Here's the short version. NAD+ by IV drip and NAD+ by at-home shot are the same compounded ingredient taken two ways. No controlled comparison was identified. A 2026 review, searching through October 2025, found no eligible IV or intramuscular NAD+ outcome trial for anti-aging or wellness [11]. So the real differences are practical: where you get it, who prescribes it, how long it takes and what you pay.
Each route, side by side
The table below is the decision in one view. Read the evidence rows first. They're the same answer in every column.
| At-home injection | Nasal spray | IV drip (clinic) | |
|---|---|---|---|
| Where it happens | At home, from a prescribed kit | At home | At a clinic, sitting for the infusion |
| Who prescribes | A telehealth clinician after an online intake | A telehealth clinician | The clinic's own medical staff |
| What studies measured | No published blood-level study found | No published blood-level study found | One pilot study: plasma NAD+ unchanged for the first 2 hours of a 6-hour drip [10] |
| Outcome trials for energy or aging | None [11] | None | None [11] |
| FDA status | Compounded; FDA still evaluating the ingredient | Compounded; same ingredient | Compounded; same ingredient |
| Cost unit | Per vial, monthly subscription or prepaid protocol | Monthly or prepaid subscription | Priced per session at clinics; not tracked here |
| Programs that offer it | 81 telehealth programs list NAD+ in some form | Several, including AgelessRx, HealthRx and Midi Health | None in our picks; drips are sold by local clinics |
FDA status from FDA's 503A bulk-substance categories, updated May 14, 2026.
Heads up: the program count covers every form a program sells, not only shots. The full NAD+ injection cost guide breaks the prices down plan by plan.
What happens with each route
An IV drip puts NAD+ straight into a vein. You sit in a clinic chair while it runs, often for hours. A nurse or other staff member places the line and watches you during it.
An at-home injection is a prescribed vial or kit shipped to your door. A telehealth clinician reviews your intake, writes the prescription and a compounding pharmacy fills it. The program's own instructions and your prescriber cover how it's used. That's not something this page goes into.
A nasal spray is the same idea without a needle. Fewer programs offer it, and its price range sits next to the injection range in the table above.
What the research actually measured
A small controlled pilot measured what happens to NAD+ in human blood during an infusion. It ran a six-hour IV drip at a fixed rate in a small group. For the first two hours, plasma NAD+ and its breakdown products didn't change at all. The authors concluded the body cleared the infused NAD+ from plasma "rapidly and completely" during that window. By six hours, more NAD+ and a breakdown product showed up in urine [10].
Two things to keep in mind. The study was small: eight men received NAD+ and three received saline, and some of its authors work with an NAD+ clinic and an NAD+ research company. And it measured blood chemistry, not how anyone felt.
No controlled human pharmacokinetic study of commercial subcutaneous, intramuscular or nasal NAD+ preparations was identified. That leaves absorption and route-equivalence claims unresolved.
What about results people care about? A 2026 systematic review screened 113 studies of NAD+ and its building blocks. Its search through October 2025 found no eligible outcome trial of IV or intramuscular NAD+ for anti-aging or wellness. Oral precursors raised NAD+ markers in blood, but health effects were mixed or null. Its first author runs a company that serves an aesthetics clinic; the paper says that clinic doesn't offer NAD+ [11].
The randomized trial of IV NAD+ that does exist is in heart failure, not wellness. In 180 adults with heart failure from blocked arteries, a seven-day IV course plus standard care nudged heart pumping function at one month (ejection fraction 45.4% vs 42.4%). The six-month difference in heart events wasn't statistically significant [12]. That's a hospital treatment in sick hearts. It doesn't tell you what a drip does for a healthy 45-year-old.
Want to know how soon people say they feel something? That question has its own page: how long NAD+ injections take to work.
Human nasal evidence is not literally absent: a 2022 conference case report described one older migraine patient receiving intranasal NAD+ with lidocaine through a catheter and subsequent sublingual NAD+. There was no control group, and benefit was self-reported. The co-treatments and delivery method prevent attributing the result to NAD+ or to a commercial nasal spray. NAD Research funded the project and suppliers were acknowledged [2].
A 2025 descriptive report also followed three Parkinson patients after IV NAD+ and then intranasal NAD+ mixed with lidocaine. Clinic questionnaires recorded energy, sleep and other symptoms, but there was no control group or isolated nasal treatment. The authors acknowledge that their improvement scale did not offer a zero-improvement response. This is not proof of a commercial spray's benefit in healthy people [1].
Side effects: what's actually documented
NAD+ has no FDA-approved label establishing side-effect frequencies for these preparations. Published IV tolerability observations exist, but they cannot establish the risk profile of a home injection or nasal spray.
What is documented is the general rule for compounded drugs. FDA says compounded drugs aren't FDA-approved, and FDA doesn't check their safety, effectiveness or quality before they're sold [14]. That applies to the vial in a clinic and the vial in your mailbox alike.
A 2026 retrospective clinic review reported gastrointestinal symptoms, increased heart rate and chest pressure during NAD+ infusions. It evaluated short-term tolerability, not randomized wellness efficacy; employees of the commercial provider authored it [9].
What at-home NAD+ costs
Telehealth programs post their own prices, so those can be compared. Clinics set drip prices locally and per session, so they're not in this table. Here's a sample of programs that post a monthly price.
| Program | Form | Monthly price |
|---|---|---|
| Brightmeds [3] | Injection | $129Monthly renewal on the cited offer |
| Strut Health [4] | Injection | $149 per 500 mg vial30-day auto-refill; confirm prescribed vial requirement |
| HealthRX [5] | Injection | $161One-month subscription; longer prepaid plans also offered |
| Oak [7] | Injection | $175Current monthly offer; higher regular price also displayed |
| Live Vital [8] | Injection | $149 monthly equivalentThree-month protocol; total commitment matters |
| HealthRX [6] | Nasal spray | $134One-month subscription; longer prepaid plans also offered |
Selected offers with a current primary product page and a stated billing unit. These are cost examples, not an effectiveness ranking or an exhaustive market minimum.
Two catches to watch for. Some programs advertise a lower first month that rises after, so compare the ongoing number. And a few bill per 28 days, which adds a 13th charge each year. The guide to getting NAD+ injections walks through signup step by step.
Questions to ask before you start
- Which pharmacy makes it, and is it a licensed 503A or 503B pharmacy?
- What exactly is in the vial or spray, and at what strength?
- What's the price from month two on, not only the first month?
- Who do I contact about a reaction, and how fast do they answer?
- For a clinic drip: who prescribed it, and who's watching me during it?
Not sure NAD+ is even the right fit for your goal? Our energy shortlist lays out the options, and the 30-second match points you to programs that fit.
If you'd rather skip needles entirely
Some people take NMN or NR, oral building blocks the body turns into NAD+. Small trials show both raise NAD+ in blood. Whether that changes how you feel is a separate question. See NMN or NR for how the two compare, or NAD+ or glutathione if you're choosing between injections.