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NAD+
How NAD+ injections work
NAD+ (nicotinamide adenine dinucleotide) is a coenzyme found in every cell in your body, and it does one essential job: it helps turn the food you eat into the energy your cells run on. Your mitochondria — the part of the cell that produces that energy — can't finish the process without it. The same supply is also used by enzymes that handle routine cell maintenance, including DNA repair and how cells respond to stress. NAD+ levels are understood to decline with age and under physical stress. An injection delivers the coenzyme directly, skipping digestion.
Plan Details
$169/month
Any prescribed dose.
+ Rejuva Meds membership
Any Dose Program
One price. Any prescribed dose.
Turns food into usable energy
NAD+ carries electrons through the reactions that turn food into the energy your cells run on. Your mitochondria can't finish that process without it.
One supply, two demands
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NAD+ is required for sirtuin activity — a family of proteins involved in DNA repair, stress resistance, and longevity. By supporting NAD+ levels, you help activate these pathways that decline with age.
Supports metabolic health and insulin sensitivity.
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NAD+ supports metabolic health by helping regulate energy metabolism and insulin signaling. By maintaining healthy NAD+ levels, you support the cellular pathways that influence glucose handling.
What to expect, week by week
Week 1-4
NAD Begins working
The injection puts NAD+ into circulation directly, skipping digestion. Your mitochondria use it immediately — carrying electrons through the final steps of turning food into energy. But NAD+ isn't stored. It's consumed continuously and levels fall between doses, so these first weeks are about frequency.
Week 4-12
The competition eases
Your cells make two claims on the same NAD+ supply: energy production, and the maintenance enzymes that handle DNA repair and cellular stress response. Energy wins that competition. When the pool is tight, maintenance runs on what's left. Sustained dosing means both draw from more. Some patients notice changes in this window, others notice little — both are normal.
Month 3+
Long-term cellular support
NAD+ isn't something you finish. Your cells break it down and rebuild it constantly, so support is ongoing rather than a course with an end date. Most protocols shift here — from a frequent early cadence to a maintenance rhythm your provider sets based on how you've responded.
FAQ
What most patients ask us before starting
What is NAD+ treatment?
NAD+ (Nicotinamide Adenine Dinucleotide) is a coenzyme your body produces naturally — and uses to generate cellular energy, support DNA repair, and maintain metabolic function. Levels decline with age. NAD+ therapy is a provider-guided protocol designed to replenish those levels through structured dosing. At Rejuva Meds, every protocol is reviewed by a licensed provider and built around your medical history, your goals, and how your body responds over time.
How does NAD+ support cellular health?
NAD+ plays a role in how your cells produce energy, repair damage, and regulate metabolism. By supporting these underlying processes, NAD+ therapy is intended to support steadier energy, recovery, and long-term cellular function. The goal isn't a quick lift — it's restoring a baseline your body relies on.
Who is NAD+ treatment for?
NAD+ therapy is generally considered by adults focused on long-term wellness, energy, recovery, and metabolic support. Eligibility is determined by a licensed provider based on your medical history, current health, and goals. Treatment isn't right for everyone — that's why every plan begins with a provider review, not a checkout.
How does the prescription process work?
You complete a quick clinical intake, share your medical history, and connect with a licensed provider. If approved, your medication is prepared by a partner pharmacy and shipped directly. Your provider stays involved as your dosing is titrated and adjusted over time.
What should I know about side effects?
Injection-site reactions are the most common — redness, swelling, or tenderness where you inject. Nausea, fatigue, headache, flushing, and dizziness can also occur, most often shortly after a dose.
Are these medications FDA approved?
No. The medications prescribed through Rejuva Meds are compounded preparations, and compounded medications are not FDA-approved. The FDA does not review compounded preparations for safety, effectiveness, or manufacturing quality before they’re marketed. They are prescribed by a licensed clinician and prepared by a licensed pharmacy when determined appropriate for you. Read full safety information
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