IV & NAD+ Therapy
IV Vitamin Therapy: What the Evidence Shows and What to Expect
IV vitamin therapy delivers fluids, vitamins, and nutrients directly into the bloodstream. Major medical reviewers note that high-quality evidence for routine IV vitamin infusions in healthy people is limited, so evaluation and individualized care matter. Here is how to think about it.
Reviewed by the clinical team at Zest Regen Health · September 29, 2026 · 7 min read
Content managed by Phil Kim, Lucky Consulting Group
IV vitamin therapy delivers fluids, vitamins, minerals, and sometimes other nutrients directly into the bloodstream through an intravenous line. Major medical reviewers, including Harvard Health and Mayo Clinic, have noted that high-quality evidence that IV vitamin infusions benefit healthy people without a documented deficiency is limited, and the FDA has not approved IV vitamin therapy for general wellness use. At Zest Regen Health in Columbia, Maryland, IV therapy is offered as part of an individualized plan, after a medical evaluation, rather than as a one-size-fits-all drip.
What is IV vitamin therapy?
An IV infusion puts a sterile solution directly into a vein, so the nutrients bypass the digestive system. Common formulations include vitamin C, B-complex vitamins, B12, magnesium, calcium, amino acids, glutathione, and NAD+. The composition varies by clinic and by the reason for treatment.
What does the evidence say?
For healthy people without a deficiency, the evidence that IV vitamin drips improve energy, immunity, or performance is limited. Harvard and Mayo Clinic reviews, and the BMJ Drug and Therapeutics Bulletin, have concluded there is no high-quality evidence that IV vitamin infusions benefit healthy people, and some reviews note the risks can outweigh uncertain benefits. Where evidence is stronger is in specific clinical settings, such as treating a verified deficiency when oral therapy is not an option. NAD+ infusions, which Zest discusses separately, also have an evolving evidence base rather than established routine-use data.
Why does a medical evaluation come first?
An infusion for the wrong person, at the wrong dose, can cause harm. Kidney problems, certain medications, and conditions such as heart or kidney disease can change the risk profile of even common vitamins and fluids. High-dose vitamin C, for example, is contraindicated in some conditions, and anyone with chronic kidney disease should not receive high-dose IV vitamin C. A history, medication review, and appropriate baseline testing help the clinical team determine whether IV therapy is safe and likely useful for you.
What are the potential risks?
- Infection or irritation at the IV site
- Electrolyte imbalances or fluid overload, especially with heart or kidney disease
- Allergic reactions to ingredients
- Oxalate kidney stones and kidney injury risk with repeated high-dose IV vitamin C
- Hemolysis risk in people with G6PD deficiency or iron overload
Who may be a candidate for IV therapy at Zest?
Candidacy is individual. During a consultation at the Columbia clinic, the clinical team reviews your symptoms, medical history, medications, and any relevant lab work to determine whether an infusion, a specific formulation, or an alternative approach such as oral supplementation or NAD+ therapy is more appropriate. IV therapy is never appropriate for everyone, and Zest does not promote it as a substitute for medical care.
| Question | Typical answer at Zest |
|---|---|
| Do I need labs before an IV? | Often yes; depends on your history, medications, and formulation |
| How long does a session take? | Usually 30 to 60 minutes depending on the drip |
| How many sessions are recommended? | Based on your goals and response; plans are individualized |
| Is IV therapy a treatment for a medical condition? | No; it is supportive wellness care evaluated case by case |
How IV therapy fits into your plan at Zest
IV and NAD+ therapies at Zest sit alongside regenerative medicine, hormone optimization, medical weight loss, and wellness testing. Because every plan starts with evaluation, the same symptom, such as fatigue, may lead to very different recommendations for different people, from testing to nutrition to treatment. A drip is a tool, not the whole answer.
Starting with a consultation in Columbia, Maryland
Zest Regen Health is located at 8860 Columbia 100 Parkway, Suite 216, Columbia, MD 21045, serving patients in Columbia, Howard County, Ellicott City, Fulton, and surrounding communities. If you are curious whether IV therapy could be appropriate for you, the first step is a consultation with the clinical team, not an infusion.
See how IV therapy is evaluated at the Columbia clinic (/services/iv-therapy/).
Read about NAD+ therapy and how it works (/services/nad-therapy/).
Learn about diagnostic wellness testing and why labs guide care (/services/wellness-testing/).
Meet the physicians who supervise care at the Columbia clinic (/dr-francisco-ward/).
Sources & further reading
- Mayo Clinic: IV vitamin therapy, lack of proven benefit and potential risks
- Harvard Health: IV therapy for vitamin replenishment, health boost or expensive placebo?
- BMJ Drug and Therapeutics Bulletin: Intravenous vitamin injections, where is the evidence?
- National Cancer Institute: Intravenous Vitamin C (PDQ)
Talk with our care team about this topic
A member of our clinical team can answer your questions at the Columbia, Maryland clinic. If IV Therapy may be appropriate for you, the first step is a consultation.
Care at Zest Regen Health is physician-guided. Meet our physicians, who evaluate patients at the Columbia, Maryland clinic.