NMN for Dogs

How NMN fits cellular energy, what researchers have found in dogs, and how to choose a supplement

By La Petite Labs Editorial 17 min read

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Contents

Your dog’s breakfast supplies energy. To use it—to walk, think or keep a heart beating—cells need a series of chemical reactions that turn nutrients into usable fuel. NAD+ helps those reactions happen. NMN, short for nicotinamide mononucleotide, is one of the starting materials cells can use to make NAD+. 1

That connection makes NMN an interesting subject for healthy-aging research. Scientists have now studied it in dogs, including retired police dogs and a small group of cardiac patients. Their findings are worth understanding before translating “supports NAD+” into a promise about a dog’s remaining years.

This guide follows the NMN evidence and the practical choices it raises. It also explains the alternative used in our Hollywood Elixir formula: NR, a different NAD+ precursor, paired with CoQ10 and glutathione.

Compare NMN with an NR formula

NMN supplies material for making NAD+, which helps cells use nutrients for energy and participates in cellular maintenance. It is related to NR, but the two ingredients are not interchangeable names.

Small dog studies have reported changes in inflammatory or cardiac blood markers. A two-week study in healthy Beagles found normal activity alongside increases in creatinine and uric acid. These findings deserve attention; they do not establish a universal dose or prove that NMN extends dogs’ lives.

Hollywood Elixir contains NR, not NMN. Its standard 2.5 g sachet combines 60 mg NR with 40 mg CoQ10 and 50 mg glutathione, bringing different aspects of cellular energy and antioxidant nutrition into one formula. Use the current dog serving directions when evaluating it.

What NMN does between a meal and cellular work

Food supplies fats, proteins and carbohydrates that the body can use in metabolism. NAD+ accepts electrons during some of the reactions that break nutrients down, becoming NADH. Those electrons can then help drive production of ATP, a molecule that powers much of a cell’s work. 1 8

NMN’s role comes earlier: cells can use it to make NAD+. It is a raw material for the system, rather than a stimulant or a packet of energy. That distinction explains why an NMN supplement would be investigated through metabolism and cellular function, rather than expected to produce a caffeine-like lift.

See how cells make, use and recycle NAD+ in our NADome and NADomics guide.

Woman holding a Hollywood Elixir box beside a pug, a terrier and a food bowl

NMN, NR and NAD+: three names, three molecules

NAD+ stands for nicotinamide adenine dinucleotide. NMN is nicotinamide mononucleotide, an intermediate used in its production. NR—nicotinamide riboside—is another precursor. In one route, an enzyme adds a phosphate group to NR to make NMN; another reaction turns NMN into NAD+. 1

The names often appear together on supplement pages, but a label that lists NR does not thereby contain NMN. Our NAD+ guide for dogs explains the wider system. If you are comparing bottles, start by identifying the ingredient actually inside each one.

Woman in sportswear holding a Hollywood Elixir box beside a black-and-tan dog outdoors

Is NMN better than NR because it is one step closer?

A pathway drawing can make NMN look like the obvious shortcut. Oral supplementation is more complicated: an ingredient has to move through digestion, absorption and metabolism before a particular tissue can use it.

In mouse muscle-cell experiments, researchers found that enzymes involved in NR metabolism were also needed for the response to externally supplied NMN. That finding shows why counting arrows on a diagram cannot settle which oral product works better. 1

The studies discussed here do not establish an NMN-versus-NR winner in dogs. Compare the preparation, its evidence and its purpose. The NR guide for dogs covers that precursor’s own research.

Woman holding a Hollywood Elixir box above her forehead beside a Bernese mountain dog outdoors

There is NMN research in dogs

The canine evidence is no longer limited to speculation from mouse aging experiments. Three particularly useful papers ask different questions: a 2020 study examined short-term exposure in healthy Beagles; a 2024 experiment measured responses in older working dogs; and a 2026 report followed cardiac blood markers in eight clinical cases. 2 3 4

Taken together, they show why researchers remain interested in NMN. They also reveal how far a claim can travel beyond its source. Normal behavior during a short safety experiment, a change in an inflammatory molecule and a longer, healthier life are three different findings.

