What Is NAD+? Injection vs. Nasal Spray
5 min read
The 3 p.m. crash. The brain fog that won't lift. Workouts that take days to recover from. If you've started to feel like your body is running on a lower battery than it used to, there may be a reason at the cellular level, and it has a name: NAD+.
The molecule every cell runs on
NAD+ (nicotinamide adenine dinucleotide) is a coenzyme found in every single cell in your body. Without it, your cells can't turn food into usable energy. It's that fundamental.
NAD+ powers three jobs your body depends on every day:
Energy production: NAD+ is essential to your mitochondria, the power plants inside your cells that create the energy you feel.
DNA repair: it fuels the enzymes that repair everyday damage to your DNA.
Healthy aging: it activates sirtuins, a family of proteins researchers call "longevity genes" for their role in how cells age.
Why you may be running low
Here's the catch: research shows NAD+ levels decline as we age, and stress, poor sleep, alcohol, and inflammation can drain them further. Lower NAD+ means your cells have less of what they need to produce energy and repair themselves.
That's why so many people are turning to NAD+ therapy. Instead of waiting for levels to keep slipping, they're giving their cells direct support.
Why people are choosing NAD+
NAD+ has become one of the most popular wellness treatments for good reason. People add it to their routine to support:
All-day energy without relying on caffeine
Mental clarity and focus for work and life
Faster recovery after workouts and busy weeks
Healthy aging from the inside out
Metabolic health and a body that feels more efficient
Scientists have been studying NAD+ intensively for years, and human studies show that supporting NAD+ can raise levels in the body. Many patients describe feeling sharper, more energized, and more like themselves.
Two ways to get it: injection or nasal spray
NAD+ Injection | NAD+ Nasal Spray | |
|---|---|---|
How it's taken | Quick injection on a schedule your provider sets | A simple spray into the nose |
Needles | Yes | None |
Best for | People who want a classic, direct routine | People who want a fast, needle-free option |
Only Human price | $199/month | $179/month |
Both are designed to deliver NAD+ without relying on digestion, and both are prescribed and monitored by a licensed provider.
Which one fits your life?
If you're comfortable with injections, NAD+ injections are the go-to choice for many people. If needles aren't your thing, the nasal spray makes it easy to support your NAD+ levels in seconds. Your provider will help you choose based on your goals.
Give your cells what they need
You can't turn back the clock, but you can give your body the building blocks it needs to keep up with your life. Pair NAD+ with good sleep, movement, and real food, and you're setting yourself up to feel your best for years to come.
Ready to recharge? Explore NAD+ Injection or NAD+ Nasal Spray and start your free health questionnaire.
Sources: Covarrubias et al., “NAD+ metabolism and its roles in cellular processes during ageing,” Nature Reviews Molecular Cell Biology, 2021.
Ready to take the next step?
NAD+ Injection
This article is for educational purposes only and is not medical advice. Compounded medications are not FDA-approved and have not been reviewed by the FDA for safety or effectiveness. Talk with a licensed provider before starting any treatment.
