What is NAD+?

You’ve probably heard the buzz. NAD+ is showing up in wellness clinics, longevity circles, and health conversations everywhere right now. But what actually is it — and why should you care? If you’ve ever wondered why you feel more tired than you used to, why your skin doesn’t bounce back the way it did at 25, or why your brain feels a little foggier than it used to, the answer might come down to one tiny molecule sitting inside every cell in your body.

That molecule is NAD+. And understanding it might be one of the most important things you do for your long-term health.

The Anti-Aging Molecule Your Cells Have Been Waiting For!

1. What Is NAD+ and Why Does It Matter?

Let’s start at the very beginning, because this is one of those topics where the science sounds intimidating but the concept is actually pretty simple once you break it down.

NAD+ stands for Nicotinamide Adenine Dinucleotide. It’s a coenzyme — which essentially means it’s a helper molecule — found in every single cell in your body. It doesn’t get a lot of attention in mainstream health conversations, but among researchers studying aging and longevity, it’s considered one of the most important molecules in human biology.

So what does it do? In the most practical terms, NAD+ does two enormous jobs. First, it helps convert the food you eat into usable energy. Every time you take a bite of food, a complex series of chemical reactions has to happen before that food becomes the fuel powering your heart, your brain, your muscles, and your skin. NAD+ is a critical player in that process. Without it, your cells simply cannot make energy efficiently.

Second — and this is where it gets really interesting from an anti-aging perspective — NAD+ plays a direct role in DNA repair. Your DNA is constantly sustaining minor damage from environmental exposure, oxidative stress, and the simple wear and tear of daily life. NAD+ activates a family of proteins called sirtuins and enzymes called PARPs, which are essentially your body’s internal repair crew. When NAD+ levels are adequate, your cells can repair that damage. When they’re not, damage accumulates. And accumulated cellular damage is, in many ways, what we call aging.

2. The Power Plant Analogy: How NAD+ Fuels Your Body

Think of your cells like tiny power plants. Each one has a generator — the mitochondria — that converts raw fuel (food) into electricity (ATP, your body’s energy currency). NAD+ is like the transmission line that carries energy through the generator system. Without a strong, functioning transmission line, even the best fuel in the world can’t power the plant efficiently.

When your NAD+ levels are high, your cellular power plants run clean, efficient, and powerful. You feel energized. Your skin cells regenerate. Your brain fires clearly. Your body manages inflammation well. But when NAD+ levels drop — which they do, naturally and significantly, as you age — it’s like parts of the transmission line start to fail. The power plant keeps running, but less efficiently. Over time, you feel that inefficiency in every system of your body.

This is not a metaphor for some obscure biochemistry happening in a laboratory. This is what’s actually happening inside you, right now, today — and why supporting your NAD+ levels is increasingly being recognized as one of the most foundational things you can do for healthy aging.

3. Why Your NAD+ Levels Drop as You Age

Here’s the part that surprises most people: by the time you’re in your 40s, your NAD+ levels may be roughly half of what they were in your 20s. By your 60s, they may have dropped even further. This decline isn’t a sign that something has gone wrong — it’s a predictable, measurable part of the biological aging process.

Several things drive this decline. As you age, your body produces more of an enzyme called CD38, which actively consumes NAD+. At the same time, the biological pathways your body uses to synthesize NAD+ from dietary sources become less efficient. Add in the effects of chronic stress, poor sleep, alcohol consumption, and a typical modern diet, and you have a perfect storm for accelerated NAD+ depletion.

What makes this particularly significant is the feedback loop it creates. Lower NAD+ means less efficient DNA repair. Less efficient DNA repair means more cellular damage. More cellular damage means your body has to work even harder just to maintain basic function — which consumes even more NAD+. It’s a cycle that, left unaddressed, accelerates the visible and invisible signs of aging in ways most conventional health approaches don’t directly target.

4. What Happens to Your Body When NAD+ Declines

So what does NAD+ decline actually feel like in real life? You might recognize some of these:

Persistent fatigue that rest doesn’t fully fix. When your cells can’t efficiently convert food to energy, tiredness becomes your baseline — not a temporary state. You sleep, you wake up, and you still feel like you’re running on empty.

Brain fog and reduced mental sharpness. NAD+ is critical for neurological function. When levels drop, the brain’s energy supply becomes less reliable, and many people notice slower recall, difficulty concentrating, and a general sense of mental cloudiness that they chalk up to “just getting older.”

Slower physical recovery. Whether it’s recovering from a tough workout, a long travel day, or even a stressful week at work, your body’s ability to bounce back depends heavily on cellular energy reserves. Lower NAD+ means slower, harder recovery at every level.