Golden retriever nuzzling a woman holding a Hollywood Elixir box on the grass beside a food bowl

What happened in the retired-police-dog study

In 2024, researchers reported an intervention study involving 17 retired police dogs, with an average age of about nine. Five received NMN; the others received rapamycin or a stem-cell treatment. The dogs included Belgian Malinois and Kunming dogs. 3

The NMN group had lower measured levels of two inflammatory signaling proteins, IL-6 and TNF-alpha, after treatment than before it. That is a concrete biological signal, and a reason to investigate further.

There was no untreated or placebo group in this intervention. With five NMN dogs and a before-and-after comparison, the experiment cannot show how much of the change NMN caused. It also did not establish improved day-to-day mobility, memory or lifespan. A separate analysis of 30 dogs appeared in the same paper; those were not 30 dogs treated with NMN.

NMN is a building block for NAD+, which helps a dog’s cells turn nutrients from food into usable energy.

The 2026 heart report: an intriguing marker, a small case series

A more recent report followed eight dogs with elevated NT-proBNP, a blood marker used when evaluating strain on the heart. Several had lower readings after receiving NMN, and some readings returned to the laboratory’s normal range. 4

The dogs had different medical circumstances, and some also received conventional treatment. Two with advanced heart disease continued to have high readings and died despite treatment. The report therefore describes a mixed set of clinical courses, without an untreated comparison.

A falling marker may be useful to investigate, but it does not by itself demonstrate repair of the heart. Kidney function can also affect NT-proBNP interpretation. This company-affiliated case series raises a research question; it does not justify replacing a dog’s cardiac medication with NMN.

Overhead view of a black-and-white dog beside a food bowl and Hollywood Elixir box

What the two-week safety study actually found

The 2020 experiment included ten healthy, four-year-old Beagles. Five received NMN for 14 days and five served as controls. The researchers reported normal activity and coat appearance in the treated dogs. They also found higher serum nicotinamide, a related vitamin B3 compound, and increases in creatinine and uric acid. 2

The distinction between nicotinamide and NAD+ matters here: the canine result was not a direct measurement of increased NAD+ in the dogs’ tissues. Other results in the paper, including increased liver NAD+, came from mice.

This short experiment provides useful tolerability information, with blood changes that warrant further study. It does not establish safety over years or settle use in an older dog with kidney disease.

Woman smiling beside a golden retriever, a green food bowl and a Hollywood Elixir box

Will NMN give an older dog more good days?

That is the outcome most owners care about: enjoying a familiar walk, eating comfortably, sleeping well and remaining interested in life. The NMN studies above have not yet established reliable improvements in those everyday outcomes or demonstrated a longer canine lifespan.

That leaves room for research without making your dog’s current problems wait. Pain can appear as a reluctance to climb stairs, slower movement or a change in behavior. A short video of the movement that worries you can help the veterinary team assess it. 5

If your dog is slowing down, describing when and how it happens gives a clinician more to work with than assuming the dog needs more NAD+.

Man holding a Hollywood Elixir box while sitting on an outdoor sofa with a golden retriever

Why Hollywood Elixir uses NR

If your interest in NMN began with the NAD+ system, it is sensible to consider NR too. Both are connected to NAD+ production, though their chemistry and supplement evidence need to be assessed separately. 1

We use NR in Hollywood Elixir, our 17-active NAD+ longevity system. Each standard 2.5 g sachet contains 60 mg NR within a wider formula for cellular energy and antioxidant nutrition. It contains no NMN. 7

The reason to explore the formula is its broader nutritional design: a precursor for NAD+ together with ingredients involved in energy transfer and antioxidant defense. That offers a relevant alternative for an owner considering daily cellular-energy support, without requiring NMN to be the only route worth discussing.

Why the companion ingredients belong there

The connection between NAD+ and CoQ10 is a chemical handoff. NADH passes electrons through a mitochondrial protein complex to CoQ10, which carries them onward in the process of making usable energy. 8

Glutathione has a different role. An enzyme uses it to convert hydrogen peroxide, a reactive oxygen molecule, into water. 9 Energy production and antioxidant defenses are both part of the same working cell, but they require different molecules.

