What Is NAD+? A Plain-English Guide for Busy Women

You've heard it in a podcast ad, seen it in a group chat, maybe spotted it on a spa menu between the facials. NAD+. Everyone seems to be talking about it, and almost nobody explains what it actually is.

So here's the plain-English version, minus the hype.

What NAD+ stands for

NAD+ is short for nicotinamide adenine dinucleotide. You will never need to say that out loud, so don't worry about it.

It's a coenzyme, which is a fancy word for a helper molecule. Enzymes do a huge amount of work inside your cells, and coenzymes help them do it. NAD+ is found in every cell in your body.

What it does in your body

NAD+ is involved in how your cells make energy. When you eat, your body breaks food down and converts it into a form of energy your cells can use. NAD+ is one of the helpers in that process, a bit like a delivery driver passing materials from one step to the next.

Everyone has it. It's part of the basic machinery that keeps your cells running.

Your body also recycles it. NAD+ gets used up and rebuilt constantly, which is why the building blocks you get from food matter. Scientists have studied it for over a century. The buzz outside the lab is the recent part.

The NAD+ and NADH pair

You might also see NADH. Think of NAD+ and NADH as the same molecule in two states, empty and loaded. NAD+ picks up electrons during energy production and becomes NADH, then hands them off and becomes NAD+ again. That back-and-forth is a core part of how your cells turn food into usable energy.

Why it keeps coming up

Research suggests NAD+ levels decline as we age. Because NAD+ is involved in how cells make energy, that finding has made it a hot topic in conversations about energy and aging.

Here's the honest part. A lot of the research is still early. Many studies have been done in animals or in small groups of people, and scientists are still working out what lower levels mean and what, if anything, raising them does. Anyone promising you a specific result is getting ahead of the science.

A few terms you might see

• NAD+ injections or IV drips: offered by some clinics and telehealth providers, usually as compounded medications. Compounded medications aren't FDA-approved.

• NR and NMN: short for nicotinamide riboside and nicotinamide mononucleotide. These are precursors, building blocks your body can use to make NAD+, and they're sold as supplements.

• Niacin: a form of vitamin B3 and another building block. You get it from everyday foods like chicken, tuna, peanuts and fortified grains.

Questions to ask before you try anything

If you're curious about NAD+, talk to a licensed clinician first. A good one will happily walk you through it. Questions worth asking:

1. Is this a reasonable fit for my health history and the medications I take?

2. What does the current research show, and what doesn't it show yet?

3. Who prepares the medication, and how is quality checked?

4. What side effects should I watch for?

5. How will we decide whether to keep going or stop?

Keep the basics in the picture too. Sleep, protein, daylight and movement still matter a lot for how you feel day to day.

NAD+ at Sommar Club

Sommar Club is clinician-guided care for women who want to feel like themselves again. NAD+ care is coming soon. When it launches, a licensed clinician will review your health history and decide whether it's appropriate for you, and you'll get straight answers along the way.

See if Sommar is right for you

This article is for general education and isn't medical advice. Talk to a licensed clinician about your own health.