Services: IV Vitamin Drips & NAD+ Therapy

What It Is

A wellness IV drip is a bag of saline with vitamins and minerals dissolved in it, run into a vein through a small cannula over 30 to 60 minutes. The original recipe, the Myers cocktail, mixes magnesium, calcium, several B vitamins and vitamin C. Newer menus add higher-dose vitamin C, amino acids, or NAD+, sold by name for energy, immunity, hangovers, skin and recovery. NAD+ therapy applies the same delivery idea to a different molecule: NAD+ is a coenzyme every cell uses to make energy, its level falls with age, and the infusion is sold as a way to raise it again.

The category covers two situations that need to be kept apart. One is the medical use of intravenous vitamins for a documented deficiency or a gut that cannot absorb nutrients. The other is the wellness market selling the same infusions to people who are already well-nourished. This page treats them separately, because the evidence for each is different.

Anatomy

1Oral versus intravenous

The gut caps how much of a water-soluble vitamin the body absorbs and holds, so a pill raises blood and tissue levels to a ceiling and no higher. An IV bypasses that cap and reaches blood levels many times higher, which is the one pharmacological difference. In a person who is already replete, that rise is brief: the surplus above what tissues can hold is filtered by the kidneys and excreted.

2What is in a wellness drip

Most drips are saline plus water-soluble vitamins, chiefly B vitamins and vitamin C, sometimes with magnesium. The Myers cocktail is the original template. These are the same nutrients a varied diet supplies, delivered through a vein instead of by mouth. A drip sold for immunity or radiance is usually the same mixture under a brand name.

3What NAD+ is

NAD+ is a coenzyme every cell uses to convert food into usable energy and to run repair enzymes. Its level tends to fall with age, which is the basis for the whole NAD+ category. People raise it with oral precursors, nicotinamide riboside and nicotinamide mononucleotide, or with an intravenous NAD+ infusion, the slow and costly premium option.

How It Works

An IV puts nutrients into the blood directly, which drives the blood concentration of a water-soluble vitamin far above what oral dosing allows. For high-dose vitamin C studied in cancer, that height is deliberate, because very high blood concentrations produce effects that ordinary dietary amounts do not. For a standard wellness drip given to a well-nourished person, the height changes little, because the tissues that use these vitamins are already full and the surplus is excreted within hours.

Raising a blood marker is a separate matter from improving an outcome. An infusion can lift a level on a lab report, and an NAD+ precursor can measurably raise NAD+ in the blood, with no change in how a person feels, performs or ages. Whether anything downstream of the marker moves is a question each trial has to answer on its own. For the metabolic system the NAD+ work touches, see insulin and glucose; for the nutrient at the center of the high-dose infusion story, see vitamin C.

What Changed

The idea behind these drips is a plausible piece of physiology: an IV reaches blood levels a pill cannot, so more of a nutrient should mean more benefit. Whether it does depends entirely on whether the body was short of that nutrient to begin with.

The findings below fall along that line, strongest evidence first:

• Correcting a documented deficiency by vein is established medicine and does what no oral dose can when the gut cannot absorb a nutrient.
• Wellness and immunity drips in well-nourished people have weak or null controlled data.
• NAD+ precursors reliably raise the blood marker, without an established effect on energy, performance or aging.
• High-dose IV vitamin C in cancer is an investigational adjunct, not a treatment for the disease.

Where The Research Stands

Wellness Vitamin Drips

The controlled evidence for the marketed uses of a wellness drip, more energy, stronger immunity, faster hangover recovery, is thin. The one randomized test of the Myers cocktail, in fibromyalgia, found no benefit over a placebo infusion while both groups improved, which points to the experience of receiving an infusion and attention. No controlled trial supports the hangover claim. A person can still feel refreshed after a drip. But in people who are not deficient, a measurable benefit over placebo has not been shown, and because the surplus is excreted, there is little reason to expect one.

High-Dose IV Vitamin C In Cancer

High-dose intravenous vitamin C is an area of investigational oncology, separate from the wellness drip in dose and setting. Because the IV route reaches blood levels no pill can, early-phase trials have added it to chemotherapy; these report it is generally well tolerated, with preliminary signals on quality of life and fatigue. A randomized controlled trial in pancreatic cancer (PACMAN) reported a promising survival signal when high-dose IV vitamin C was added to chemotherapy, though that result is preliminary and needs confirmation in larger trials. As it stands, high-dose IV vitamin C is an experimental adjunct, not a treatment for cancer and not established to extend life, and nothing in this work supports using it in place of standard care.