That is the case behind combining NR, CoQ10 and glutathione in Hollywood Elixir. The complete ingredient panel lets you assess the formula as a whole; the CoQ10 and glutathione guides explain their individual roles. The NMN experiments above did not test this finished combination.

NMN has reached canine studies, but those experiments have not yet shown that it gives dogs more comfortable movement, better memory or a longer life.

CHOOSING A SUPPLEMENT

Considering an NR formula instead?

Hollywood Elixir contains nicotinamide riboside (NR), not NMN. It brings that NAD+ precursor into a 17-active healthy-aging formula with CoQ10, glutathione and other companion nutrients for the usual meal.

Hollywood Elixir box

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Hollywood Elixir — Complete NAD+ & Senior Care

The reason to consider the complete formula is what sits alongside the precursor. NAD+ is involved in turning food into usable cellular energy; CoQ10 carries electrons during energy production, while glutathione participates in antioxidant defense. Hollywood Elixir combines ingredients selected for those different roles in a food-mixed powder.

Each full 2.5 g sachet lists 60 mg NR. The NMN amounts and results discussed in this article cannot be transferred to that NR serving or to the finished formula. A clinical advantage of Hollywood Elixir over NMN products in dogs has not been established.

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Shop Hollywood Elixir

Our NAD+ supplement comparison for dogs places the different precursor formulas side by side. The product page explains Hollywood Elixir’s complete recipe and serving choices.

Sources for this buying guide

La Petite Labs makes Hollywood Elixir.

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DVM Voice: Clinical Vignette of a Common Pattern in Senior Dog Aging

Case provided by JoAnna Pendergrass, DVM

Rex, a 7-year-old Labrador Retriever, was brought in after his owner noticed he was slower to rise, hesitant on stairs, and less able to play as before. Examination showed stiffness and reduced hip mobility; radiographs confirmed degenerative joint changes.

His care required weight management, veterinary-guided pain control, nutritional support, and rehabilitation — a comprehensive plan, but one started only after visible decline appeared.

Clinical takeaway: Rex’s case reflects the value of proactive aging support: maintaining lean body condition, monitoring mobility early, and supporting cellular resilience, antioxidant defense, and healthy inflammatory balance before decline becomes obvious.

Single-case vignette. Not generalizable. Veterinary oversight is essential for pain, stiffness, or suspected joint disease.

Explore Hollywood Elixir Research →
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NMN dosage for dogs: why research numbers are not a dosing chart

The Beagle safety study gave 1,340 mg NMN per dog per day, divided into two administrations. That was a short research exposure in healthy dogs weighing roughly 9–11 kg, not a recommendation for owners. 2

The other canine reports used different protocols and studied different outcomes. They do not establish one NMN dose that reliably improves healthy aging across breeds, sizes and medical conditions.

If a veterinarian recommends a trial, the plan needs the exact product, amount, schedule and reason for using it. Do not convert an NMN research amount into extra sachets of an NR blend. Besides changing the precursor, that would increase every companion ingredient.

Golden retriever nuzzling a man holding a Hollywood Elixir box beside a food bowl

Powder, capsules or drops: the format has to work in the bowl

The simplest format is the one your dog can take reliably under the product’s directions. A powder left in an unfinished meal and drops added to a water bowl both leave uncertainty about how much was consumed. A capsule that gets spat out has the same problem.

Compare the stated amount per capsule, scoop or measured volume. “A dropper” is useful only when the label specifies the volume and ingredient concentration it means. Keep the original packaging and follow its storage directions.

If your dog is refusing food and therefore missing prescribed medicine, tell the prescribing veterinarian promptly. Finding a tasteless supplement does not resolve the more immediate problem of missed treatment.

Golden spaniel eating from a green bowl beside a Hollywood Elixir box

What a useful NMN label should tell you

Look for the full ingredient name, the amount supplied by the directed serving and the complete list of other ingredients. A large number on the front may describe a blend or an entire container rather than the NMN in one serving.

For example, “500 mg blend” does not identify the NMN amount unless the manufacturer discloses it separately. A batch report is more useful when it identifies the product, lot, test and result, so you can see what was actually checked.

Our pet supplement quality guide explains how to read those documents. The details help you judge identity and quality. They do not answer whether that preparation will improve your dog’s health; for that, you need research relevant to the formulation and purpose.

