NAD+ Injections Before and After: What Changes, and What to Watch For

Written by: Meeting Point Health | Medically reviewed by: Dr. Stephen Matta, DO |

Last reviewed 10/29/2026

Key Takeaway: While NAD+ injections are often promoted as a silver bullet for a youthful appearance, most people who notice a change after NAD+ therapy describe how they feel, not how they look. Steadier energy, clearer thinking, and better sleep are some of the improvements we’ve seen at Meeting Point Health in Philadelphia, PA. 

Maybe it’s an afternoon slump that your coffee no longer fixes, or brain fog that makes simple tasks feel heavier than they should. Maybe you’re recovering more slowly from workouts, or you simply want to protect your health as you get older. If any of this sounds familiar, you’ve likely heard about NAD+ injections, and wondered whether it could help you. 

Those posts make NAD+ sound simple. Our team is here to let you know that the reality is more nuanced, and more useful to understand before you decide to spend time and money on treatment. 

In this guide, we explain what NAD+ does, what people realistically notice after treatment and how soon, how injections and IV therapy differ, and how to tell whether NAD+ is the right next step for you. 

What NAD+ Does in Your Body

Every cell in your body needs energy to do its job, and NAD+ (nicotinamide adenine dinucleotide) is one of the molecules that makes that possible. It’s a coenzyme, or helper molecule, that cells use to convert the food you eat into usable energy and to carry out routine repair (Covarrubias, 2021).

The challenge is that NAD+ doesn’t stay at the same level throughout life. Studies of human tissue show it tends to decline as we age (Massudi, 2012). Researchers are still working out how much that decline contributes to the slower energy and recovery many people notice over time, but it’s the main reason interest in restoring NAD+ has grown so quickly.

What a Realistic NAD+ Before and After Looks Like

With consistent NAD+ therapy, most changes show up in how your day feels rather than in the mirror. Here’s how the two compare.

Felt Changes: What Most Patients Notice

These are the changes patients describe most often:

• Steadier energy: Energy holds into the afternoon instead of dropping off after lunch.
• Sharper focus: Tasks that felt foggy or heavy become easier to work through.
• More restful sleep: Patients wake up feeling more refreshed.
• Better resilience: A hard workout or a stressful week no longer wipes you out the way it used to.

These shifts can make a real difference in your quality of life, even though they don’t show up in a photo.

Visible Changes: What to Know About Photos

Many of the dramatic NAD+ before and after photos online come from aesthetic practices, where NAD+ was given alongside several other skin treatments. That makes it hard to tell what NAD+ contributed on its own.

When patients do notice a visible difference, it tends to be subtle, such as looking more rested once they’re sleeping better and have more energy.

At Meeting Point Health, we measure your progress by how you feel compared with where you started, rather than relying on photos.

Why Results Vary

Two people can receive the same treatment and have very different experiences, because NAD+ is only one piece of a much larger health picture. Factors that may shape your results include:

• Age and overall health
• Underlying symptom causes
• Sleep schedule
• Nutrition
• Alcohol intake
• Activity levels
• NAD+ dosage and delivery
• Consistency of sessions

The best way to know whether NAD+ has helped is to understand where you started. A comprehensive evaluation not only helps determine the right treatment for your health concerns, but also establishes a baseline of your symptoms to help you compare outcomes over time.

Treatment with Meeting Point Health always begins with Dr. Stephen Matta, who, with the Meeting Point Health team, conducts a careful health history intake. Our process includes a medication review, wellness goal discussion, and comprehensive health screening. 

If NAD+ treatment is recommended, you’ll also receive guidance about how to prepare for your sessions.

NAD+ Timeline: What People Report After Treatment

So, how long does NAD+ take to work? Some patients at Meeting Point Health feel a difference within a day or two, but most notice gradual changes over several weeks of regular sessions. The table below reflects a typical timeline that our patients have found when undergoing NAD+ Therapy

What you feel during those early sessions depends partly on how NAD+ is delivered. 

NAD+ Delivery Methods

NAD+ is typically delivered in one of three ways:

• Intravenous (IV): NAD+ is delivered straight into the bloodstream via a slow drip into a vein, offering close to 100% bioavailability. 
• Intramuscular (IM): NAD+ is delivered directly into a muscle via injection 
• Subcutaneous (SC): NAD+ is injected just under the skin

Injections are quick, often taking just a few minutes. IV therapy tends to take a bit longer, typically an hour or more. In exchange, NAD+ reaches your bloodstream directly, and a clinical team can watch how you respond and adjust the pace as you go. 