NAD+, And The Precursors NR And NMN

Oral nicotinamide riboside and nicotinamide mononucleotide reliably raise NAD+ and its metabolites in the blood, shown across several randomized trials. One trial in postmenopausal women with prediabetes found NMN improved insulin sensitivity in muscle, a lead to follow. The human data stop short of the marketed payoff: a review of the trials concludes the compounds move the biomarker while everyday energy, physical performance and slower aging are not established, because the trials are small, short and inconsistent. The intravenous NAD+ drip has less behind it. The one study that tracked an infusion measured only its chemistry, and no controlled trial has tested whether an NAD+ drip improves any clinical outcome. It is also slow and expensive.

Legitimate Medical IV Vitamin Use

When a person has a documented deficiency or a condition that stops them absorbing nutrients, an intravenous vitamin corrects a shortfall a pill cannot reach. This covers gut disorders, bariatric surgery and severe malnutrition, and it is how diagnosed scurvy, pernicious anemia and iron-deficiency anemia that cannot be managed by mouth are treated.

Correcting a documented deficiency by vein is medicine; infusing someone who is already well-nourished is the wellness version the evidence does not support.

The Research & Studies

Everything here is based on the research we have collected and checked, sorted into groups and ordered with the strongest evidence first. Click any claim to open the studies behind it.

How it works

Extra water-soluble vitamins are excreted, not stored, in people who are already repleteModerate · no effect

In plain terms

In someone who is already well-nourished, tissues are full, so pushing in extra water-soluble vitamins mostly ends up in the urine rather than raising anything the body was short of.

In detail

The Levine group mapped vitamin C pharmacokinetics in healthy volunteers: absorption and tissue uptake are saturable, so oral doses drive blood and tissue levels up to a ceiling and no further, with the excess excreted. An IV route can reach blood concentrations many times higher than any pill because it bypasses the gut cap, which is the pharmacological difference behind high-dose IV vitamin C. For the water-soluble vitamins in a wellness drip given to a replete person, that higher blood level is transient and cleared by the kidneys, which is why raising a level briefly is not the same as correcting a shortfall.

The study · 1

Padayatty 2004, vitamin C pharmacokinetics oral vs intravenous · Ann Intern Med 2004

Oral nicotinamide riboside 1,000 mg a day raises blood NAD+, a biomarker not an outcomeModerate

In plain terms

The pill form of an NAD+ booster really does raise NAD+ in the blood. That part is settled. The trial measured the blood marker, not whether people felt or functioned any better.

In detail

This crossover RCT is one of several showing oral NAD+ precursors move the biomarker. Twenty-four healthy adults aged 55 to 79 took nicotinamide riboside 1,000 mg daily for six weeks and placebo for six weeks, in random order, double-blind. NAD+ metabolism was clearly stimulated, most visibly a large rise in the precursor NAAD, confirming the compound is absorbed and used. The exploratory clinical readouts, a trend toward lower blood pressure and arterial stiffness in those who started elevated, did not reach significance for the group. So the trial establishes the mechanism, raising the marker, and not a clinical outcome.

The study · 1

Martens 2018, nicotinamide riboside elevates NAD+ RCT · Nat Commun 2018

An IV NAD+ drip takes about two hours to appear in blood; the study measured chemistry onlyPreliminary · mixed

In plain terms

The one study that watched what an IV NAD+ drip actually does found the body takes hours to show any blood NAD+ and then quickly breaks it down and clears it. It measured chemistry, not whether anyone felt or functioned better.

In detail

Intravenous NAD+ is promoted for energy, recovery and anti-aging, and it is uncomfortable and expensive, typically infused slowly over hours because faster rates provoke symptoms. This pilot tracked the plasma and urine NAD+ metabolome across a 6-hour infusion and found NAD+ was not detectable in plasma until roughly two hours in, after which it was rapidly metabolized and its breakdown products rose in blood and urine. That maps the pharmacokinetics and nothing more: there is essentially no controlled trial measuring whether IV NAD+ improves any clinical outcome, so its marketed benefits rest on mechanism and testimonial rather than outcome data.

