Longevity / energy
NAD+ Injection Benefits: What IV Drips Really Do
Real cell biology, an unproven and possibly inefficient injectable pitch.
The quick version
- NAD+ drips and shots, sold for energy and anti-aging.
- No outcome trials prove injected benefits, and IV may be inefficient.
- Oral precursors have more data than the drips.
What it is
NAD+ is a molecule every cell uses to make energy. Levels fall with age, so clinics sell IV drips and shots to top it back up, often pitched for energy, focus, and anti-aging.
What the research shows
The plain read is underwhelming for the injectable hype. A 2026 systematic review found no outcome trials proving IV or injected NAD+ helps aging or wellness, and a human pilot suggested IV NAD+ is very inefficient at getting into cells. Oral precursors like NMN have a bit more metabolic data. The biology is real, the injectable payoff is not shown.
What it felt like
I have not paid for NAD+ drips. The few people I know who tried them reported a short energy and mood lift, which could be the vitamins, the saline, or the rest. I am not sold on the cost for the evidence.
Dosing reality
Clinic IV protocols vary a lot, from a few hundred to over 1000 mg per session. Since outcomes are not proven, there is no evidence-based dose. Oral precursors are cheaper to experiment with.
The one mistake to avoid
The mistake is paying for repeat drips chasing anti-aging. The cell-uptake problem means much of an IV dose may not land where you want it.
Bottom line
NAD+ matters biologically, but injectable benefits are unproven and possibly inefficient. Temper the clinic pitch.
Sources
Reminder: I am not a doctor and this is not medical advice. It is my own notes and reading of the research. Peptides sit in a legal grey area, research-grade is a real category, and it is on you to verify your own compliance. Talk to a qualified professional before you start anything, especially if you take other medication.