October 2025
Adapted from Fox News article, Oct. 28, 2025
Nicotinamide adenine dinucleotide (NAD+) has been described as a potential “fountain of youth.” While that label may be overly simplistic, research continues to highlight NAD+ as a central molecule in energy production, cellular repair, and neuroprotection. A recent review led by the University of Oslo and published in Nature Aging analyzed both preclinical and clinical data and concluded that restoring NAD+ levels could promote healthy aging and potentially help prevent or treat neurodegenerative disease.
Why NAD+ Matters
Every cell in the body contains NAD+, and levels decline steadily with age. This decline has been linked to impaired energy metabolism, DNA damage, and neurodegenerative disorders. Alzheimer’s patients, for example, exhibit notably low NAD+ levels. The review emphasized that replenishing NAD+ could help preserve mitochondrial function, protect neurons, and slow certain age-related processes.
Reported Benefits of NAD+ Restoration
Clinical and observational evidence suggests that boosting NAD+ may:
- Improve mitochondrial and stem cell function
- Enhance focus, mood, and cognitive performance
- Support tissue repair and skin health
- Provide neuroprotection against Alzheimer’s and Parkinson’s
- Improve insulin sensitivity and reduce systemic inflammation
- Support immune defense and recovery in long COVID patients
- Enhance physical endurance, energy, and detoxification capacity
NAD+ also activates sirtuins, a family of proteins that regulate DNA repair, cellular stress responses, and longevity pathways.
Methods of Supplementation
Because NAD+ itself is too large to cross cell membranes, therapies rely on precursors or direct administration:
- Oral Precursors (NR, NMN): Convenient for daily use, modestly raise NAD+ levels, best suited for maintenance.
- Injectables and IV Infusions: Deliver NAD+ directly into circulation for rapid effects. Used in fatigue, neurological decline, or post-travel recovery. Injections are generally quicker and more practical than lengthy infusions.
- Nasal Sprays: A lower-impact option for patients avoiding needles, though with less pronounced effects.
Many experts note that combining oral precursors with intermittent injections provides the most comprehensive replenishment of NAD+ stores.
Risks and Considerations
While generally safe and well-tolerated, NAD+ therapy is not without cautions. Reported side effects include:
- Transient headache, nausea, or flushing during infusions
- Redness or tenderness at injection sites
- Short-lived adrenaline-like “rush” following injections
- Contraindications include active liver or kidney disease, cancer history, and pregnancy or breastfeeding. Physicians are advised to individualize dosing, screen for drug interactions, and monitor tolerance.
Experts stress that NAD+ therapy is not a substitute for foundational health practices. Without proper nutrition, exercise, sleep, and stress regulation, its benefits may be blunted.
Clinical Relevance for Prescribers
For patients experiencing chronic fatigue, metabolic dysfunction, cognitive decline, or those seeking enhanced recovery and performance, NAD+ therapy may offer meaningful benefit when integrated into a comprehensive care plan. However, larger randomized clinical trials are still needed to establish standardized protocols.
If you are considering NAD+ therapy for your patients, our pharmacists are available to discuss dosing options, safety considerations, and customized compounding solutions.