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The Science Behind NAD+: Why Your Cells Need It

If you’ve ever wondered why you feel more tired with age or why your brain doesn’t feel quite as sharp, the answer might lie in something your body makes naturally: NAD+. Short for nicotinamide adenine dinucleotide, NAD+ plays a significant role in how your body creates energy, repairs itself, and stays resilient. But as you age, your NAD+ levels drop—and that can affect everything from your metabolism to your mental clarity. Our NAD+ therapy works to restore this key molecule, helping your cells function at their best again.
What is NAD+?
NAD+ is short for nicotinamide adenine dinucleotide, a molecule your body depends on to function properly. It’s found in every living cell and plays a big role in energy production, DNA repair, and regulating the aging process. Think of NAD+ as a cellular helper. It activates the enzymes involved in turning nutrients into energy, keeping your metabolism running and your cells healthy.
As mentioned, your NAD+ levels naturally decline, especially with age or chronic stress. That’s when you might start noticing fatigue, slower recovery, brain fog, and signs of age-related decline. NAD+ therapy replenishes those levels by delivering this coenzyme directly into your bloodstream for fast absorption and real impact.
What are the Benefits of NAD+?
- Promotes mitochondrial function, helping your cells produce energy more efficiently
- Enhances focus, memory, and mental sharpness
- Stimulates DNA repair for stronger, longer-lasting cellular function
- Supports muscle function and recovery after stress or exercise
- Helps regulate metabolism, which can benefit those with metabolic disorders
- Strengthens the immune system to support your body’s natural defenses
- Contributes to healthy aging by targeting root causes of age-related diseases
- Aids in maintaining skin health through cellular regeneration
- Offers potential support in managing neurodegenerative diseases like Parkinson’s or Alzheimer’s
- May lower risk factors associated with cardiovascular disease
Some human clinical trials are currently exploring NAD+ as part of long-term strategies for age management and disease prevention.

Why Your Cells Need NAD+
This is where NAD+ therapy really shines—at the cellular level:
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Your cells rely on NAD+ to perform almost every core function. It drives cellular metabolism by helping convert food into energy through your mitochondria. When NAD+ drops, your cells can’t produce energy well, which can leave you feeling tired and mentally foggy.
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NAD+ plays a key role in activating pathways that repair damaged DNA. Every day, your cells face stress from things like toxins, sun exposure, and even normal metabolic activity. With enough NAD+, your cells have what they need to repair and recover. Without it, that damage builds up—and that’s where the signs of aging often begin.
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Another reason your cells need NAD+ is the salvage pathway. This is your body’s way of recycling NAD+ from precursors like nicotinic acid (a form of vitamin B3) and nicotinic acid adenine dinucleotide (a molecule involved in NAD+ metabolism). Supporting this pathway helps your system hold onto NAD+ longer, extending its benefits and boosting your overall cellular health.
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For your brain and nerves, NAD+ is especially important. It helps regulate inflammation and oxidative stress—two major factors in neurodegenerative diseases. It also supports healthy communication between neurons, which affects everything from mood to memory.
Bottom line: Your cells need NAD+ to thrive, and replenishing it can unlock better energy, sharper focus, stronger recovery, and long-term resilience from the inside out.
What To Expect During Your IV Therapy Appointment
Your NAD+ therapy at Parfaire Health starts with a detailed consultation. We get to know your current health, your goals, and how your system is functioning.
Once we create your personalized plan, your treatment begins with an IV infusion. The process typically takes 1 to 2 hours, during which you’ll relax in a calm, supportive setting. Because we’re delivering NAD+ directly into your bloodstream, your body skips digestion and absorbs it quickly—so you can start feeling results sooner.
Some people feel more focused and energized shortly after treatment. Others notice a gradual shift over the next few days as their system resets. Most clients benefit from a series of treatments over a few weeks, especially when addressing age-related diseases, low energy, or chronic stress.
Why Choose Parfaire Health for Functional NAD+ Treatment
At Parfaire Health, we take NAD+ therapy to a deeper level. We don’t just focus on symptoms—we look at what’s happening inside your body, where real change begins.
We measure how your cells are performing, how efficiently they produce energy, and how well they recover. Your mitochondrial function, your DNA repair activity, your stress response—these are the things that shape your energy, focus, and resilience. NAD+ therapy gives your system what it needs to function fully again.
Here’s how we approach it:
Advanced Cellular Focus: We target what’s happening inside—cellular signaling, mitochondrial repair, and metabolic balance. This helps your body recover, restore, and reset on its own terms.
Custom IV Blends: Your NAD+ infusion is designed specifically for you. We combine it with other nutrients that support your goals, your biology, and your lifestyle.
High Absorption, Real Results: IV delivery allows NAD+ to go straight to your bloodstream, making it far more effective than oral supplements.
Supportive, Professional Care: Our experienced team guides every session, adjusting for comfort and effectiveness. You’re always in expert hands.
Functional Health That Fits Your Life: No hospital setting here. Just efficient, evidence-based care in a welcoming environment that supports your long-term health.
If you’re ready to recharge at the source—your cells—NAD+ therapy at Parfaire Health can help you get there.