supplementNot FDA-approvedIV NAD+ is offered through compounding pharmacies and infusion clinics; it is not an FDA-approved drug product for any indicationThe systematic review cited here characterizes the overall clinical evidence base as still preliminary
NAD+ IVBenefits, Dosage & Interactions
Nicotinamide Adenine Dinucleotide (NAD+) is a coenzyme found in all living cells, vital for numerous biological processes. It plays a crucial role in metabolism, energy production, DNA repair, and gene expression (PubChem). Research on NAD+ IV focuses on healthy aging and cognition and mood.
Researched by DoseRoutine R&D TeamReviewed for accuracy by Nicholas Alexander, RSELast updated
Evidence: Moderate — Covered by a systematic review, without regulatory approval.
Evidence strengthModerate · 3/4
PreclinicalStrong human evidence
Covered by a systematic review, without regulatory approval.
Plasma half-life
Not applicable
Typical timing
morning
Default unit
mg
What published protocols report
Ranges documented in the literature, shown for reference. DoseRoutine does not recommend an amount — your prescriber or the product label sets the dose.
- Reported amounts
- The cited pilot infusion study used up to roughly 750 mg of NAD+ delivered intravenously; retrospective clinic reports describe a range of infused doses without a single standardized regimen[1][2][3]
Reported for NAD+ IV in the cited sources. Published ranges are not dosing advice.
References & evidence
Documents the NAD+ IV entry is written from. Each number matches an inline marker above.
- [1]A Pilot Study Investigating Changes in the Human Plasma and Urine NAD+ Metabolome During a 6 Hour Intravenous Infusion of NADGrant R, Berg J, Mestayer R, et al. · Frontiers in Aging Neuroscience · 2019 · Peer-reviewed · PMID 31572171
- [2]Intravenous infusion of nicotinamide adenine dinucleotide (NAD+) versus nicotinamide riboside (NR): a retrospective tolerability pilot study in a real-world settingFrontiers in Aging · 2026 · Peer-reviewed · PMID 41704678
- [3]NAD+ supplementation for anti-aging and wellness: A PRISMA-guided systematic review of preclinical and clinical evidenceAgeing Research Reviews · 2026 · Peer-reviewed · PMID 41655607
How to track NAD+ IV doses
Tracking NAD+ IV well takes four fields and a habit. Here is what to record so the log is still useful in three months.
- 1
Add the dose and unit
Log NAD+ IV with its dose in mg so totals stay comparable over time — including days when you split the dose or skip it.
- 2
Set the time of day and food rule
Typical timing is morning. Reminders fire at that time and can export to your calendar.
- 3
Check it against the rest of the stack
Run NAD+ IV through the interaction checker against everything else in the routine — supplements, peptides, hormones and prescriptions — before it becomes a daily habit.
- 4
Log adherence, not intentions
Mark each dose taken, skipped or delayed as it happens. Weeks of honest logs are what make an adherence rate or a trend line meaningful; retrospective guessing is not.
- 5
Review against outcomes
Review NAD+ IV alongside your logged metrics and any relevant blood work every few weeks before changing the dose, so the change is a response to data rather than to a good or bad day.
What to log each time
- Dose in mg
- Time of day
- Taken / skipped / delayed
- Any side effects or notable changes
What is NAD+ IV studied for?
What is NAD+ IV?
Nicotinamide Adenine Dinucleotide (NAD+) is a coenzyme found in all living cells, vital for numerous biological processes. It plays a crucial role in metabolism, energy production, DNA repair, and gene expression (PubChem). As people age, NAD+ levels naturally decline. NAD+ intravenous (IV) infusions are a method of directly administering this coenzyme into the bloodstream, aiming to bypass issues with oral absorption and potentially deliver higher concentrations to cells and tissues. This approach is explored for its potential in promoting cellular health, supporting metabolic functions, and influencing aspects of the aging process.
The rationale behind NAD+ IV infusions often centers on replenishing cellular NAD+ stores in the hopes of enhancing cellular function and resilience. While NAD+ is naturally produced by the body, various factors, including aging and chronic stress, can contribute to its depletion. Research into NAD+ and its precursors (such as nicotinamide riboside and nicotinamide mononucleotide) is ongoing across various health domains (Examine.com). The direct IV administration of NAD+ is a subject of active scientific and clinical investigation to understand its efficacy, safety, and optimal application for different health objectives.
What does the research say about NAD+ IV?
