Why Your Cells May Be Running on Empty — And What NAD+ Has to Do With It
NAD plus treatment is a therapy designed to restore declining levels of nicotinamide adenine dinucleotide (NAD+) — a coenzyme found in every cell of your body that drives energy production, DNA repair, and healthy aging.
Here’s a quick overview of what you need to know:
| Question | Quick Answer |
|---|---|
| What is it? | A therapy that replenishes NAD+, a coenzyme essential for cellular energy and repair |
| How is it given? | IV infusion, injection, oral supplements, nasal spray, or patch |
| Who is it for? | Adults experiencing fatigue, brain fog, chronic pain, or age-related decline |
| Main benefits claimed | More energy, sharper focus, pain relief, mood support, anti-aging |
| Is it safe? | Generally yes, when supervised by a medical professional |
| How soon do effects show? | Days to weeks, depending on method and individual response |
Think about how you feel at 2 p.m. on a hard day — foggy, drained, reaching for your third coffee. Now imagine that feeling isn’t just about sleep or stress. Imagine it starts inside your cells, at the level of your mitochondria.
That’s where NAD+ comes in.
NAD+ is not a drug or a trend. It’s a molecule your body already makes — and needs — to produce energy, repair damaged DNA, and keep your brain and organs functioning at their best. The problem? Levels drop significantly as you age. Research suggests NAD+ levels can fall by as much as 50% by age 40 and may be 70–80% lower by age 60.
That decline is linked to fatigue, inflammation, slower recovery, and even conditions like chronic pain and metabolic disorders — issues that affect millions of people across the Chicago area every day.
The good news: there are now several ways to replenish NAD+ — from clinical IV infusions to at-home supplements — and the science behind them is growing fast.
I’m Ana Vinikov, Practice Manager at Global Clinic, a multidisciplinary medical center with over 20 years of experience helping patients in Northern Chicago find lasting, non-surgical relief from pain and chronic conditions. Our team works with patients exploring nad plus treatment as part of a broader, personalized approach to cellular health and recovery. In this guide, we’ll walk you through everything you need to know — from the biology behind NAD+ to what the current research actually supports.

Simple guide to nad plus treatment:
What Is NAD+ and Why Does It Matter So Much?
To understand why your cells might be “begging” for an nad plus treatment, we have to look at the microscopic engines inside you. NAD+ stands for nicotinamide adenine dinucleotide. It is a vital coenzyme derived from Vitamin B3 (niacin) and is present in every single living cell.
Without NAD+, life as we know it would stop in seconds. It acts as a “shuttle,” moving electrons from one molecule to another during metabolic reactions. This process is essential for creating ATP (adenosine triphosphate), which is the primary fuel source for your body. If your body is a car, ATP is the gasoline, and NAD+ is the spark plug that ignites the engine.
Beyond just energy, NAD+ is a critical “helper” molecule for several classes of proteins:
- Sirtuins: Often called “longevity genes,” these proteins protect your DNA and regulate cellular aging. They only work when enough NAD+ is present. You can learn more about the biological role of sirtuins and how they impact the aging process.
- PARPs: These enzymes are responsible for repairing damaged DNA. When your cells face stress or toxins, PARPs jump into action, but they consume a lot of NAD+ to get the job done.
- Immune Signaling: NAD+ helps regulate your immune response, ensuring your body can fight off threats without falling into a state of chronic inflammation.
How NAD+ powers energy, repair, and brain function
In our clinics from Skokie to Des Plaines, we often see patients who feel “burnt out” despite getting enough sleep. This is often a sign of mitochondrial dysfunction. When NAD+ levels are high, your mitochondria are efficient, churning out energy and keeping your brain sharp.
For the brain, NAD+ is particularly important. It supports the production of neurotransmitters like serotonin and helps protect neurons from oxidative stress. This is why many people who undergo nad plus treatment report a lifting of “brain fog” and an improved ability to focus on complex tasks. It’s not just a stimulant effect like caffeine; it’s a fundamental restoration of cellular energy.

