NMN vs NR vs NAD IV: What Actually Works for Energy & Longevity?
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In this episode of the *Wellness That Fits Podcast*, we break down the science behind *NAD+ (nicotinamide adenine dinucleotide)*, one of the most talked-about molecules in the wellness and anti-aging space.
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You’ve likely seen NAD IV therapy, supplements like NMN and NR, and bold claims about increased energy, brain function, and longevity. But what does the research actually say?
I simplify the science and explain:
* What NAD+ is and why it’s essential for *cellular energy (ATP production), brain function, and DNA repair*
* Why NAD levels decline with *age, stress, inflammation, and poor lifestyle habits*
* The difference between *NAD vs. its precursors (NMN, NR, NAM, and niacin)*
* What human research shows about *NAD supplements and metabolic health*
* Why *NAD IV therapy may not be as effective as marketed*
* The critical role of *nutrition, exercise, sleep, and stress management* in supporting NAD naturally
You’ll also learn when NAD supplements _might_ help (like low energy despite healthy habits) and when they’re simply a *band-aid for deeper issues like burnout, poor sleep, or chronic stress*.
If you’re struggling with *brain fog, fatigue, or low energy*, this episode helps you cut through the noise and focus on what actually works.
*Chapters List*
00:00 Introduction to NAD+
02:30 The Importance of NAD+ in Cellular Function
05:06 NAD+ Precursors: Understanding NR, NMN, and NAM
09:12 Research Insights on NAD+ and Its Precursors
14:08 NAD+ Injections: Do They Work?
19:19 NAD+ and Inflammation: The Lifestyle Connection
24:25 Practical Takeaways: Is NAD+ Supplementation Worth It?
*Wellness That Fits*
📞 Book ahttps://my.practicebetter.io/#/628cfccb4d47e79361535fcc/bookings?s=67ec315e2872f631461487fe* *with Cassie: let's discuss your current health routine and what is standing in your way of the life and energy you desire.
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Cassie Groeschl - Wellness That Fits, LLC · 30 min · Source published: 2026-04-21
Added to Harbor: 10/23/2026
Original on YouTube ↗Automatically categorized source. Creator statements are not an independent evidence review or personal medical guidance.