The study · 1

Grant 2019, plasma and urine NAD+ metabolome during IV NAD+ infusion · Front Aging Neurosci 2019

Blood Sugar

Oral NMN improved muscle insulin sensitivity in 25 prediabetic women in one trialEmerging

In plain terms

In one careful trial, an oral NAD+ precursor made the muscles of prediabetic women respond better to insulin. It was a single small study, it did not change weight or the other usual markers, and it used a pill, not a drip.

In detail

This is the strongest single human outcome signal among the NAD+ trials. Twenty-five postmenopausal women with prediabetes who were overweight or obese took nicotinamide mononucleotide or placebo for ten weeks, double-blind. Insulin-stimulated glucose disposal in skeletal muscle, assessed by hyperinsulinemic-euglycemic clamp, rose with NMN and not with placebo, alongside changes in muscle insulin signaling and remodeling gene expression. Body weight, blood pressure, liver fat and circulating metabolic markers were largely unchanged. It is one small trial in one group, so it is a lead to follow rather than a settled effect.

Who this may not transfer to:Measured only in postmenopausal women with prediabetes. Whether the same muscle insulin-sensitivity effect occurs in men, in younger women or in people without prediabetes is untested, so it should not be assumed to carry across.

The study · 1

Yoshino 2021, NMN and muscle insulin sensitivity in women RCT · Science 2021

Pain

Myers-cocktail drips no better than placebo for fibromyalgia in a 34-person trialPreliminary · no effect

In plain terms

In the one controlled trial, a weekly vitamin drip worked no better than a placebo drip for fibromyalgia. People in both groups felt somewhat better, which points to the effect of receiving an infusion and attention rather than the vitamins.

In detail

This is the closest thing to a head-to-head test of the popular Myers cocktail. Thirty-four adults with fibromyalgia were randomized to eight weekly intravenous micronutrient infusions or matching placebo, double-blind. On the primary tender-point measure and on the secondary pain, tenderness, depression and quality-of-life measures, there was no statistically significant difference between the infusion group and placebo at 8 or 16 weeks. Both groups improved from baseline, so the trial supports the drip being safe and feasible while leaving its benefit over placebo unestablished.

The study · 1

Ali 2009, Myers cocktail for fibromyalgia RCT · J Altern Complement Med 2009

Energy And Fatigue

NAD+ precursors raise the blood marker but have not improved energy, function, or agingPreliminary · no effect

In plain terms

Across the human studies, NAD+ boosters raise the blood level dependably but have not been shown to make people more energetic, stronger, sharper or younger. The marker moves; the payoff people are sold has not.

In detail

Summarizing the controlled human data on nicotinamide riboside and nicotinamide mononucleotide, this review separates two things: the compounds elevate NAD+ and its metabolites consistently, and the functional or clinical benefits the category is marketed on, more energy, better physical performance, healthier aging, are not established, because the trials are small, brief, use varied outcomes and do not converge on a benefit. The gap between a moving biomarker and an unchanged outcome is what a reader weighs before paying for these compounds.

The study · 1

Freeberg 2023, NAD+-boosting compounds in humans review · J Gerontol A Biol Sci Med Sci 2023

High-dose IV vitamin C with chemotherapy stayed investigational in a 14-patient studyPreliminary · mixed

In plain terms

In early studies, high-dose vitamin C given by drip alongside chemotherapy was tolerated, and a small number of people said they felt better. It is investigational. It has not been shown to shrink cancer or help people live longer, and it is not a cancer treatment.

In detail

High-dose IV vitamin C reaches blood levels no pill can, which is why it is studied as an experimental adjunct in oncology rather than as a wellness drip. In this single-arm phase I-II study, 14 patients with advanced cancer received it alongside chemotherapy; it was safe and generally tolerated, with transient infusion-related effects, and three patients had transient stable disease with increased energy and functional improvement. The investigators explicitly say the work neither settles nor rules out a role for IV vitamin C in cancer, positioning it as feasibility research. No survival benefit has been demonstrated, and nothing here supports using it in place of standard treatment.

The study · 1

Hoffer 2015, high-dose IV vitamin C with chemotherapy phase I-II · PLoS One 2015

Immune Function

A systematic review found high-dose IV vitamin C benefit limited and inconsistent, with no controlled support for wellness or immunity dripsPreliminary · no effect

In plain terms

For the everyday immunity and wellness reasons the drips are sold, the controlled evidence of benefit is thin and inconsistent, and the review that looked also documented risks to weigh.

