Anti-Aging · Reference
Do NAD+ Patches Work? What Is and Is Not Known About NAD Patches
This page explains what an NAD+ patch is, why skin is a difficult route for this molecule, what the research does and does not cover, how to read a patch label, and how prescription NAD+ injections compare. It names no products or companies and makes no claim about what any individual patch contains.
Treatments mentioned
There is no published human evidence that NAD+ patches raise NAD+ levels or do anything else, and there are good reasons to doubt that much NAD+ crosses intact skin. NAD+ is a large, electrically charged molecule that does not easily enter cells even when it is in the bloodstream, and skin is built to keep molecules out. The only published study of NAD+ given directly to people was an intravenous infusion, and most of the human trial evidence in this field is about oral precursors, NMN and NR, not about NAD+ itself and not about patches. A patch is not necessarily inactive, but nobody has shown how much, if any, NAD+ it delivers.
This page explains what an NAD+ patch is, why skin is a difficult route for this molecule, what the research does and does not cover, how to read a patch label, and how prescription NAD+ injections compare. It names no products or companies and makes no claim about what any individual patch contains.
Do NAD+ Patches Work? What Is and Is Not Known About NAD Patches
The short answer
| Question | NAD+ patch | Prescription NAD+ injection |
|---|---|---|
| What is it? | Usually a supplement or wellness product worn on the skin | NAD+ compounded to a prescription by a licensed pharmacy |
| Is the amount delivered known? | Not established | The dose in the vial is stated, for example 83 mg in a 0.83 mL draw |
| Published human evidence for the route? | None found | No randomized trials of the subcutaneous route; one 2019 intravenous pilot of NAD+ |
| Prescription needed? | Usually not | Yes, from a physician licensed in your state |
| Pharmacy accountable for contents? | No pharmacy involved | Yes; lot test results published |
| FDA status | Supplements are not FDA approved before sale | Compounded medications are not FDA approved |
The honest summary for both columns is that human evidence is thin. The difference is that one has a stated, tested dose and the other does not.
Do NAD+ Patches Work? What Is and Is Not Known About NAD Patches
What an NAD+ patch is
An NAD+ patch is an adhesive patch marketed as delivering NAD+, or something said to support it, through the skin over hours. They are sold online and in shops, generally without a prescription, as supplements or wellness products. They are not prescribed, compounded or dispensed by a pharmacy against a prescription.
Labels vary. Some state an amount of NAD+ per patch; some list precursors or vitamin B3 forms instead; some list a blend. Plainly:
- A stated amount in the patch is not the same as an amount absorbed into the body.
- Dietary supplements are not approved by the FDA before they are sold.
- "NAD+" on the front of a package can describe what a product is marketed around rather than what reaches your bloodstream.
- No patch has the kind of human research that exists for oral NAD+ precursors.
Do NAD+ Patches Work? What Is and Is Not Known About NAD Patches
Why skin is a hard route for NAD+
The molecule
NAD+ is nicotinamide adenine dinucleotide, two nucleotides joined through a pyrophosphate bridge. It is large for a small molecule and carries electrical charge, and it does not simply diffuse into cells. As a general rule, the molecules that cross intact skin well are small and fat-soluble. NAD+ is neither.
It is also unstable. The FDA's own 2017 review described it as degrading with heat, in alkaline solution and in light, which is why the injectable vial ships refrigerated and stays out of light. A patch worn against warm skin for hours is a demanding environment for a molecule like that, and whether the NAD+ in a patch survives storage and wear has not been published.
The skin
Skin's outer layer is a barrier of tightly packed cells and lipids. Even a much smaller molecule than NAD+ gets little past it. A 2011 paper in Inflammation Research measured how much of a copper tripeptide, GHK-Cu, penetrates human skin in vitro, layer by layer, and found very little reaches deeper tissue. That is a three-amino-acid peptide in a product designed for the skin. Getting a consistent, useful amount of NAD+ into the circulation through a patch is not something any published study has shown.
Even inside the body, NAD+ is broken down
The only published study of NAD+ given directly to people, a 2019 pilot in Frontiers in Aging Neuroscience, infused it intravenously over six hours. Plasma NAD+ and its metabolites did not rise at all for the first two hours; the molecule was cleared as fast as it arrived. The likeliest reading is that NAD+ in the blood is broken down outside cells into fragments, including nicotinamide and NMN, which tissues rebuild into NAD+ through their recycling pathway. So even if some NAD+ did cross the skin, it would likely meet the same fate.
