IV Therapy in Gilbert, AZ: What It Does

IV nutrient therapy bag and infusion chair in a naturopathic clinic room in Gilbert, AZ — An IV nutrient infusion in progress: a bag of fluid and nutrients delivered through a small catheter in the arm.

IV Therapy in Gilbert, AZ: What the Evidence Shows

Short Answer

IV therapy delivers fluids, vitamins, and minerals directly into the bloodstream through a small catheter in a vein, bypassing digestive absorption
It is a supportive treatment, most useful when you are depleted, dehydrated, recovering, or unable to absorb nutrients well through your gut
At Regenerative Performance in Gilbert, AZ, infusions are physician-supervised, screened against baseline labs, and adjusted when the clinical picture calls for it

If you are in Gilbert or the East Valley and have felt run down for months, an IV may be on your list of things to try. Here is what an infusion can and cannot do, and how we decide whether one belongs in your plan.

You have probably already worked through a shelf of supplements, cleaner eating, more water, and maybe a doctor visit that ended with "your labs look fine." But if your body is genuinely depleted or your gut is not absorbing what you swallow, another capsule will rarely fix it. What helps is finding out why you are running empty and choosing a route that restores the deficit.

IV nutrient therapy is a medical treatment that delivers fluids, vitamins, and minerals directly into the bloodstream through a small catheter in a vein, bypassing the digestive tract. At Regenerative Performance in Gilbert, AZ, every infusion is physician-ordered and physician-supervised, with baseline lab screening before infusing rather than a walk-in menu. It tends to help people who are depleted, recovering from illness, dehydrated, or limited in how well they absorb nutrients by mouth. The published evidence is thinner than many clinics imply, so IV therapy is best understood as support for a larger medical plan, not a stand-alone treatment.

If you have been run down for months and oral supplements have not changed how you feel, the next step is an evaluation that works out why you are depleted, what your labs show, and whether an infusion belongs in your plan at all.

Schedule an evaluation for fatigue, depletion, or slow recovery at our Gilbert, AZ clinic, also serving Chandler, Mesa, Queen Creek, and the greater Phoenix area.

Call 480-508-4226 Work With Us

New patient appointments are limited each month to devote sufficient time and attention to each case.

At our Gilbert clinic, patients come to IV therapy from two directions. Dr. Myers's internal-medicine patients often arrive after months of unexplained fatigue, digestive trouble, or slow recovery, and patients in our regenerative orthopedic programs receive infusions to support their treatment plans. Either way, the infusion suite is one tool inside a larger workup rather than the product being sold. The new-patient evaluation is where we work out why you are depleted, what your labs show, and whether IV therapy belongs in your plan.

Key Facts About IV Therapy

Here is what you need to know about IV therapy before deciding whether it makes sense for you.

What IV therapy is: Intravenous (IV) nutrient therapy delivers fluids, vitamins, minerals, and amino acids directly into the bloodstream
Who it helps: Adults who feel depleted or run down, are recovering from illness, are dehydrated, or have digestive conditions that limit nutrient absorption
How it works: Infused nutrients bypass the digestive tract, which matters most when absorption is compromised, depletion is pronounced, or the plan calls for higher therapeutic doses than oral supplements can reach, such as high-dose vitamin C in selected immune- and infection-related plans
Goal of treatment: Restore fluid and nutrient status to support the rest of your medical plan. An infusion supports care. It does not replace diagnosis
What is in the infusions: Standardized base formulations, including our Micronutrient IV, hydration, immune support, glutathione, and NAD+, adjusted when the clinical picture calls for it
Typical treatments: Many patients come in 1 to 3 times per week during an active phase of care, depending on the formulation, the condition being treated, and how severe it is
Where: Regenerative Performance, a naturopathic medical clinic in Gilbert, AZ
Next step: Call 480-508-4226 about IV therapy in Gilbert, AZ

This article is especially useful if you have been depleted for months, your supplement routine has not changed anything, and you want to know whether an infusion would actually do something a capsule cannot.

What Is IV Therapy?