Skin that looks and acts older. Your skin cells, like all cells, depend on NAD+ to repair themselves and regenerate. When that process slows down, the effects show up on your face: slower wound healing, less elasticity, dullness, and accelerated fine line formation.

Metabolic slowdown. NAD+ plays a central role in how efficiently your metabolism functions. Declining levels are associated with reduced insulin sensitivity, slower fat metabolism, and the kind of weight changes many people experience in their 40s and 50s that seem disproportionate to changes in their diet or activity level.

5. NAD+ and Anti-Aging: What the Science Actually Says

The anti-aging conversation around NAD+ is not wishful thinking — it is grounded in a growing body of peer-reviewed research. Scientists studying the biology of aging have identified NAD+ as a key regulator of several fundamental aging pathways.

Sirtuins — sometimes called the “longevity proteins” — are completely dependent on NAD+ to function. These proteins regulate gene expression, protect chromosomes from damage, reduce inflammation, and help the body adapt to metabolic stress. Research published in peer-reviewed biomedical literature has described NAD+ replenishment as a strategy with significant potential in the emerging field of cellular regenerative medicine. (Source: pmc.ncbi.nlm.nih.gov/articles/PMC9512238/)

Telomere protection is another area of active research. Telomeres are the protective caps on the ends of your chromosomes — imagine them as the plastic tips on a shoelace. Every time a cell divides, telomeres shorten slightly. When they become too short, the cell stops functioning properly or dies. NAD+-dependent processes appear to play a role in protecting telomere integrity, which is directly relevant to how quickly your cells age.

It’s important to be honest here: NAD+ research is still evolving. We are not at the finish line of our understanding. But the convergence of evidence across multiple studies, research institutions, and clinical observations is compelling enough that leading longevity practitioners and physicians have incorporated NAD+ support into their protocols — not as a miracle cure, but as a foundational piece of a serious anti-aging strategy.

6. NAD+ and Your Skin: The Connection You Didn’t Know About

If you invest in skincare — serums, treatments, facials, or advanced aesthetic procedures — you are essentially investing in your skin cells’ ability to repair, regenerate, and function optimally. NAD+ is upstream of almost all of that.

Think of your aesthetic treatments as the renovation project and NAD+ as the foundation. You can put the most beautiful renovation on top of a weak foundation, but the results won’t last as long and won’t look as good as they would on a strong one. NAD+ is what keeps the foundation strong.

At the cellular level, NAD+ supports the fibroblasts — the cells responsible for producing collagen and elastin, the proteins that give your skin its firmness and elasticity. When fibroblasts are energized and DNA repair is functioning well, they produce more collagen, more efficiently. When NAD+ levels are depleted, fibroblast activity slows, collagen production declines, and the visible signs of skin aging accelerate.

This is one of the reasons that at 79Aura, we take an inside-out approach to aesthetic medicine. Surface treatments like RF microneedling, PRX biorevitalization, and therapeutic LED therapy work at the skin level to stimulate collagen and repair. NAD+ IM therapy works at the cellular foundation to ensure those treatments have the biological environment they need to deliver the best possible results.

7. NAD+ and Brain Health: Clarity, Focus, and Cognitive Aging

The brain is one of the most energy-hungry organs in the human body, consuming roughly 20% of your total energy supply despite representing only about 2% of your body weight. That enormous energy demand makes the brain particularly sensitive to changes in NAD+ levels.

Neurological research has linked NAD+ to several aspects of cognitive health, including memory consolidation, mental processing speed, and the brain’s ability to manage oxidative stress. The neurons in your brain are long-lived cells — many of the neurons you have today have been with you since before you were born. That means their DNA repair mechanisms have to work for decades, and those mechanisms depend substantially on NAD+.

Many people who begin NAD+ therapy report that one of the first and most noticeable effects is mental — a feeling of sharper clarity, reduced brain fog, and improved focus. While individual results vary and we are careful not to make clinical claims beyond what research supports, the biological plausibility of these experiences is well established. A better-fueled brain simply performs better.

8. NAD+ and Metabolism: Weight, Energy, and Cellular Efficiency

One of the most frustrating experiences of getting older is feeling like your body’s metabolic rules have changed. You eat the same way you always have, you move roughly the same amount, and yet things feel different. Weight management becomes harder. Energy feels less reliable. Recovery takes longer.

NAD+ sits at the intersection of metabolism and aging in a way that explains a lot of this experience. It is a direct participant in the metabolic pathways that govern how your cells process carbohydrates, fats, and proteins for energy. When NAD+ levels are optimal, these pathways run efficiently. When they’re depleted, cellular metabolism becomes sluggish at a fundamental level that diet and exercise alone cannot always fully compensate for.