Do NAD+ Patches Work? What Is and Is Not Known About NAD Patches
What the research does and does not cover
| What has been studied in people | What it showed | Does it apply to patches? |
|---|---|---|
| NAD+ levels in human tissue with age (PLOS ONE, 2012) | Lower NAD+ in older skin; observational | It shows a decline, not that a patch reverses it |
| Intravenous NAD+ infusion (2019 pilot) | Cleared as fast as it arrived for two hours; no clinical outcome tested | No; a different route, and no outcome measured |
| Oral NR, several randomized trials from 2017 to 2024 | Reliable rises in blood NAD+; small, mixed functional effects | No; a different molecule taken by mouth |
| Oral NMN, randomized trials including 2021 and 2023 | Raised blood NAD+; increased muscle insulin sensitivity in one small trial; longer walk distances in another | No; a different molecule taken by mouth |
| NAD+ patches | No published human study found | Not applicable |
Precursor results cannot simply be transferred to NAD+ itself, and they cannot be transferred to a patch at all. A seller quoting NMN or NR trials as evidence for a patch is skipping two steps: a different molecule, and a different route.
There is also no validated routine clinical test for tissue NAD+, and blood is not tissue. A product offering to show your levels rising is overselling what can be measured.
What is established and what is not
| Statement | Status |
|---|---|
| NAD+ is a coenzyme every cell makes and uses in energy metabolism | Established biochemistry |
| NAD+ in human tissue declines with age | Reported in an observational study |
| Oral NR and NMN raise blood NAD+ | Established in randomized trials |
| An NAD+ patch delivers a meaningful amount of NAD+ into the body | Not established |
| An NAD+ patch raises tissue NAD+ | Not established |
| An NAD+ patch improves energy, aging or any outcome | Not established |
This page does not say that every patch contains nothing active, because it has not tested any of them. It says something narrower: no patch has been shown to deliver NAD+, and none has been shown to do what the precursor trials report.
Do NAD+ Patches Work? What Is and Is Not Known About NAD Patches
How to read an NAD+ patch label
| What to check | Why it matters |
|---|---|
| Is the active ingredient named, with an amount per patch? | Without it, there is no dose to talk about |
| Does the label distinguish NAD+ from NMN, NR or niacin? | They are different molecules with different evidence |
| Is there any data on absorption through skin? | An amount in the patch is not an amount absorbed |
| Is there a lot number and a certificate of analysis? | Tells you whether anyone tested what is in it |
| Are there claims about reversing aging or treating disease? | No trial supports those for NAD+ by any route |
The same caution applies to NAD+ powders sold "for research use only". With NAD+ in particular, the FDA warned in October 2024 that food-grade NAD+ powder is not suitable for sterile injections after reports of reactions consistent with endotoxin contamination. See how to tell if a peptide seller is legitimate.
Do NAD+ Patches Work? What Is and Is Not Known About NAD Patches
How prescription NAD+ injections compare
Pepti does not supply patches. It supplies NAD+ as an injection, where the dose is stated and the preparation is tested.
| Product | What is in it | Standard directions | Price |
|---|---|---|---|
| NAD+ Injection | 10 mL vial, 100 mg/mL (1000 mg NAD+) | 0.83 mL (83 units) subcutaneously three times per week | $249/mo |
| NAD+ Injection (500 mg) | 10 mL vial, 50 mg/mL (500 mg NAD+) | 0.83 mL (83 units) subcutaneously three times per week | $229/mo |
Each vial holds 12 doses, about four weeks, so refills run every 28 days, one vial per fill. Vials ship ready to use with directions printed on the vial, sterile syringes and alcohol prep pads, refrigerated with ice packs. Prices are all-in, covering medication, physician review, refill management and shipping, with no membership fee, and Pepti does not bill insurance. Your physician sets your directions after reviewing your intake, and the ones on your vial apply.
To be equally plain about the injection: there are no randomized controlled trials of subcutaneous NAD+ injection in humans. The injection bypasses the gut and the skin, and its dose is known, but whether it does more than oral precursors has not been tested head to head. NAD+ sits in Category 1, under evaluation, on the FDA's 503A list updated 14 May 2026, and compounded NAD+ is not FDA approved. The evidence, benefit by benefit, is in NAD+ benefits, and dosing in NAD+ injection dosage.
Side effects of NAD+ injections
The characteristic reaction happens during the injection: flushing, warmth, tightness in the chest or abdomen, or nausea, fading within minutes and usually tied to injecting quickly. Stinging, redness or a small lump at the site are also common. Chills, shaking or vomiting after a dose are not expected; contact your physician the same day. Facial or throat swelling, a widespread rash or difficulty breathing need emergency care: call 911. More in is NAD+ safe.
If needles are the reason you are looking at patches, can you take peptides without needles covers what the injection actually involves.
Do NAD+ Patches Work? What Is and Is Not Known About NAD Patches
Where to get NAD+ prescribed
- Complete a free online intake covering your history, medications and what you want help with. List any patches or supplements you use.
- A physician licensed in your state reviews it, usually within 24 hours.