IV therapy is the delivery of fluids and nutrients directly into a vein, sometimes called an IV drip, so they reach your bloodstream without passing through your stomach and intestines first.

The route is the point, and vitamin C is where it has been measured most precisely. Everything you swallow has to survive digestion and cross the gut wall, and the gut tightly limits how much it lets through. In a National Institutes of Health study, at the 1.25 g dose vitamin C reached a mean peak plasma concentration more than six times as high given intravenously as taken by mouth, and the researchers concluded that oral vitamin C produces plasma concentrations that are tightly controlled (Padayatty et al., 2004).

That ceiling is not a problem when the goal is ordinary nutrition. Dietary intakes of 100 to 200 mg per day already provide adequate to saturating blood levels for normal function (Carr et al., 2017), which is one reason honest IV medicine does not claim everyone needs infusions.

The ceiling matters when the goal is something other than ordinary nutrition. An infusion earns its place when the gut is the bottleneck, as in inflammatory digestive conditions, recovery periods when eating and drinking are limited, or depletion that months of oral supplementation have not corrected. It also earns its place when the plan calls for a blood level oral dosing simply cannot reach, whether or not you are formally deficient. High-dose vitamin C is the clearest example. It is used off-label in selected immune- and infection-related plans for screened patients, and the evidence for clinical benefit there is still limited and mixed.

What Does IV Therapy Actually Do?

IV therapy does three things dependably: it restores fluids, it corrects a confirmed nutrient deficiency, and for some nutrients it reaches blood levels oral dosing cannot, which is a separate goal from correcting a deficiency and is often the actual reason an infusion is ordered rather than a capsule. That third one is a statement about concentration, not about how you will feel. Whether a given level helps a given problem depends on the nutrient and on what has actually been studied. Past those three, the evidence thins out fast, and it is thinner than the marketing around IV bars implies.

Start with the studies that did not flatter the therapy.

The Myers' cocktail evidence

The most cited trial of the Myers' cocktail is a placebo-controlled pilot study in fibromyalgia. Patients receiving the infusions improved in tenderness, pain, and quality of life at eight weeks; the placebo group also improved in tenderness and pain, though not in quality of life, and the infusions were not statistically superior to placebo on any outcome measure (Ali et al., 2009). That trial tested one relatively simple Myers' cocktail formulation. Expanded micronutrient infusions like our Micronutrient IV carry significantly more ingredients, so those results cannot simply be extrapolated to the formulations being run in practice today, in either direction.

Vitamin C in recovery

The recovery-support evidence is more encouraging in narrow settings. In a randomized controlled trial after total knee replacement, results indicate that postoperative IV vitamin C lowered ESR, a blood marker of inflammation, compared with the control group (Ramón et al., 2023). That is a real measured effect on an inflammation marker in a surgical recovery setting.

Glutathione by mouth and by IV

Glutathione is an antioxidant that maintains redox balance, helps reduce oxidative stress, supports detoxification, and regulates immune function. The need for it rises with oxidative stress, poor nutrition, or a high toxic burden. A small study suggests healthy older adults have a 46% lower red blood cell glutathione level than younger controls (Minich et al., 2019). That is nutrition research on why glutathione status matters. The more useful question for an infusion is what the route itself does to the level in your blood.

The two routes turn out to do genuinely different jobs, and the research deserves a careful read because it is often quoted badly. In seven healthy volunteers, a single oral dose of glutathione did not significantly raise plasma glutathione over the following four and a half hours (Witschi et al., 1992). That study is frequently cited as proof that swallowing glutathione is pointless. It does not indicate that. It suggests only that one dose does not move plasma levels within a few hours.

Taken daily over months, oral glutathione does build stores. In a placebo-controlled trial in 54 adults, six months of daily oral glutathione raised glutathione levels in red blood cells, plasma, and lymphocytes (Richie et al., 2015). So oral supplementation has a real role.

Infusion is the opposite profile. An intravenous dose raised plasma glutathione more than forty-fold, and the level fell back within about an hour (Aebi et al., 1991). That steep rise and short stay is what the IV route is for, and it is also part of why we pair glutathione with the cofactors your body needs to recycle it rather than infusing it alone.