Why NAD+ levels decline with age
It’s one of the cruel jokes of biology: as we get older and need more repair, our bodies produce less of the molecule that does the repairing. By the time we reach age 60, our NAD+ levels may have plummeted to just 20% of what they were in our youth.
Several factors drive this decline:
- CD38 Overactivity: As we age, our bodies develop a state of low-grade, chronic inflammation (sometimes called “inflammaging”). This triggers an enzyme called CD38, which is a voracious consumer of NAD+. Essentially, your body starts “leaking” NAD+ faster than it can make it.
- DNA Damage: Years of exposure to UV rays, pollution, and metabolic waste lead to DNA breaks. Your PARP enzymes work overtime to fix these, burning through your NAD+ reserves.
- Rodent Data Insights: Research in rodents has shown that NAD+ levels in the heart can decline by up to 65% in older animals compared to younger ones. This decline is directly linked to a loss of cardiac efficiency and a higher risk of heart failure.
NAD Plus Treatment Explained: What It Is and How It’s Given
If you’re considering an nad plus treatment, you’ll find there isn’t just one way to get this coenzyme into your system. Because the molecule is quite large and fragile, getting it to where it needs to go — inside your cells — requires specific delivery methods.
At Global Clinic, we focus on evidence-based regenerative medicine. Whether you are visiting our Niles or Chicago locations, the goal of nad plus treatment is to bypass the limitations of the digestive system to ensure maximum bioavailability.
IV NAD plus treatment vs injections vs oral options
The method of administration significantly impacts how much NAD+ actually reaches your bloodstream.
- IV Infusion: This is often considered the “gold standard.” By delivering NAD+ directly into the vein, we achieve nearly 100% absorption. It bypasses the “first-pass metabolism” of the liver and the destructive acids of the stomach.
- Injections: NAD+ injections are a popular middle ground. They are quicker than an IV and offer high absorption (roughly 90% compared to 50% for oral vitamins). Many patients use these for consistent maintenance.
- Oral Supplements: While convenient, oral NAD+ is often broken down in the gut into smaller precursors like nicotinamide before it ever reaches your cells.
- Nasal Sprays and Patches: These are newer options. Nasal sprays are often used for direct cognitive support, while transdermal patches use iontophoresis (a tiny electric current) to push the molecule through the skin over several hours.
| Feature | IV Infusion | Injections | Oral Precursors (NMN/NR) |
|---|---|---|---|
| Absorption | ~100% | ~90% | Variable (low) |
| Duration | 60–180 minutes | Minutes | Seconds |
| Best For | Acute recovery, detox | Maintenance, energy | Daily health support |
| Setting | Clinical supervision | Clinical or At-home | At-home |
More info about what is NAD injections
The main NAD+ precursors: NR, NMN, nicotinamide, and niacin
If you’ve looked into nad plus treatment, you’ve likely seen labels for NR (Nicotinamide Riboside) and NMN (Nicotinamide Mononucleotide). These are “precursors” — the building blocks your body uses to manufacture NAD+ via the “salvage pathway.”
In the human heart, the amidated pathway accounts for a staggering 99.3% of cardiac NAD+ stores. This means the heart is incredibly reliant on having the right precursors available. Interestingly, while nicotinamide (a form of B3) is abundant in our circulation (2000 nmol/L), NR is much rarer (only 7 nmol/L). Supplementing with these specific precursors is a way to “feed” the machinery that creates NAD+.
What a typical nad plus treatment plan may look like
A professional nad plus treatment is not a “one and done” event. Because the body uses NAD+ so quickly, a structured plan is usually necessary to see lasting results.
- The Loading Phase: For those dealing with severe fatigue or addiction recovery, a series of infusions is often recommended. In addiction treatment, most patients need roughly 6 to 10 days of NAD infusion to feel the full effects and see a reduction in cravings.
- The Infusion Process: During an IV session, the drip must be administered slowly. If it goes in too fast, you might feel a “tightness” in the chest or mild nausea. Our medical staff monitors vital signs throughout the 60 to 90-minute session to ensure you are comfortable.