- If it is appropriate, a PCAB-accredited, FDA-registered US 503A pharmacy compounds it to that prescription. Lot test results are published at /quality/lab-results.
- It ships refrigerated with your directions printed on the vial.
- Your physician stays reachable for questions and dose changes.
Step by step: how to get NAD+ prescribed online. The full reference is what is NAD+ injection.
References
What this is based on.
References
- Massudi H, Grant R, Braidy N, et al.. Age-associated changes in oxidative stress and NAD+ metabolism in human tissue · PLOS ONE (2012) · PMID 22848760
- Yoshino J, Baur JA, Imai SI. NAD+ Intermediates: The Biology and Therapeutic Potential of NMN and NR · Cell Metabolism (2018) · PMID 29249689
- Verdin E. NAD⁺ in aging, metabolism, and neurodegeneration · Science (2015) · PMID 26785480
- Martens CR, Denman BA, Mazzo MR, et al.. Chronic nicotinamide riboside supplementation is well-tolerated and elevates NAD+ in healthy middle-aged and older adults · Nature Communications (2018) · PMID 29599478
- Dollerup OL, Christensen B, Svart M, et al.. A randomized placebo-controlled clinical trial of nicotinamide riboside in obese men: safety, insulin-sensitivity, and lipid-mobilizing effects · American Journal of Clinical Nutrition (2018) · PMID 29992272
- Yoshino M, Yoshino J, Kayser BD, et al.. Nicotinamide mononucleotide increases muscle insulin sensitivity in prediabetic women · Science (2021) · PMID 33888596
- Yi L, Maier AB, Tao R, et al.. The efficacy and safety of β-nicotinamide mononucleotide (NMN) supplementation in healthy middle-aged adults: a randomized, multicenter, double-blind, placebo-controlled, parallel-group, dose-dependent clinical trial · GeroScience (2023) · PMID 36482258
- Brakedal B, Dölle C, Riemer F, et al.. The NADPARK study: A randomized phase I trial of nicotinamide riboside supplementation in Parkinson's disease · Cell Metabolism (2022) · PMID 35235774
- McDermott MM, Martens CR, Domanchuk KJ, et al.. Nicotinamide riboside for peripheral artery disease: the NICE randomized clinical trial · Nature Communications (2024) · PMID 38871717
- Shiffman S, Stone AA, Hufford MR. Ecological momentary assessment · Annu Rev Clin Psychol (2008) · PMID 18509902
- Conze D, Brenner C, Kruger CL. Safety and Metabolism of Long-term Administration of NIAGEN (Nicotinamide Riboside Chloride) in a Randomized, Double-Blind, Placebo-controlled Clinical Trial of Healthy Overweight Adults · Scientific Reports (2019) · PMID 31278280
- Nacarelli T, Lau L, Fukumoto T, et al.. NAD+ metabolism governs the proinflammatory senescence-associated secretome · Nature Cell Biology (2019) · PMID 30778219
Citations are provided for educational purposes. They do not constitute medical advice. Always discuss any peptide protocol with your prescribing physician.
Common questions
Do NAD+ Patches Work? What Is and Is Not Known About NAD Patches, answered.
There is no published human evidence that they raise NAD+ or produce any effect. NAD+ is a large, charged molecule and skin is a strong barrier, so how much a patch delivers, if anything, is unknown.
It has not been shown. Molecules that cross intact skin well tend to be small and fat-soluble, and NAD+ is neither. Even a three-amino-acid peptide, GHK-Cu, showed very little penetration into deeper skin in a 2011 study.
Nobody has compared them. The injection has a stated, tested dose; the patch does not have a known absorbed dose. Neither has randomized trial evidence for its route.
There is no comparison. Oral NMN and NR at least have randomized trials showing they raise blood NAD+. Patches have no comparable published research.
This page cannot say what any particular patch contains, so it cannot speak to the safety of one. Skin irritation from adhesives is possible with any patch. Tell your physician about anything you use.
A product sold as a supplement is not FDA approved, because dietary supplements are not approved before they are sold. Compounded NAD+ injections are not FDA approved either.
There is no evidence-based answer, because there is no evidence they work. Any timeline quoted for a patch was invented.
No. It is a coenzyme made of two nucleotides. See is NAD a peptide.
Tell your physician about any patch or supplement you use. An unknown product makes it harder to tell what is causing a reaction.
At Pepti, $249 a month for the 1000 mg vial and $229 a month for the 500 mg vial, all-in.
No. Bloodwork is not required for any Pepti treatment. If your physician wants labs for your care, they'll ask through your account. The free assessment goes to a physician licensed in your state. A consultation does not guarantee a prescription.
Next step
See what a physician recommends for you.
A licensed physician in your state reviews your intake and decides what is appropriate. A consultation does not guarantee a prescription.