If you’ve spent any time in the longevity or biohacking world, you’ve heard about NAD+. But understanding why NAD+ IV therapy works — and why the IV route matters — requires a clear-eyed look at the actual science, not the marketing copy.
What Is NAD+ and Why Does It Decline?
Nicotinamide Adenine Dinucleotide (NAD+) is a coenzyme found in every cell of the body. It’s central to the electron transport chain — the process by which your mitochondria convert nutrients into ATP, the cellular energy currency. Without adequate NAD+, cellular energy production becomes inefficient.
NAD+ also serves as the substrate for sirtuins (SIRT1-7), a family of proteins that regulate DNA repair, inflammation, circadian rhythm, and metabolic homeostasis. It’s required for PARP enzymes to conduct DNA repair after oxidative damage. And it drives the enzymatic conversion that maintains the NAD+/NADH ratio — a critical marker of cellular redox state.
The problem: NAD+ levels decline approximately 50% between ages 20 and 60. Chronic stress, alcohol, poor sleep, and a sedentary lifestyle accelerate this decline. The result is reduced mitochondrial efficiency, impaired DNA repair, and the systemic inflammation cascade we associate with accelerated aging.
Why IV Administration Over Oral Precursors?
Oral NAD+ precursors — NMN (Nicotinamide Mononucleotide) and NR (Nicotinamide Riboside) — have real utility as maintenance supplements. But they work by providing upstream building blocks that the body converts to NAD+ over time. The conversion efficiency varies significantly between individuals based on enzymatic activity and gut microbiome status.
IV NAD+ delivers the active molecule directly into the bloodstream. You bypass the conversion requirement entirely. The clinical experience is noticeably different — most patients report a distinct “shift” in energy, clarity, and mood within the first few sessions that oral precursors simply don’t replicate at typical supplemental doses.
The Renew Republic NAD+ Protocol
Our NAD+ infusions are compounded fresh for each patient. We offer two dose tiers:
- NAD+ 250mg — introductory protocol for patients new to IV NAD+; session duration approximately 2–3 hours
- NAD+ 500mg — our standard optimization dose; session duration approximately 4 hours
Many patients experience mild flushing, chest tightness, or GI discomfort during infusion — this is expected and managed by adjusting infusion rate. Our nursing staff monitors you throughout. We do not rush NAD+ infusions.
Who Seeks NAD+ Therapy at Renew Republic?
Our NAD+ patients range widely — executives managing cognitive demands of high-stakes careers, patients in addiction recovery using NAD+ for neurochemical restoration, athletes targeting cellular recovery, and longevity-focused patients doing quarterly infusions as a maintenance protocol. The thread that connects them is a commitment to going deeper than surface-level wellness.
Curious about NAD+? Schedule a consultation with our Houston team to determine whether it’s appropriate for your goals and health history.
NAD+ therapy at Renew Republic is administered under physician supervision in a clinical setting. This content is for educational purposes only.
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Ready to Get Started?
Renew Republic’s physicians are ready to build a personalized protocol for you. All services are physician-supervised from consultation through ongoing monitoring.