NAD+ Side Effects and Safety

Most patients tolerate NAD+ well, and when side effects do occur, they’re usually mild and short-lived. The most common we’ve seen at our Philadelphia, PA clinic include:

• Soreness at the injection or IV site
• Flushing or warmth
• Nausea
• Headache
• Fatigue or lightheadedness
• Chest tightness or a racing heart, more often with fast IV delivery

These symptoms are easier to manage when a clinical team is monitoring your session. Chest tightness and a racing heart usually ease once the infusion is slowed, and soreness at the injection site typically fades within a day or two. If any symptom becomes severe or doesn’t go away, contact your provider.

If NAD+ isn’t the right fit for you, even at a slower pace, Niagen (nicotinamide riboside) IV therapy offers a gentler option. We explain how the two compare in Should You Try IV NAD+? What We Know So Far.

When Fatigue or Brain Fog Needs a Closer Look

While declining NAD+ levels can explain many of the symptoms that we associate with aging, it is not their only cause. 

Ongoing fatigue or brain fog may result from thyroid problems, anemia, blood sugar issues, hormone changes, poor sleep, lingering infections, and gaps in nutrition. Without addressing these issues, the potential for NAD+ therapy to help is limited. Treating the underlying cause of your symptoms is essential to finding relief. 

A comprehensive health evaluation should always be completed before starting NAD+ therapy. This helps to determine whether NAD+ treatment is the best option for your symptoms, as well as whether complementary or alternative treatments are needed. 

At Meeting Point Health, we evaluate your results during and after treatment to determine whether you’re getting the outcomes you want, or if more investigation is needed. 

NAD+ Therapy in Philadelphia

NAD+ therapy at Meeting Point Health always begins with a full health history intake and, when appropriate, lab or functional testing to understand what’s driving your symptoms and concerns.

For many of our patients, NAD+ IV therapy is just one part of a personalized treatment plan. Our triple board-certified in Primary Care, Non-Surgical Orthopedics, and Stem Cell Therapy, Dr. Stephen Matta provides oversight for every patient, offering expertise in cellular medicine to help patients receive the right treatments, whether that’s NAD+, Niagen, or something else. Our nursing staff also monitors each session, adjusting the pace for comfort and patient safety.

For our team, the best “before and after results of NAD+ injections” isn’t just about how a patient looks, but how they feel, offering both relief from symptoms and an improved quality of life. To learn more, schedule a discovery call online or call our Philadelphia office at 215-298-9928 to connect with one of our New Patient Onboarding Specialists. 

FAQs

Does NAD+ Cause Weight Gain?

Clinically speaking, there’s no evidence that NAD+ causes weight gain. There’s also no evidence that it causes weight loss, so NAD+ therapy shouldn’t be viewed as a weight-management treatment. 

What Should You Not Mix With NAD+?

Before starting NAD+ therapy, review all of your medications and supplements with your clinician. Most providers also recommend limiting alcohol in the days around your sessions.

Still have questions? Reach out to the Meeting Point Health team to learn more about NAD+ therapy in the Philadelphia area.

Disclaimer: The information provided in this blog is for informational and educational purposes only and is not intended to replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition or treatment, and never disregard professional medical advice based on information found on this website.

References

• Covarrubias AJ, et al. NAD+ metabolism and its roles in cellular processes during aging. Nature Reviews Molecular Cell Biology. 2021;22(2):119–141.
• Massudi H, et al. Age-associated changes in oxidative stress and NAD+ metabolism in human tissue. PLoS One. 2012;7(7):e42357.
• Grant R, et al. A pilot study investigating changes in the human plasma and urine NAD+ metabolome during a 6 hour intravenous infusion of NAD+. Frontiers in Aging Neuroscience. 2019;11:257.
• Martens CR, et al. Chronic nicotinamide riboside supplementation is well-tolerated and elevates NAD+ in healthy middle-aged and older adults. Nature Communications. 2018;9(1):1286.
• Yoshino M, et al. Nicotinamide mononucleotide increases muscle insulin sensitivity in prediabetic women. Science. 2021;372(6547):1224–1229.
• U.S. Food and Drug Administration. Bulk Drug Substances Used in Compounding Under Section 503A of the FD&C Act.

Related Reading

• Should You Try IV NAD+? What We Know So Far