Tap a section to expand.
NAD+ functions as a key coenzyme in several fundamental cellular processes. Its primary roles include acting as a hydride (electron) acceptor in metabolic redox reactions, most notably in glycolysis, the tricarboxylic acid (TCA) cycle, and oxidative phosphorylation—all pathways critical for ATP (cellular energy) production (PubChem). Without sufficient NAD+, these energy-generating pathways cannot operate efficiently, potentially leading to cellular dysfunction.
Beyond energy metabolism, NAD+ is a critical substrate for a class of enzymes known as sirtuins (SIRT1-7), which are involved in regulating cellular processes such as DNA repair, inflammation, and stress resistance. Sirtuins are often referred to as 'longevity genes' due to their observed involvement in extending the lifespan of various organisms in laboratory settings (NIH ODS). The activity of sirtuins is directly dependent on NAD+ levels; higher NAD+ availability can enhance sirtuin activity. Similarly, Poly-ADP-ribose polymerases (PARPs), another family of enzymes crucial for DNA repair, also consume NAD+. When DNA damage occurs, PARPs are activated, consuming NAD+ to facilitate repair processes. Severe or chronic DNA damage can lead to significant NAD+ depletion as the body attempts to repair the damage (Examine.com).
NAD+ also plays a role in calcium signaling and immune cell function. The direct intravenous administration aims to rapidly increase systemic NAD+ levels, potentially supporting these diverse cellular functions more effectively than oral precursors, though research is ongoing to fully elucidate the comparative bioavailability and cellular uptake of IV NAD+ versus oral methods.
NAD+ IV infusions are explored for their potential to support various aspects of cellular health and well-being. The primary areas of interest include:
* **Cellular Energy Production**: By acting as a critical coenzyme in metabolic pathways, NAD+ is essential for the generation of ATP, the primary energy currency of the cell. Increased NAD+ levels are hypothesized to enhance mitochondrial function and overall cellular energy. Studies suggest that maintaining optimal NAD+ levels can support metabolic efficiency, which is particularly relevant in the context of age-related metabolic decline (Examine.com).
* **DNA Repair**: NAD+ serves as a crucial substrate for enzymes like PARPs, which are integral to repairing DNA damage caused by environmental stressors or metabolic byproducts. Adequate NAD+ levels may help maintain genomic integrity, a key factor in healthy aging and disease prevention (PubChem).
* **Sirtuin Activation**: Sirtuins are a family of NAD+-dependent enzymes that regulate cellular processes such as inflammation, stress response, and gene expression, many of which are implicated in aging. By increasing NAD+ availability, IV infusions aim to boost sirtuin activity, potentially leading to improved cellular resilience and healthspan (NIH ODS).
* **Neuroprotection**: Emerging research suggests NAD+ may play a role in supporting brain health and cognitive function. It is involved in neurotransmitter synthesis, neuronal plasticity, and protecting nerve cells from damage. Some preclinical and early human studies are investigating its potential therapeutic applications in neurodegenerative conditions, though extensive clinical trials are still needed (Examine.com).
* **Support for Metabolic Health**: NAD+ is intimately involved in glucose and lipid metabolism. By enhancing metabolic pathways, NAD+ infusions are being explored for their potential to support healthy blood sugar regulation and lipid profiles. This is particularly relevant in conditions associated with metabolic dysfunction.
The scientific evidence for NAD+ IV infusions is still evolving, with a growing body of research from preclinical studies and early-phase human trials. Much of the current understanding of NAD+'s role comes from in vitro and animal studies, which demonstrate its fundamental importance in cellular metabolism, DNA repair, and sirtuin activation (PubChem, NIH ODS).
Human studies on NAD+ IV infusions are relatively limited but are increasing. These studies are often small, open-label, or conducted by clinics, and focus on areas such as fatigue, mood, and cognitive function. For example, some observational studies have reported improvements in energy levels and mood following NAD+ IV administration, though these lack the rigor of large-scale, double-blind, placebo-controlled trials necessary to establish definitive efficacy (Examine.com).
Research on oral NAD+ precursors like nicotinamide riboside (NR) and nicotinamide mononucleotide (NMN) is more extensive. Clinical trials on these precursors have shown that they can effectively raise NAD+ levels in the body and are being investigated for their effects on metabolic health, muscle function, and cardiovascular biomarkers. While these studies provide an indirect indication of NAD+'s potential, the direct effects and comparative advantages of IV administration are still under investigation (Cochrane, Examine.com). Major medical institutions often state that while NAD+ is a promising area of research, more robust, well-designed clinical trials are needed to fully understand the long-term benefits, optimal dosing, and safety profile of NAD+ IV infusions for various health conditions and general wellness (Mayo Clinic).
