Today we’re diving into the world of NAD⁺—the different ways you can take it, and what really sets each dosage form apart. You’ve probably seen NAD⁺ IV drips on social media, heard about injections at wellness clinics, maybe you’re already taking NR or NMN supplements, and a few weeks ago we talked about NAD⁺ patches.
But what’s the real difference between all these delivery systems? Which one works best, which one is worth the cost, and what does the science actually say?
What is NAD+?
First, let’s start with the basics. What is NAD⁺?
NAD⁺, or nicotinamide adenine dinucleotide, is a coenzyme your cells need to produce energy.
When NAD⁺ levels drop, your cells can’t perform at their best. As we age, NAD⁺ naturally declines, which can leave you feeling tired, recovering slower from workouts, or just generally low on energy.
Boosting NAD⁺ can help reverse some of that, supporting things like more energy, better metabolism, faster recovery, improved endurance, and even some anti-aging benefits.
How does NAD+ work?
So how does it actually work? NAD⁺ powers your mitochondria—the tiny energy factories in your cells—cycling between NAD⁺ and NADH to produce ATP, whis is your body’s energy currency.
But it’s not just about energy.
NAD⁺ activates sirtuins, enzymes linked to DNA repair and longevity, helps regulate inflammation and circadian rhythm and improves insulin sensitivity. It also supports neurotransmitters like dopamine and serotonin, which can boost focus and mood. Some studies even suggest NAD⁺ therapy may help with cravings or withdrawal support, particularly for alcohol or opioids, which is pretty remarkable.
The idea behind NAD⁺ therapy is simple: if levels decline over time, restoring them may support cellular function. The question isn’t whether NAD⁺ matters—it’s how you deliver it.
NAD+ IV infusions
Let’s start with the most well-known method: NAD⁺ IV infusions.
This is the classic slow drip, where NAD⁺ is delivered directly into the bloodstream over two to four hours, sometimes longer depending on the dose and your tolerance.
Because it bypasses digestion entirely, bioavailability (how much reaches the bloodstream) is extremely high. Blood levels spike, and some people notice shifts in mental clarity or energy within hours or days.
Sounds great, right? The downside is that IV therapy is time-intensive and expensive—sessions can cost several hundred to over a thousand dollars.
The drip rate also has to be carefully controlled, since going too fast can increase discomfort. Some people feel unwell during an IV infusion because the substance enters the bloodstream rapidly at high levels, which can temporarily overwhelm the body and trigger symptoms like nausea, flushing, or chest tightness. So while you get the highest peak levels, it also requires the biggest commitment.
NAD+ fast IV push
A faster alternative is the IV push. Here, NAD⁺ goes directly into the vein over 10 to 30 minutes instead of being “slow dripped” over hours.
Bioavailability is still very high, and the time savings are obvious, but faster delivery can feel more intense, with a higher chance of side effects. Remember, you’ll still need a clinical setting, and the cost is similar to an IV infusion. It’s essentially a compressed version of IV therapy—shorter, but sometimes more intense.
NAD+ IM injections
Next, we have intramuscular injections, or IM NAD⁺. This involves a quick injection into a muscle, typically the upper outer glute, deltoid, or outer thigh.
IM injections absorb more gradually than an IV but still bypasses the digestive system. Peak blood levels aren’t as high as IV, but are higher than oral supplements.
With IM injections, visits are short—usually just a few minutes—and costs are generally lower than IV therapy. In many cases, they can also be administered at home once proper training is provided. Some people notice mild soreness at the injection site, and absorption can vary between individuals, but many see IM as a middle ground—stronger than oral supplements, less time-consuming, and more affordable than IV.
NAD+ SC injections
There’s also subcutaneous (SC) injections of NAD⁺. This method delivers NAD⁺ just under the skin into fatty tissue. Absorption is slower and steadier than IM. Like IM injections, some people can even administer it at home, which adds convenience and lowers costs.
With subcutaneous injections, peak NAD⁺ levels aren’t as high as IV or IM, but effects feel consistent and siide effects are usually limited to mild irritation at the injection site. These SC injections are often used as a maintenance strategy rather than a high-dose boost.
NAD+ precursors
Moving along, I don’t want to forget about NAD+ precursors. I think it’s important to mention that most people aren’t taking NAD⁺ directly—they’re taking precursors like NR (nicotinamide riboside) or NMN (nicotinamide mononucleotide).
These compounds are converted by the body into NAD⁺ through what’s called the “salvage pathway,” which is basically the cell’s recycling system. So every time NAD⁺ is used, it creates a byproduct called nicotinamide, or NAM. Instead of wasting it, the body reuses NAM to make more NAD⁺.
NR is an early precursor in the pathway that leads to NAD⁺. It first converts into NMN, which then becomes NAD⁺ inside your cells. While NR takes a slightly longer route than NMN, both ultimately increase NAD⁺ levels, supporting energy, metabolism, and overall cellular health.
Both NR and NMN supplements are taken orally. Because they have to pass through digestion and liver metabolism, bioavailability is lower compared to IV and NAD+ injections. But they’re convenient, widely available, and much more affordable. Side effects are usually mild—maybe some minor stomach upset, diarrhea, bloating, and headache—and results are gradual, often noticeable after weeks of consistent use.
NAD+ transdermal patches (Push Patch)
Finally, there’s a newer option: NAD⁺ Push Patches. We spoke about these a few weeks ago. These are transdermal patches designed to deliver NAD⁺ through the skin over 12 to 14 hours using a process called iontophoresis. This is a non-invasive, pain-free method that uses gentle electrical currents to send NAD⁺ straight into your bloodstream.
By bypassing digestion, more of the active ingredients reach your cells. Plus, it provides a slow, steady release, so effects last longer than many oral supplements—or even some IV treatments—without the hassle or expense of frequent injections. Patches are easy to use, painless, and don’t require clinic visits.
When it comes to NAD+ patches, side effects are typically limited to mild skin irritation, and costs generally fall between supplements and injections.
So you may be asking yourself, what’s best NAD+ delivery system to use? Well that really depends on your goals, budget, and how aggressively you want to boost NAD⁺ levels. IV gives the biggest spike and fastest effects but again this may come with some unwanted side effects we discussed earlier. Injections provide a middle ground, supplements are convenient and affordable, and patches offer a needle-free, low-effort alternative with very minimal side effects. The right choice really comes down to your priorities and lifestyle.
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Until next time, be well, and have a happy, healthy week.
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