- Maintenance: After the initial loading, many patients move to monthly “top-off” IVs or weekly injections to maintain their energy levels.
Claimed Benefits of NAD Plus Treatment for Energy, Pain, Mood, and Healthy Aging
Why is everyone from professional athletes to busy executives in the Northbrook and Glenview areas suddenly talking about nad plus treatment? It’s because the benefits touch almost every aspect of how we feel on a daily basis.
Why patients seek nad plus treatment for fatigue, brain fog, and recovery
The most common reason patients walk through our doors for NAD+ is simple: they are tired. But this isn’t just “I stayed up too late” tired; it’s a deep, cellular exhaustion.
- Chronic Fatigue: By boosting ATP production, NAD+ helps restore “deep energy” rather than the “stimulant energy” you get from caffeine.
- Athletic Recovery: Athletes use NAD+ to speed up muscle repair and reduce the oxidative stress caused by intense training.
- Brain Fog: Many people find that after a session, the “cobwebs” in their mind clear. This is likely due to NAD+’s role in protecting neurons and supporting mitochondrial health in the brain.
More info about benefits of NAD infusion
Can NAD+ help with pain, inflammation, mood, and addiction?
One of the most exciting areas of nad plus treatment is its application in pain management and addiction recovery.
- Non-Opioid Pain Relief: NAD+ helps reduce inflammation by activating sirtuins, which can dampen the inflammatory response. This makes it a valuable tool for those dealing with chronic pain or neuropathy who want to avoid or reduce their reliance on opioids.
- Addiction Support: NAD+ has been used for decades to help patients detoxing from alcohol or opioids. It is thought to “flush” the drugs from the system and help the brain’s receptors return to a normal state, significantly reducing withdrawal symptoms and cravings.
- Mood Elevation: By supporting the production of neurotransmitters like serotonin and dopamine, NAD+ can help stabilize mood and reduce symptoms of anxiety and depression.
More info about NAD injection benefits
Anti-aging claims: what’s plausible and what’s overstated
We have to be careful when using the term “anti-aging.” While nad plus treatment won’t make you 20 years old again, it can help your cells function like they did when you were younger.
The most plausible anti-aging benefits involve:
- DNA Repair: Supporting the PARP enzymes that fix genetic mutations.
- Metabolic Health: Improving how your body processes glucose and fats.
- Skin Vitality: Some patients use topical NAD+ creams to improve skin texture and hydration.
However, it is not a “magic pill.” It works best when combined with a healthy lifestyle and professional medical guidance.
What the Research Says About NAD+ Therapy So Far
At Global Clinic, we pride ourselves on being evidence-based. While the “hype” around nad plus treatment is high, it’s important to look at what the clinical trials actually show.
Human evidence for NAD+ in heart health and metabolism
The heart is a “gas guzzler.” It has the highest energy demand of any organ and never stops working. This makes it uniquely vulnerable to NAD+ depletion.
- Heart Failure: Heart failure with preserved ejection fraction (HFpEF) affects half of all heart failure patients. Research suggests that restoring NAD+ levels can improve the heart’s pumping efficiency. According to research published by the National Institutes of Health, NAD+ precursors have shown promise in supporting cardiovascular function.
- Insulin Resistance: In mouse models, a 50% reduction in insulin-induced glucose uptake in the heart (caused by NAMPT deficiency) was successfully rescued by NMN supplementation.
- Blood Pressure: A pilot study showed that 6 weeks of NR supplementation could reduce systolic blood pressure and aortic stiffness in healthy middle-aged and older adults.
What we know about addiction recovery, pain, and neurologic symptoms
While large-scale human trials are still ongoing, the anecdotal and small-study evidence for addiction is compelling. The 6 to 10-day protocol for withdrawal has helped thousands of patients transition through the hardest part of recovery with fewer symptoms.