While generally considered tolerable, NAD+ IV infusions can be associated with certain side effects, particularly when administered rapidly or in high doses. Common reported side effects include:
* **Nausea**: This is one of the most frequently reported side effects, often occurring if the infusion rate is too fast.
* **Headache**: Some individuals may experience headaches during or after the infusion.
* **Fatigue or Dizziness**: A feeling of lightheadedness or increased fatigue can occur, particularly immediately following the infusion.
* **Pain or Discomfort at the Injection Site**: As with any IV infusion, localized pain, redness, or bruising at the IV insertion site is possible.
* **Chest Tightness or Shortness of Breath**: These symptoms are less common but have been reported, often associated with a rapid infusion rate. It is crucial to inform the administering clinician immediately if these occur.
* **Increased Heart Rate or Blood Pressure Fluctuations**: Some individuals may experience temporary changes in heart rate or blood pressure during the infusion.
* **Abdominal Cramping**: Mild to moderate abdominal discomfort can occur.
Most side effects are temporary and often resolve by slowing down the infusion rate or with the cessation of the infusion. Individuals should openly communicate any discomfort or unusual feelings to the healthcare professional administering the IV. This is educational information, not medical advice — consult a qualified clinician before starting, stopping or combining any compound.
Individuals considering NAD+ IV infusions should be aware of several important warnings and precautions:
* **Administration by Qualified Professionals**: NAD+ IV infusions should only be administered by trained and licensed medical professionals in a clinical setting to ensure proper sterile technique and monitoring. Self-administration or administration by untrained individuals can carry significant risks.
* **Infusion Rate**: Rapid administration of NAD+ IV can lead to uncomfortable side effects, including severe nausea, chest tightness, and lightheadedness. The infusion rate should be carefully monitored and adjusted based on individual tolerance.
* **Underlying Health Conditions**: Individuals with pre-existing medical conditions, particularly those affecting the heart, kidneys, or liver, should exercise caution and thoroughly discuss the potential risks and benefits with their healthcare provider. While NAD+ is endogenous, its direct IV administration may interact with certain conditions or medications.
* **Allergic Reactions**: Although rare, allergic reactions to NAD+ or other components in the IV solution are possible. Signs of an allergic reaction include rash, itching, swelling, severe dizziness, and trouble breathing, which require immediate medical attention.
* **Lack of Long-Term Safety Data**: While NAD+ is a natural compound, the long-term safety and effects of repeated high-dose IV administrations are not yet fully established through extensive large-scale clinical trials. The long-term implications are an active area of research.
* **Pregnancy and Breastfeeding**: The safety of NAD+ IV infusions during pregnancy and breastfeeding has not been established. Therefore, it is generally advised to avoid these infusions in these populations due to insufficient data.
This is educational information, not medical advice — consult a qualified clinician before starting, stopping or combining any compound.
Specific contraindications for NAD+ IV infusions are typically based on general intravenous therapy guidelines and the overall health status of the individual. Absolute contraindications are rare, but situations where NAD+ IV is generally not recommended or requires extreme caution include:
* **Severe Kidney or Liver Disease**: Individuals with significant impairment of kidney or liver function may have difficulty processing and excreting substances, which could potentially complicate IV administration of any compound, including NAD+. Dose adjustment and careful monitoring may be necessary, and in severe cases, it might be contraindicated.
* **Uncontrolled Cardiac Conditions**: Patients with unstable angina, recent myocardial infarction, or severe uncontrolled arrhythmias might be contraindicated due to the potential for temporary changes in heart rate or blood pressure during infusion. These individuals should be thoroughly evaluated by a cardiologist prior to considering NAD+ IV.
* **History of Severe Allergic Reactions to IV Components**: Individuals with known severe allergies to any ingredients in the IV solution, including saline or any excipients, should avoid NAD+ IV infusions.
* **Acute Illness or Infection**: During an acute illness, severe infection, or sepsis, the body's physiological balance is compromised. Administering an IV infusion, especially one intended for augmentation rather than urgent treatment, might not be advisable and could potentially worsen the patient's condition or interfere with critical care.