That is pharmacology, evidence about where a nutrient goes and how long it stays, and working from it when trial data is thin is a large part of how treatment decisions get made here.

NAD+ infusions

Nicotinamide adenine dinucleotide (NAD+) is a cofactor for NAD+-dependent enzymes that regulate DNA repair, cellular metabolism, and immune function (Reyna et al., 2026), which is why infusions of it draw interest for fatigue and recovery.

What the research has not worked out yet is how an infusion translates into how you feel. In a small pilot study run at one slow infusion rate, plasma NAD+ did not measurably rise until after the 2-hour mark, and the study did not compare rates or establish an optimal protocol (Grant et al., 2019). The biology is well described, the infusion research is still early, and we will say so during your evaluation.

Read together, IV therapy is supportive and adjunctive. It can restore what is depleted, but it does not replace a diagnosis, and it does not substitute for sleep, nutrition, and hydration, the foundations that drive how you feel. That is how we use it at Regenerative Performance.

Find out whether physician-supervised IV therapy fits your situation. Schedule an evaluation for fatigue, depletion, or slow recovery at our Gilbert, AZ clinic, also serving Chandler, Mesa, Queen Creek, and the greater Phoenix area.

Call 480-508-4226 Work With Us

What Is in an IV at Regenerative Performance?

The infusions at Regenerative Performance are standardized base formulations that the clinical team adjusts when the clinical picture calls for it. The bases are evidence-supported and consistent from visit to visit. Modifications happen when your labs, symptoms, or response warrant them.

The core formulations cover the common situations, each with a defined role. For depletion and general support we use our Micronutrient IV. Drip menus around the Valley still advertise the Myers' cocktail for this, but that formula is dated and narrow, built on a short list of ingredients. Ours is the expanded version of the same idea: a fuller spectrum of B vitamins, minerals, trace elements including zinc and selenium, buffering to keep the mix comfortable in the vein, and vitamin C. When your condition calls for something more, we add to it, whether that is extra B complex, additional magnesium, L-carnitine, or amino acids. Hydration infusions replace fluids and electrolytes. Immune support centers on vitamin C, with high-dose vitamin C used in selected immune- and infection-related plans for screened patients. Glutathione supports the body's own antioxidant and detoxification systems, and NAD+ supports cellular energy production.

The body's endogenous glutathione synthesis and recycling involve cofactor nutrients, including B vitamins, magnesium, selenium, zinc, and vitamin C, and NAD+ metabolism draws on many of the same cofactors. At Regenerative Performance, glutathione and NAD+ infusions are paired with cofactor support rather than given as a single agent.

Vials and saline bag for a physician-ordered IV nutrient formulation on a clinic preparation tray — The building blocks of a standardized infusion: sterile fluid and physician-ordered vitamins and minerals prepared for a single session.

How Is Physician-Supervised IV Therapy Different From a Drip Bar?

Physician-supervised IV therapy differs from a drip bar in what happens before the IV ever goes in. Screening, lab work, and a medical decision about whether an infusion is appropriate for you at all come first. Drip bars sell convenience, and for a healthy adult wanting fluids, convenience may be enough. The difference shows up when your health is the reason you are there.

Instead of choosing an infusion from a menu and hoping it matches what your body needs, we screen first. Baseline functional lab testing shows what is actually depleted. Kidney function is checked before most infusions, because every infusion adds a fluid load your kidneys must handle. G6PD testing comes before any high-dose vitamin C. The formulation is then adjusted off those results, and a physician is in the building while you infuse.

G6PD deficiency, an inherited enzyme condition many people do not know they carry, is why a vitamin C dose that is uneventful for one person can be dangerous for another. Screening for it takes a simple blood test, and it happens here before anything is infused, regardless of what a walk-in menu offers.

The last difference is that an infusion here sits inside a workup. If your fatigue traces to a thyroid, hormone, gut, or infection issue, the infusion supports the plan while the underlying driver gets treated. You can read how the service is structured on the IV therapy page.