Our Fera Longevity Chews vs Hollywood Elixir comparison shows how those label questions play out across an NMN chew and an NR-based meal powder, including their companion ingredients, serving directions and cost.

Can you give a dog your own NMN supplement?

Check the whole formulation with your veterinarian before sharing a human product. Strengths, added actives, flavorings and sweeteners can make a product unsuitable even when its headline ingredient is the one you intended to buy.

Xylitol is particularly important. It can occur in human supplements and may be labeled birch sugar or wood sugar. It is poisonous to dogs. Suspected ingestion warrants immediate contact with a veterinarian, emergency clinic or animal poison service. 6

A human serving reduced in proportion to body weight is not a validated canine dose. Keep the complete label available when asking about a product.

Existing illness changes the conversation

A dog with kidney disease, heart disease or a complicated treatment plan needs an individual decision. The creatinine and uric-acid changes in the short Beagle study are a reason to discuss kidney health before use. The experiment involved healthy dogs; it did not test NMN as a treatment for kidney patients. 2

Take the proposed label and the list of current medicines and supplements to the clinician overseeing care. If you are trying to understand an existing result, the senior-dog bloodwork guide explains the different parts of a panel. The 2026 cardiac cases give no basis for stopping prescribed heart treatment. 4

For Hollywood Elixir, the same whole-formula review matters: its label includes whey and chicken-derived ingredients alongside the named actives. 7 Dietary restrictions apply to the entire product.

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How to assess a new routine without guessing

Before starting, write down the product, serving and date, along with what you hope to observe. A familiar walking route, appetite and a specific movement such as getting into the car provide clearer reference points than “seems younger.” Keep existing treatment changes in the same record.

Agree on a review plan with your veterinarian. The studies here do not establish a standard number of days before an owner should see a benefit, and a good week cannot reveal a blood NAD+ concentration.

If a new supplement is followed by concerning symptoms or reduced eating, stop it and contact your veterinary team with the packaging and timing. You do not need to complete a planned trial before reporting a problem.

Woman cuddling a brown-and-white spaniel while holding a Hollywood Elixir box

Choosing an NMN product or a broader NAD+ formula

An NMN-only product lets you evaluate that particular ingredient, preparation and amount. An NR-based combination asks a different purchasing question: whether the complete set of ingredients fits the nutritional approach you want.

Hollywood Elixir builds a wider routine around NAD+ supply: 17 actives including NR, ingredients for energy transfer and ingredients for antioxidant defense. Its value is the complete formulation, with distinct roles brought together in one food-mixed powder. Explore it as a considered daily longevity system alongside your dog’s normal nutrition. 7 8 9

Choose it for that combination, rather than treating it as an NMN product under another name. Compare the current dog directions with everything else your dog already receives.

A next step that fits the question you came with

NMN has progressed into small canine studies with findings worth following. The clearest purchase begins with a clear purpose: investigating NMN specifically, comparing NAD+ precursors, or choosing a broader formula for a healthy-aging routine.

For the precursor comparison, continue with NR for dogs. To assess our combined approach, read Hollywood Elixir’s formula and serving directions.

And if a change in your dog’s health prompted the search, bring that change to the veterinary team. Nutritional decisions become more useful when you know what else your dog needs.

Hollywood Elixir uses NR in its 17-active NAD+ longevity system, bringing ingredients for cellular energy and antioxidant defense together in one daily powder.

Educational content only. This material is not a substitute for veterinary advice. Always consult your veterinarian about your dog’s specific needs. These statements have not been evaluated by the Food and Drug Administration. Products mentioned are not intended to diagnose, treat, cure, or prevent any disease.

Glossary

NMN: Nicotinamide mononucleotide, an intermediate used to make NAD+.

NR: Nicotinamide riboside, a precursor that can be converted to NMN in NAD+ synthesis.

NAD+ and NADH: Related forms of a coenzyme that transfers electrons in metabolism.

ATP: A molecule that powers much of a cell’s work.

Mitochondria: Cellular structures involved in producing usable energy.

Nicotinamide: A vitamin B3 compound; measuring it is different from measuring NAD+.