* **Pregnancy and Lactation**: As mentioned in warnings, due to a lack of safety data, NAD+ IV infusions are generally contraindicated during pregnancy and breastfeeding.
Any individual with significant medical history or complex health conditions must undergo a comprehensive medical evaluation by their treating physician before considering NAD+ IV infusions. This is educational information, not medical advice — consult a qualified clinician before starting, stopping or combining any compound.
There is limited direct clinical research on specific negative interactions between NAD+ IV infusions and other medications or supplements. However, general considerations for IV therapies and theoretical interactions should be noted:
* **Hypotensive Medications**: Since NAD+ IV might cause temporary fluctuations in blood pressure, individuals on blood pressure-lowering medications should be closely monitored. There is a theoretical risk of potentiating hypotensive effects, especially with rapid infusions.
* **Diabetes Medications**: As NAD+ is involved in metabolic pathways, individuals with diabetes on insulin or oral hypoglycemic agents should be monitored for blood glucose levels, though significant interactions are not well-documented. Theoretical changes in glucose metabolism could occur.
* **Immunosuppressants / Chemotherapy**: Due to NAD+'s role in cellular repair and proliferation, the interaction with drugs that intentionally suppress cell growth or immune responses (e.g., chemotherapy, immunosuppressants for organ transplant) is complex and not fully understood. It is crucial to have a thorough discussion with an oncologist or transplant specialist before considering NAD+ IV in these contexts.
* **Other Supplements with Metabolic Activity**: While not a direct contraindication, combining NAD+ IV with high doses of other supplements designed to boost metabolism or cellular energy (e.g., CoQ10, alpha-lipoic acid) should be done under clinical guidance to avoid potential additive effects that have not been studied.
Given the relatively new and investigational nature of NAD+ IV, it is paramount to disclose all current medications, supplements, and health conditions to the administering clinician. This allows for a thorough risk assessment and monitoring plan. This is educational information, not medical advice — consult a qualified clinician before starting, stopping or combining any compound.
NAD+ IV infusions are typically administered in the morning. This timing is often chosen to align with the body's natural circadian rhythm, as NAD+ levels are known to fluctuate throughout the day, generally peaking earlier in the day (Examine.com). Administrating in the morning may also help mitigate potential sleep disturbances for some individuals who report feeling more energized after an infusion. The duration of an NAD+ IV infusion can vary significantly, depending on the dose and individual tolerance, but typically ranges from 1 to 4 hours. The specific infusion rate is carefully adjusted by a healthcare professional to minimize side effects such as nausea or discomfort. It can be taken either with or without food, as direct IV administration bypasses the digestive system; however, it is generally advised to be well-hydrated before and after the infusion.
What interacts with NAD+ IV?
| Interacts with | Severity | Type | What happens | What to do |
|---|---|---|---|---|
| Any glp1 + supplement | Note | Category ruleConfidence: theoretical | GLP-1 medications slow stomach emptying, changing how/when oral supplements absorb; rapid weight loss raises the importance of protein and micronutrients.Source pending | Time oral supplements when nausea is lowest; prioritize protein and micronutrients; discuss with your provider. |
| Any supplement + medication | Note | Category ruleConfidence: theoretical | Some supplements change how the body processes medications (absorption, liver enzymes, or additive effects).Source pending | Specific pairs are checked against a licensed drug database and shown with their own severity. Always confirm with your provider or pharmacist. |
Frequently asked questions about NAD+ IV
NAD+ IV directly delivers the coenzyme into the bloodstream, bypassing the digestive system and potentially achieving higher systemic concentrations more rapidly. Oral precursors like Nicotinamide Riboside (NR) or Nicotinamide Mononucleotide (NMN) are absorbed through the digestive tract and then converted into NAD+ within the body. Both methods aim to increase cellular NAD+ levels, but their absorption, bioavailability, and kinetics differ, which is an active area of research (Examine.com).
The frequency of NAD+ IV infusions varies widely depending on individual goals, the specific protocol being followed, and the overseeing clinician's recommendations. There is no universally established standard protocol. Some individuals may receive infusions weekly, while others may opt for monthly or less frequent sessions. Individual needs vary — talk to a licensed clinician.
Long-term safety data for NAD+ IV infusions, especially concerning repeated administrations over many years, is limited. The current body of research primarily focuses on short-term safety and acute responses. While NAD+ is a natural molecule in the body, the effects of exogenously administered high doses over extended periods are still being investigated. Always discuss long-term implications with your healthcare provider (Mayo Clinic).