For chronic pain, researchers are looking at how NAD+ interacts with the SIRT1 pathway to reduce nerve inflammation. While it is not yet a standalone cure for chronic pain, it is an excellent adjunct therapy in a comprehensive pain management plan.
What clinical studies say about supplements like NR and NMN
Most human studies on NAD+ precursors like NR and NMN have focused on safety and bioavailability. We know for a fact that taking these supplements does raise NAD+ levels in the blood. The question researchers are still answering is exactly how much of that blood-level increase translates to improvements in specific diseases.
More info about whether NAD therapy works
Risks, Side Effects, and Who Should Avoid NAD+ Therapy
Like any medical intervention, nad plus treatment should be approached with care. While NAD+ is a naturally occurring molecule, introducing high doses into the body can cause reactions.
Common side effects and practical safety concerns
Most side effects of NAD+ occur during the infusion and are transient. They often include:
- The “NAD+ Flush”: A feeling of warmth in the chest or a heavy sensation in the limbs.
- Nausea or Stomach Pressure: This usually happens if the drip rate is too fast.
- Headaches: Occasionally reported after a session.
The key to a comfortable experience is “titration” — adjusting the speed of the drip to match your body’s tolerance. This is why having trained medical staff present is essential.
Who may benefit most—and who should be cautious
Who should consider nad plus treatment?
- Adults over 40 noticing a decline in energy.
- Individuals with chronic fatigue or burnout.
- Patients in recovery from substance use.
- Those with age-related metabolic or cardiovascular concerns.
Who should be cautious?
- Cancer Patients: Because NAD+ supports cellular repair and growth, there is a theoretical concern that it could also support the growth of cancer cells. If you have a history of cancer, you must consult your oncologist before starting NAD+ therapy.
- Endometriosis: Some providers suggest caution for patients with endometriosis due to the way NAD+ interacts with certain cellular growth pathways.
Natural ways to support NAD+ without treatment
You don’t always need an IV to support your cellular health. You can naturally boost your NAD+ levels through:
- Exercise: High-intensity interval training (HIIT) is particularly effective at stimulating NAD+ production.
- Intermittent Fasting: Stressing the body through brief periods of fasting triggers the salvage pathway.
- Diet: Eating foods rich in B3, such as poultry, fish, and green vegetables.
- Sleep: Maintaining a consistent circadian rhythm helps regulate the enzymes that create NAD+.

Frequently Asked Questions About NAD Plus Treatment
Is NAD+ therapy the same as taking vitamin B3?
Not exactly. While NAD+ is derived from Vitamin B3, your body has to go through several complex steps to convert B3 into NAD+. Nad plus treatment (especially via IV or injection) provides the final coenzyme directly, bypassing the need for conversion and ensuring your cells get exactly what they need immediately.
Does NAD plus treatment really work?
The answer depends on what you are trying to achieve. For energy, brain fog, and addiction support, the evidence and patient testimonials are very strong. For “reversing” aging, it is better viewed as a tool for slowing the process and supporting long-term health rather than a fountain of youth.
Is IV therapy better than oral NAD+ precursors?
IV therapy offers 100% bioavailability, meaning your body gets the full dose. Oral supplements are subject to the “first-pass effect” where the liver breaks them down, meaning only a fraction of the dose reaches your systemic circulation. For those looking for a significant “reset,” IV is generally preferred.
Conclusion
Your cells are the foundation of your health, and NAD+ is the fuel that keeps them running. Whether you are dealing with chronic pain, persistent fatigue, or simply want to support your body as you age, nad plus treatment offers a promising, science-backed way to revitalize your cellular health.
At Global Clinic, we’ve spent over 20 years serving the Northern Chicago community — from Arlington Heights to Buffalo Grove — providing personalized, innovative care. We believe that every patient deserves a treatment plan that addresses the root cause of their symptoms, not just the surface-level pain.
If you’re ready to see if nad plus treatment is right for you, our specialists in Niles, Skokie, and throughout the area are here to help.
Contact our clinic today to speak with our specialists and learn more about your treatment options.