IL-6 and TNF-alpha: Signaling proteins involved in inflammatory responses.

NT-proBNP: A blood marker used in assessing cardiac stress, interpreted with the dog’s clinical findings.

Related Reading

Aging & Senior Dog Guidance
• Dog Age Calculator
• Dog Lifespan by Breed
• Dog Dementia
• Lethargy in Dogs
• My Dog Won't Eat
• Dog Pacing At Night
• Dog Licking Paws
• Can Dogs Dehydrate

Healthy Aging Support
• NAD+ for Dogs
• NMN for Dogs
• Antioxidants Supplements for Dogs
• Best Senior Dog Supplements & Vitamins
• Dog Longevity Drugs
• Rapamycin for Dogs

References

Numbered references identify the sources used for specific claims. Read the study design, species and evidence boundaries alongside each finding.

  1. Rachel S. Fletcher, Joanna Ratajczak, Craig L. Doig, Lucy A. Oakey, Rebecca Callingham, Gabriella Da Silva Xavier, Antje Garten, Yasir S. Elhassan, Philip Redpath, Marie E. Migaud, Andrew Philp, Charles Brenner, Carles Canto, Gareth G. Lavery. Nicotinamide riboside kinases display redundancy in mediating nicotinamide mononucleotide and nicotinamide riboside metabolism in skeletal muscle cells. 2017Species/context: Mouse skeletal-muscle cells and miceEvidence boundary: This research explains how NR and NMN contribute to NAD+ synthesis in mouse muscle cells. It does not compare the clinical effects of oral NMN and NR in dogs.↩ 1 · ↩ 2 · ↩ 3 · ↩ 4 · ↩ 5
  2. Yingnan You, Yang Gao, Han Wang, Jingshu Li, Xiang Zhang, Zhengjiang Zhu, Nan Liu. Subacute Toxicity Study of Nicotinamide Mononucleotide via Oral Administration. 2020· DOI 10.3389/fphar.2020.604404Study design/context: Short oral safety studySpecies/context: Dogs, MiceEvidence boundary: Ten healthy Beagles were studied for fourteen days. The experiment reports both normal activity and changes in blood chemistry, so it cannot settle long-term use in dogs with existing illness.↩ 1 · ↩ 2 · ↩ 3 · ↩ 4
  3. Min Zeng, Tong Zhou, Zhiyu Li, Guimei Li, Shurun Zhang, Lu Wang, Qing‐Guo Huang, Ju‐Dong Li, P. Nadeeshika Samarawickrama, Yonghan He, Guo‐Dong Wang. Transcriptomic and intervention evidence reveals domestic dogs as a promising model for anti-inflammatory investigation. 2024· DOI 10.1111/acel.14127Study design/context: Exploratory intervention with before-and-after comparisonsSpecies/context: DogsEvidence boundary: Five retired police dogs received NMN in a study comparing several interventions with their own starting measurements. The NMN group had no untreated or placebo comparison.↩ 1 · ↩ 2
  4. Zipeng Jiang, Liang Mei, Zhiyi Huang. Exploring the therapeutic potential of β-nicotinamide mononucleotide (NMN) in regulating canine NT-proBNP levels. 2026· DOI 10.5455/javar.2026.m1005Study design/context: Uncontrolled clinical case seriesSpecies/context: DogsEvidence boundary: This report describes eight clinical cases with different medical conditions and concurrent treatments. Changes in a cardiac blood marker cannot establish that NMN repaired the heart or extended life.↩ 1 · ↩ 2 · ↩ 3
  5. American Animal Hospital Association. 2023 AAHA Senior Care Guidelines: Pain Management. 2023Species/context: Dogs, CatsEvidence boundary: The guideline explains how pain can appear in older animals and how observations at home can help a veterinary assessment.↩
  6. U.S. Food and Drug Administration. Paws Off Xylitol; It’s Dangerous for Dogs. Accessed 2026Species/context: DogsEvidence boundary: The FDA explains the danger of xylitol exposure in dogs, including its possible presence in human supplements.↩
  7. La Petite Labs. Hollywood Elixir official ingredient panel. 2026Species/context: Dogs and catsEvidence boundary: The official label identifies the ingredients and amounts in a standard 2.5 g sachet. Hollywood Elixir contains NR and does not list NMN.↩ 1 · ↩ 2 · ↩ 3
  8. Reactome. Complex I oxidises NADH to NAD+, reduces CoQ to CoQH2. Accessed 2026Species/context: Conserved cellular pathway; human curated record with canine orthologueEvidence boundary: This reaction describes the transfer of electrons from NADH through mitochondrial complex I to CoQ. It explains a connection in normal energy metabolism.↩ 1 · ↩ 2 · ↩ 3
  9. Reactome. GPX1 tetramer reduces H2O2 to H2O. Accessed 2026Species/context: Conserved cellular pathwayEvidence boundary: This reaction explains how an enzyme uses reduced glutathione to convert hydrogen peroxide to water.↩ 1 · ↩ 2