Research on sirtuins — the NAD+-dependent proteins we mentioned earlier — has specifically linked sirtuin activity to insulin sensitivity, mitochondrial function, and fat metabolism. Supporting NAD+ levels as part of a comprehensive wellness strategy may help restore some of the metabolic efficiency that natural aging tends to erode.

9. How NAD+ Is Delivered: IM Injections vs. Other Methods

NAD+ is available in several forms, and the delivery method matters more than most people realize. Let’s walk through the main options honestly.

Oral supplements (NMN and NR) are NAD+ precursors — compounds your body converts into NAD+ after digestion. They are widely available, convenient, and have a growing body of research behind them. However, oral absorption varies significantly between individuals, and the conversion process means you may not achieve the same cellular levels as with more direct delivery methods.

Intravenous (IV) NAD+ delivers the molecule directly into the bloodstream at high doses and is often used in clinical settings, particularly for neurological support, addiction recovery, and intensive longevity protocols. IV sessions can take several hours and are typically more expensive and less accessible for routine use.

Intramuscular (IM) NAD+ injections represent what many practitioners — including our team at 79Aura — consider the optimal balance of efficacy and accessibility for most wellness clients. IM injections deliver NAD+ directly into muscle tissue, where it is absorbed into the bloodstream rapidly, bypassing the digestive system entirely. Sessions are quick, well-tolerated, and can be scheduled weekly or monthly as part of an ongoing wellness protocol.

Topical NAD+ products are also available and can support skin-level cellular function, though they do not meaningfully raise systemic NAD+ levels. They work best as a complement to injectable therapy rather than a standalone approach.

10. What to Expect From NAD+ Therapy

If you’re considering NAD+ IM therapy for the first time, you probably want to know what the experience is actually like. Here’s an honest, practical overview.

The session itself is straightforward. An IM injection is administered into a large muscle — typically the deltoid or gluteal muscle — by a trained provider. The injection itself takes less than a minute. Most people experience little to no discomfort beyond what any IM injection involves.

After the injection, some clients notice effects within hours — particularly increased energy and a sense of mental clarity. For others, the effects build gradually over a series of sessions. The most dramatic and lasting benefits are typically experienced with consistent use over several weeks.

A typical starting protocol at 79Aura involves weekly NAD+ IM injections for four to six weeks, followed by monthly maintenance sessions. Your provider will tailor this recommendation based on your specific health history, goals, and response to treatment.

Side effects are generally mild and temporary. Some clients experience minor flushing or warmth at the injection site. These typically resolve quickly. NAD+ therapy is generally well tolerated across a wide range of clients.

11. Who Is a Good Candidate for NAD+ Therapy?

NAD+ therapy is not just for people who feel unwell — it’s for anyone who wants to operate at a higher level and invest in how they age. That said, certain profiles tend to find the most meaningful benefit.

You may be a strong candidate if you:

Experience persistent fatigue that rest doesn’t resolve
Notice brain fog, reduced focus, or slower cognitive performance
Are in your 30s, 40s, 50s, or beyond and want to support healthy aging proactively
Are pursuing a comprehensive aesthetic protocol and want to optimize results from the inside out
Are focused on metabolic health, weight management, or recovery optimization
Are interested in longevity science and want to incorporate evidence-based cellular support into your wellness routine

As with any medical treatment, a consultation with a qualified provider is the right starting point. At 79Aura, all NAD+ therapy is administered under physician oversight, and your protocol is built around your individual health history and goals.

12. NAD+ and Holistic Wellness: The Inside-Out Approach

One of the things we believe most deeply at 79Aura is that the best aesthetic and wellness outcomes come from treating the whole person — not just the surface. NAD+ therapy is a perfect embodiment of that philosophy.

When you combine NAD+ IM injections with surface-level aesthetic treatments like RF microneedling and therapeutic LED therapy, you’re not just layering treatments — you’re creating a biological environment where those treatments can perform at their highest potential. The cellular energy that NAD+ restores makes your skin cells more responsive to collagen stimulation. The DNA repair support it provides helps maintain the results of your aesthetic treatments longer.

Pair NAD+ with glutathione for antioxidant protection, B12 for energy and neurological support, and vitamin C for immune and collagen health, and you have a genuinely comprehensive inside-out wellness protocol — the kind that produces results that are visible, measurable, and lasting.

13. Common Myths About NAD+ — Debunked

Myth: NAD+ is just another wellness trend. The research behind NAD+ spans decades and involves some of the most respected institutions in longevity science. This is not a trend — it is an emerging clinical application of well-established cellular biology.

