. All three precursors are available in the UK.
Available Formats: Capsules, Gummies, Drops & Drinks
The NAD+ supplement market offers a wider range of formats than most supplement categories. Here is what is available:
NMN Capsules
Highest concentrations per serving (500-1380mg). Often combined with resveratrol, CoQ10, TMG and quercetin. Straightforward dosing.
Shop NMN 7-in-1 Complex →NR Capsules
Well-researched precursor with the most human clinical trial data. Available as standalone NR or combined with resveratrol and CoQ10.
Shop NR Complex 1000mg →NMN Gummies
Convenient, kiwi-flavoured alternative to capsules. Lower concentration per serving but enjoyable for daily use. Combined with resveratrol, CoQ10 and vitamin D3.
Shop NMN Kiwi Gummies →Liposomal NAD+ Drops
Liposomal technology encapsulates NAD+ precursors in phospholipid bubbles. Sublingual delivery — under the tongue for absorption through mucous membranes.
Shop Liposomal NAD+ Drops →Also available in the PURETREX range:
NMN & Resveratrol Complex 1380mg — a high-potency capsule formula with CoQ10 and BioPerine®.
Liposomal NAD+ NR & NMNH Complex — combines all three precursor types (NAD+, NR and NMNH) with resveratrol and CoQ10 in liposomal capsules.
Liposomal NAD+ NR & Resveratrol Capsules — 80-count liposomal formula combining NR with trans-resveratrol.
NAD+ Complex with Trans-Resveratrol — 90 capsules combining NAD+ with trans-resveratrol, CoQ10 and BioPerine®.
NMNH Ultra Complex 1000mg — features NMNH (reduced NMN), the newest NAD+ precursor, in a high-potency capsule formula.
What to Look For When Buying
Quality Buying Checklist
- Specify the precursor — the label should clearly state NMN, NR, NMNH or a combination. "NAD+ supplement" alone does not tell you which precursor is being used
- Trans-resveratrol — if the formula includes resveratrol, check it specifies the trans form (the biologically active isomer)
- Dosage per serving — check the per-serving amount of the actual precursor, not just the total formula weight. Research dosages: NMN 250-1200mg, NR 300-1000mg
- Third-party tested — independent testing (e.g. Eurofins) verifies purity, potency and absence of contaminants. Especially important as raw material quality varies significantly
- Liposomal vs standard — liposomal formulations encapsulate ingredients in phospholipid bubbles. Standard capsules rely on digestive absorption. Both are effective
- Combination vs single ingredient — combination products (NMN + resveratrol + CoQ10 + TMG) offer convenience. Single ingredients allow precise dose control
- UK-manufactured in GMP facilities — certified manufacturing ensures consistency and quality control
NMN & Resveratrol 7-in-1 Complex — CoQ10, TMG & BioPerine®
- NMN (Nicotinamide Mononucleotide) — direct NAD+ precursor
- Trans-Resveratrol — biologically active form
- CoQ10 — mitochondrial compound
- TMG — methyl group donor
- Quercetin — complementary flavonoid
- BioPerine® — enhanced absorption
- 120 vegan capsules
- Independently tested by Eurofins
Frequently Asked Questions