Sources for the buying guide

Formula information checked October 25, 2026. Studies concern the interventions and species described; ingredient biology does not establish results from the finished formula.

  1. Hollywood Elixir: current formula and serving options
  2. Bieganowski and Brenner: the NR pathway to NAD+
  3. Reactome: NADH and CoQ in mitochondrial electron transfer
  4. Reactome: glutathione-dependent peroxide handling

FAQ

What is NMN for dogs?

NMN is nicotinamide mononucleotide, a compound cells can use to make NAD+. NAD+ helps transfer electrons in metabolism, allowing cells to use energy from nutrients, and participates in cellular maintenance. That biological role explains research interest; it does not establish that every dog benefits from an NMN supplement.

Does NMN help dogs live longer?

The canine studies discussed here have not demonstrated a longer lifespan. Small experiments and case reports have measured short-term tolerability, inflammatory proteins or a cardiac blood marker. Those findings are worth investigating, but they cannot be converted into a promise of extra years or reliable improvements in everyday activity.

What have NMN studies in dogs found?

A 2024 study reported lower levels of two inflammatory proteins after NMN in five retired police dogs, without an untreated comparison. A 2026 report described falling cardiac-marker readings in several of eight clinical cases, with different illnesses and concurrent treatments. Neither established that NMN caused a lasting clinical improvement.

Is NMN safe for dogs?

A 14-day study in healthy Beagles reported normal activity, but creatinine and uric acid increased in the supplemented group. That is limited short-term information, not a guarantee for lifelong use or for dogs with existing illness. Have the complete product and treatment history reviewed before starting.

What is the NMN dosage for dogs?

The studies do not establish a universal dose for healthy aging. The large amount used in the two-week Beagle safety study was a research exposure, not a home dosing recommendation. If your veterinarian recommends NMN, ask for an exact product, amount and review plan; do not substitute an NR blend at the same number of milligrams.

Is NMN better than NR for dogs?

There is no canine head-to-head winner established by the sources reviewed here. NMN and NR are different precursors connected to NAD+ synthesis. Being one step closer on a pathway diagram does not prove better oral delivery or greater benefit. Compare evidence for the preparation and the purpose you have in mind.

Does Hollywood Elixir contain NMN?

No. Hollywood Elixir uses NR as its NAD+ precursor. A standard 2.5 g sachet contains 60 mg NR, 40 mg CoQ10 and 50 mg reduced glutathione, alongside the rest of the formula. The combination is intended around cellular energy and antioxidant nutrition. Follow the current dog serving directions when evaluating it.

Can I give my dog a human NMN capsule or drops?

Have the complete label checked first. Human strengths and added ingredients may be unsuitable, and adjusting a human serving by weight does not validate it for dogs. Xylitol, sometimes called birch or wood sugar, is poisonous to dogs; contact veterinary or animal poison professionals immediately if ingestion is suspected.

Dalmatian looking toward a Hollywood Elixir box held in a person's hand

Discover LPL-01: How This Fits Into a Larger Canine Longevity System

Aging in dogs is not driven by a single pathway. It’s the result of interacting biological systems—energy metabolism, oxidative stress, immune signaling, and structural integrity—changing over time.

This article explores one piece of that puzzle. If you want to understand how these pieces connect—and what actually moves the needle—you need to zoom out.

Start with the underlying science:

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