Myth: You can get enough NAD+ from food alone. While certain foods contain NAD+ precursors (like tryptophan and niacin), dietary sources are not sufficient to meaningfully offset age-related NAD+ decline, particularly as you move through your 40s and beyond.

Myth: NAD+ therapy is only for sick people. NAD+ therapy is a proactive wellness strategy, not just a therapeutic one. Many of the people benefiting most from it are healthy, high-functioning adults who want to invest in how well they age.

Myth: All NAD+ products are the same. Delivery method, dose, and the quality of the compounding pharmacy or manufacturer all matter enormously. Not all NAD+ products or protocols are equivalent.

14. How to Get Started With NAD+ in San Antonio

If you’re in San Antonio and curious about NAD+ therapy, the best first step is a consultation with a qualified provider who can assess your specific health picture and recommend a protocol tailored to your goals.

At 79Aura Aesthetics & Wellness, NAD+ IM injections are offered as part of our Injectable Wellness menu, as well as within our Glow Circle membership tiers and the Longevity Reset package. Dr. Patricia Gomez Dinger brings physician-level oversight to every protocol, ensuring that your NAD+ therapy is not just administered, but genuinely integrated into a comprehensive plan for your health and aesthetic goals.

New clients are welcome to schedule a complimentary consultation at 79aura.com.

Conclusion

NAD+ isn’t magic. It’s biology. It’s the molecule your cells have always depended on to make energy, repair damage, and function at their best — and it’s the molecule that declines, quietly and consistently, as the years go by. Supporting your NAD+ levels isn’t about chasing a trend or buying into a quick fix. It’s about giving your cells what they need to do the work they’ve always been designed to do.

If you’ve been feeling the effects of a body running at less than its best — the fatigue, the fog, the skin that doesn’t quite glow the way it used to — NAD+ therapy is worth a serious conversation. Because the truth is, some of what we call aging is simply our cells running low on one of their most essential fuels. And that, for the first time in history, is something we can meaningfully address.

Frequently Asked Questions

1. What does NAD+ stand for? NAD+ stands for Nicotinamide Adenine Dinucleotide. It is a coenzyme found in every cell of the human body, essential for energy metabolism and DNA repair.

2. At what age should I start thinking about NAD+ therapy? Most longevity-focused practitioners suggest that NAD+ decline becomes meaningfully impactful starting in the 30s and accelerates through the 40s and 50s. However, adults of any age dealing with fatigue, brain fog, or metabolic concerns may benefit from a conversation with their provider.

3. How long does an NAD+ IM injection session take? The injection itself takes just a few minutes. Including intake and any provider consultation, most sessions are completed in under 30 minutes.

4. How quickly will I notice results from NAD+ IM therapy? Some clients notice increased energy and mental clarity within hours of their first session. Others experience a gradual buildup over several weeks. Consistent use over a four-to-six-week loading phase typically yields the most noticeable improvements.

5. Is NAD+ therapy safe? NAD+ therapy is generally considered safe and well tolerated. As with any injectable wellness treatment, it should be administered by a qualified provider following a health intake and evaluation. Mild, temporary side effects such as brief flushing may occasionally occur.

6. Can I combine NAD+ therapy with other injectable wellness treatments? Yes. NAD+ pairs well with glutathione, B12, B-Complex, and vitamin C as part of a comprehensive injectable wellness protocol. Your provider will recommend the combination most aligned with your goals.

7. Does NAD+ therapy help with weight loss? NAD+ supports metabolic efficiency at the cellular level, which may complement a weight management program. It is not a standalone weight loss treatment but works as part of a holistic approach that may include lipotropic injections, L-carnitine, and lifestyle modifications.

8. How is IM NAD+ different from IV NAD+? IV NAD+ delivers a higher dose directly into the bloodstream over a longer session (sometimes several hours) and is typically used for intensive protocols. IM NAD+ delivers the molecule into muscle tissue for rapid bloodstream absorption, offering a more accessible, time-efficient option for routine wellness maintenance.

9. Will NAD+ therapy improve my skin? NAD+ supports the cellular foundation that healthy, youthful skin depends on — including fibroblast activity, collagen production, and DNA repair. When combined with surface aesthetic treatments, it can meaningfully enhance and extend results.

10. Where can I get NAD+ therapy in San Antonio? 79Aura Aesthetics & Wellness, led by Dr. Patricia Gomez Dinger, offers physician-supervised NAD+ IM therapy in San Antonio, Texas. New client consultations can be scheduled at 79aura.com.

This article is for educational purposes only and does not constitute medical advice. Individual results vary. Consult a qualified healthcare provider before beginning any new wellness or aesthetic treatment protocol.

Sources referenced: pmc.ncbi.nlm.nih.gov/articles/PMC9512238/