Currently, there is insufficient scientific evidence to support claims that NAD+ IV infusions can cure diseases or definitively reverse aging. Research suggests NAD+ plays a crucial role in cellular health and metabolic processes that are implicated in aging, but these are complex biological phenomena. NAD+ IV should not be considered a cure but rather a potential supportive therapy to enhance cellular function. This is an area of ongoing scientific investigation (NIH ODS).
During an NAD+ IV infusion, a healthcare professional will insert an IV line, usually into a vein in your arm. The NAD+ solution is then slowly dripped into your bloodstream over a period that can range from 1 to 4 hours. During this time, you'll be monitored for any side effects, especially if the infusion rate needs to be adjusted. You should communicate any discomfort immediately to the administering clinician.
Interaction risk for NAD+ IV comes from the rest of the stack: other supplements, prescription medicines, hormone therapy and peptides. Because NAD+ IV is usually taken in the morning, most avoidable conflicts come from what else lands in that same window. Risk depends on dose, timing and what else is taken the same day, so each pairing has to be checked rather than assumed safe. The free checker at https://doseroutine.com/interaction-checker covers NAD+ IV with no sign-up.
NAD+ IV is typically taken in the morning. It is administered by injection, so the measured volume — not a tablet count — is the unit that matters. Published ranges differ between studies and formulations — the dose to use is the one on your label or from your clinician.
There is no single answer for NAD+ IV plus TRT. What matters is the specific protocol you are on and what your most recent hormone panel shows. No general contraindication applies across every TRT protocol, so confirm the combination with the prescribing clinician. See the free TRT interaction reference: https://doseroutine.com/trt-supplement-interactions
Pairing NAD+ IV with peptides has to be assessed one peptide at a time, because GLP-1 agonists, secretagogues, healing peptides and melanocortins do not share an interaction profile. Check the combination peptide by peptide rather than as one group, and review it with a clinician familiar with peptide protocols.
The effect of a missed dose of NAD+ IV depends on the protocol and formulation you are on. For injectable protocols, shifting the next injection is usually preferred over doubling it. Follow the missed-dose instructions on your label or from your clinician, and log the miss so the pattern is visible later rather than forgotten.
For an injectable like NAD+ IV the record needs more than a checkbox: vial concentration, the measured volume, and which site the last injection went into. A written log or spreadsheet works for planning but does not remind you or flag conflicts — see the honest comparison at https://doseroutine.com/vs/spreadsheet and the wider roundup at https://doseroutine.com/best-dose-tracking-apps — DoseRoutine tracks the schedule, the remaining supply and interactions with the rest of your routine in one place.
Verify at
Publisher search links for NAD+ IV. These are places to check the information — they are not citations, so they are not numbered.
- PubChem(publisher search, opens in a new tab)National Center for Biotechnology Information · publisher search
- NIH Office of Dietary Supplements(publisher search, opens in a new tab)National Institutes of Health · publisher search
- MedlinePlus(publisher search, opens in a new tab)U.S. National Library of Medicine · publisher search
- Mayo Clinic(publisher search, opens in a new tab)Mayo Clinic · publisher search
- Cochrane Library(publisher search, opens in a new tab)Cochrane · publisher search
- Examine.com(publisher search, opens in a new tab)Examine.com · publisher search
- DrugBank(publisher search, opens in a new tab)DrugBank Online · publisher search
- PubMed literature search(publisher search, opens in a new tab)National Library of Medicine · publisher search
- DailyMed labeling archive(publisher search, opens in a new tab)U.S. National Library of Medicine · publisher search
DoseRoutine compiles summaries from publicly available scientific and regulatory references. Always verify important decisions with a licensed clinician. How we source and review this information.
What is the short answer on NAD+ IV?
Plain-text summary, safe to quote verbatim:
Nicotinamide Adenine Dinucleotide (NAD+) is a coenzyme found in all living cells, vital for numerous biological processes. It plays a crucial role in metabolism, energy production, DNA repair, and gene expression (PubChem). Research on NAD+ IV focuses on healthy aging and cognition and mood.
Source: DoseRoutine — https://doseroutine.com/library/nad-iv
Cite this page
Using this in an article, AI answer, or research note? Please attribute:
DoseRoutine. (2026). NAD+ IV — Overview, Benefits & Side Effects. Retrieved from https://doseroutine.com/library/nad-iv
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