What to Expect at Your IV Therapy Appointment

Every IV therapy patient at Regenerative Performance starts with a new-patient evaluation. There is no drop-in infusion menu. The evaluation covers your history, symptoms, and goals, orders baseline labs, and determines whether IV therapy belongs in your plan at all.

Infusions are then scheduled as seated visits in the clinic's IV suite. Session length depends on the formulation. Hydration and Micronutrient IV visits are shorter, while NAD+ runs considerably longer and is paced to how you feel. How often you come in depends on the formulation you are receiving, the condition we are treating, and how severe it is. Many patients come in 1 to 3 times per week during an active phase of care, and frequency and formulation are adjusted based on your response and your lab results.

IV therapy rarely works alone. Depending on what your workup shows, your physician may pair infusions with peptide therapy, targeted supplementation, or hormone therapy when labs point that direction. Regenerative Performance is a cash-pay practice. An itemized superbill is available on request, and submitting it to your plan is up to you.

Who Is a Good Candidate for IV Therapy?

A good candidate for IV therapy is usually someone whose body is depleted, recovering, or absorbing poorly, rather than someone chasing a trend. Most people who benefit recognize themselves here:

Run down, depleted, or persistently fatigued while a medical workup is underway to find out why
Recovering from an illness, a demanding stretch, or a surgery, and wanting nutritional support during the rebuild
Digestive conditions that limit how well you absorb nutrients from food and supplements
A treatment plan that calls for nutrient doses oral supplementation cannot reach, such as high-dose vitamin C in selected immune- and infection-related plans
Dehydration that oral fluids have not corrected
Months of oral supplements without a meaningful change in how you feel
You are willing to invest in your health, as these are cash-pay services

Some patients need additional screening labs before an infusion is safe to order, and some are not good candidates at all. Significant kidney disease, heart failure and other fluid-sensitive conditions, and G6PD deficiency for high-dose vitamin C all change what is safe to infuse.

If those points sound like you, call 480-508-4226 and talk it through with our team.

Frequently Asked Questions About IV Therapy

Is IV therapy really worth it?

IV therapy is worth it when there is a clinical reason for it: genuine depletion, poor absorption, dehydration, or a plan that calls for higher nutrient doses than oral supplements can reach. For a healthy adult with normal digestion, the evidence does not support routine infusions.

Is IV vitamin therapy evidence-based?

IV vitamin therapy has a limited and mixed evidence base, and it depends on which therapy you mean. IV iron is a proven treatment for iron deficiency, and IV magnesium has FDA-approved uses. The broader nutrient cocktails have thinner support. Some trials suggest measurable effects in specific settings, while the best-known Myers' cocktail trial suggests improvements that did not beat placebo. The fair label for those is supportive care with early evidence.

How is IV therapy different from taking supplements by mouth?

IV therapy bypasses the digestive tract, so nutrients reach the bloodstream without depending on gut absorption. Oral supplements are adequate for most people most of the time. The IV route matters most when absorption is compromised, depletion has not responded to oral repletion, or the goal is a therapeutic dose, such as high-dose vitamin C, that oral supplements cannot reach.

Why do IV glutathione infusions seem to stop working after a few weeks?

Published evidence does not establish why glutathione infusions appear less effective over time for some patients. That is a question for your provider to evaluate directly, based on your labs and history. One thing worth reviewing with your provider is overall nutrient status, because several nutrients, including B vitamins, magnesium, selenium, zinc, and vitamin C, participate in glutathione metabolism.

Who should avoid IV therapy?

IV therapy should be avoided or carefully limited by people with significant kidney disease, heart failure, or other fluid-sensitive conditions, because infusions add a fluid load the body must handle. High-dose vitamin C should not be given without G6PD testing, since G6PD deficiency can make it dangerous.

Does IV therapy help with dehydration?

IV fluids correct dehydration quickly and reliably, because fluid and electrolytes are restored directly into circulation. For mild dehydration, oral fluids remain the first answer. IV hydration earns its place when fluid losses are large or oral rehydration has not caught up.

Do you need a prescription for IV therapy?

IV nutrient therapy is a medical treatment that must be ordered by a licensed medical provider and administered under that provider's supervision. The order is where screening decisions, formulation choices, and dose limits get made, which is why meaningful medical oversight matters more than the menu.

