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What NAD+ does in your body, why it’s so popular, and what human studies do and don’t show so far.
NAD+ is a molecule every cell uses to make energy and keep itself in good repair. In animal studies, NAD+ levels fall with age, which is why NAD+ drips are marketed for energy, focus, recovery, and healthy aging.
In people, the research is still early. Supplements that boost NAD+ clearly raise NAD+ levels, but no study has shown that NAD+ slows aging, and there’s very little research on NAD+ given by IV. If you try it, go in with realistic expectations, and choose a provider who runs it slowly and tells you the dose.
NAD+ (nicotinamide adenine dinucleotide) is a coenzyme found in every living cell. Your body uses it to:
Your body makes NAD+ from forms of vitamin B3 (niacin, nicotinamide, nicotinamide riboside, and nicotinamide mononucleotide) and from the amino acid tryptophan. That’s why NAD+ “precursors” like NR and NMN are sold as supplements.
In lab and animal research, NAD+ levels decline with age, and that decline is linked to changes in metabolism and a higher risk of disease. Restoring NAD+ in older or sick animals has improved many measures of health, and in some studies it extended lifespan. Those findings sparked today’s interest in NAD+ for healthy aging.
The catch is that results in mice often don’t carry over to people, and human studies are only now catching up.
Here’s where the evidence stands for the reasons people most often give for trying NAD+.
| Goal | What human studies show | Evidence |
|---|---|---|
| Raising NAD+ levels | Oral NR and NMN reliably raise NAD+ in the blood. IV NAD+ is cleared from the blood quickly, and how much reaches your cells isn’t well understood. | Strong for oral boosters. Early for IV. |
| Healthy aging | No human study has shown that NAD+ slows aging or extends lifespan. | Not established |
| Energy and fatigue | One of the most popular reasons to try it, but there are few controlled studies. | Early |
| Blood sugar and metabolism | In a small 10-week trial, NMN improved muscle insulin sensitivity in women with prediabetes. It didn’t change blood sugar, blood pressure, or cholesterol. | Early |
| Heart and blood vessels | A small NR trial in middle-aged and older adults hinted at lower blood pressure and arterial stiffness. The authors called for larger trials. | Early |
| Exercise performance | There’s little evidence that NAD+ improves performance in healthy, active people. | Limited |
| Addiction recovery | Some programs offer IV NAD+ during detox, based mostly on older case reports. There are no controlled trials. | Not established |
We rate evidence plainly. Strong means consistent results in well-designed human studies. Early means small or short studies, or mostly animal data. Not established means there’s no good human evidence yet. Be wary of any provider who promises guaranteed results.
An IV puts NAD+ straight into your bloodstream and skips digestion. That sounds like an advantage, but in a 2019 pilot study, NAD+ infused over six hours was “rapidly and completely removed” from the blood for the first two hours, likely taken up by tissues or broken down. Researchers are still working out what that means for your cells.
Oral precursors like NR and NMN cost less and have more human research behind them. Neither IV nor oral NAD+ has been proven to slow aging.
NAD+ is known for causing uncomfortable sensations when it runs too fast. In a small 2026 review of clinic records, all six people who received a 500 mg NAD+ infusion reported symptoms like stomach cramping, nausea, a racing heart, or chest pressure. They slowed their drips to manage it, and the symptoms stopped once the infusion ended. In an earlier study, a slower infusion of 750 mg over six hours caused no reported side effects.
That’s why a good provider:
Tell your nurse right away if you feel chest pressure, cramping, or nausea. Slowing the drip usually helps. Chest pain or trouble breathing that doesn’t ease quickly needs emergency care, so call 911.
Medic Mantra includes NAD+ in two of its blends:
Prices are from Medic Mantra’s published menu as of October 2026. Confirm the current price when you book.
Ask your nurse how much NAD+ your drip contains and how long it will take. Every visit starts with a health screening, and your nurse will tell you if NAD+ isn’t a good fit for you.
Wondering whether NAD+ is right for you? Read who uses NAD+ IV therapy, and who should skip it.
Medic Mantra’s nurses can talk through whether IV hydration makes sense for you, and they’ll tell you if it doesn’t.
This article is for education only and isn’t medical advice. Talk with your healthcare provider about your situation. Clinical review pending: once a licensed clinician reviews this article, their name will appear here.
Call or text a Medic Mantra nurse, 8am–9pm daily.
An educational resource from Medic Mantra Mobile IV. All care is provided by Medic Mantra’s licensed clinicians.
© 2026 IV Hydration Texas, an educational resource from Medic Mantra Mobile IV. This content is for education only and is not medical advice. IV therapy is not intended to diagnose, treat, cure, or prevent any disease, and results vary. These statements have not been evaluated by the FDA. For an emergency, call 911.