Does insurance cover IV therapy at Regenerative Performance?

IV nutrient therapy is typically not covered by insurance, and Regenerative Performance is a cash-pay practice that does not bill, verify, or contract with insurance plans. High-dose IV vitamin C is used outside its FDA-approved indication. IV NAD+ and glutathione are not FDA-approved products for the uses discussed here. That regulatory status is part of why they are rarely reimbursed. An itemized superbill is available on request. Submitting it and confirming what your plan requires is up to you. HSA and FSA funds can often be applied.

Still have questions? The best way to get answers is a conversation. Call 480-508-4226.

Medical Disclaimer: IV nutrient therapy is administered at Regenerative Performance under physician supervision as part of a naturopathic plan. High-dose IV vitamin C is used outside its FDA-approved indication. IV NAD+ and glutathione are not FDA-approved products for the uses discussed here. Use is based on the individual patient's clinical plan. Results vary. The information on this page is educational and does not constitute medical advice. We need to evaluate your specific situation before determining whether IV therapy makes sense for you.

About Dr. Kaitlyn Myers

Dr. Kaitlyn Myers, ND

Dr. Kaitlyn Myers, ND, is a naturopathic physician at Regenerative Performance in Gilbert, AZ. She leads the practice's hormone therapy, functional-medicine, and internal-medicine care, working with women through perimenopause and menopause, treating thyroid and adrenal dysfunction, resolving chronic infections like Lyme and mold toxicity, and using functional labs to uncover root causes. She is a graduate of Southwest College of Naturopathic Medicine (SCNM) and practices an investigative, systems-based approach to complex chronic illness. Read Dr. Myers's full bio.

References

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Ramón R, et al. Anti-inflammatory effect of vitamin C during the postoperative period in patients subjected to total knee arthroplasty: a randomized controlled trial. J Pers Med. 2023;13(9):1299. DOI: 10.3390/jpm13091299.
Carr AC, Maggini S. Vitamin C and immune function. Nutrients. 2017;9(11):1211. DOI: 10.3390/nu9111211.
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Grant R, Berg J, Mestayer R, et al. A pilot study investigating changes in the human plasma and urine NAD+ metabolome during a 6 hour intravenous infusion of NAD+. Front Aging Neurosci. 2019;11:257. DOI: 10.3389/fnagi.2019.00257.
Reyna K, Heinzen G, Patel N, et al. Intravenous infusion of nicotinamide adenine dinucleotide (NAD+) versus nicotinamide riboside (NR): a retrospective tolerability pilot study in a real-world setting. Front Aging. 2026;7. DOI: 10.3389/fragi.2026.1652582.
Padayatty SJ, Sun H, Wang Y, et al. Vitamin C pharmacokinetics: implications for oral and intravenous use. Ann Intern Med. 2004;140(7):533-537. DOI: 10.7326/0003-4819-140-7-200404060-00010.
Witschi A, Reddy S, Stofer B, Lauterburg BH. The systemic availability of oral glutathione. Eur J Clin Pharmacol. 1992;43(6):667-669. DOI: 10.1007/BF02284971.
Richie JP Jr, Nichenametla S, Neidig W, et al. Randomized controlled trial of oral glutathione supplementation on body stores of glutathione. Eur J Nutr. 2015;54(2):251-263. DOI: 10.1007/s00394-014-0706-z.
Aebi S, Assereto R, Lauterburg BH. High-dose intravenous glutathione in man. Pharmacokinetics and effects on cyst(e)ine in plasma and urine. Eur J Clin Invest. 1991;21(1):103-110. DOI: 10.1111/j.1365-2362.1991.tb01366.x.

NOTE: This article provides general information to help the reader better understand IV nutrient therapy, naturopathic approaches to fatigue and depletion, and related subjects. All content provided in this article, website, or any linked materials, including text, graphics, images, research, and outcomes, are not intended, and should not be used, as a substitute for direct medical advice, diagnosis, or treatment. Please always consult with a professional and licensed healthcare provider to discuss if any treatment is right for you.