In detail

Pulling together the controlled literature on high-dose IV vitamin C, this systematic review reports that benefit signals are limited, inconsistent and largely confined to particular clinical contexts, not the general immune-boost and wellness uses marketed by drip clinics, and it documents the risks alongside. Combined with the physiology of repletion, that is why an immunity drip for a well-nourished person is not supported by controlled outcome data, even though the infusion itself briefly raises a blood level.

The study · 1

Alangari 2026, clinical benefits and risks of high-dose IV vitamin C systematic review · J Med Life 2026

Go Deeper

• Vitamin C: the nutrient at the center of the high-dose infusion, what oral doses can and cannot do, and why food covers it for almost everyone.
• Biological aging: the aging biology that NAD+ therapy is marketed against, and how to read a biomarker that rises without a matching change in health.
• Multivitamin: where a modest daily dose of these same water-soluble vitamins usually sits, at a fraction of the cost and with the deficiency question answered.
• Whole foods: the food-first case, and why a varied diet delivers these nutrients alongside the fiber and compounds a drip leaves out.

The Chinese Medicine View

Intravenous therapy and isolated coenzymes are products of modern medicine, with no entry in the classical Chinese pharmacopoeia. No historical text assigns a channel, a temperature or a flavor to a vitamin drip or to NAD+, and there is no traditional preparation that resembles an infusion. What follows places the category against the tradition as a lens, not as evidence.

The tradition does reason about what these drips are sold to do. Tonifying, bu, is the family of methods for building up a deficiency of Qi, Blood, Yin or Yang, and its whole art is judging whether a deficiency is present and whether the person can assimilate what is given. A central teaching is that the Spleen governs transformation: nourishment has to be transformed and absorbed to become part of the body, and giving more than the system can transform does not build reserve; it creates stagnation and damp. That tracks the evidence here. Correcting a deficiency is tonification that works; giving more to a body that is already replete bypasses transformation and is largely passed out, which the tradition would read as effort without benefit.

One limit stands: this connects a modern practice to a framework the tradition has reasoned about, not a claim that Chinese medicine endorses or explains IV therapy. The evidence for any drip rests on the trials.

Cautions For This Practice

Everything to be aware of is here, in one place. This practice suits most healthy people; a few situations call for real care.

The IV line itself can cause infection, vein inflammation, and rarely air embolism

In a survey of complementary and alternative medicine practitioners who administer IV vitamin C, most reported few problems, but adverse events did occur, including infusion-site reactions, and the report notes serious harm in patients who were given high doses without appropriate screening. That documents that harms happen in real-world practice. Separately, placing a cannula and running fluid into a vein carries its own well-recognized hazards independent of the contents: phlebitis, local and bloodstream infection, extravasation, fluid and electrolyte disturbance, and the rare but serious risk of air embolism. In an unregulated storefront setting, sterile technique and screening are not guaranteed.Padayatty 2010, IV vitamin C use and adverse effects survey

High-dose IV vitamin C can trigger severe red-cell breakdown in G6PD deficiency

G6PD is the enzyme that protects red blood cells from oxidative stress. In people who inherit a deficiency, a large oxidative load can rupture red cells, causing acute hemolytic anemia. Published case reports describe exactly this after high-dose intravenous ascorbic acid, including a classic report in the BMJ and later cases presenting with dark urine and a falling blood count. The mechanism is well understood and the reaction can be severe, which is why screening for G6PD deficiency is standard before any high-dose IV vitamin C. G6PD deficiency is X-linked and is more common and often more pronounced in men, and it is more frequent in people of African, Mediterranean and South and Southeast Asian ancestry.Rees 1993, acute haemolysis from high-dose ascorbic acid in G6PD deficiencyHuang 2014, acute hemolysis from high-dose ascorbic acid

The IV line itself

Placing a cannula and running fluid into a vein carries risks independent of what is in the bag: vein inflammation, local and bloodstream infection, fluid leaking into tissue, and, rarely, an air embolism, a dangerous air bubble in the circulation. Most infusions pass without event, and these events are uncommon, but they are the clearest downside of the route, and they apply to every drip.

G6PD deficiency and high-dose vitamin C

People with the inherited enzyme condition G6PD deficiency can suffer sudden, severe breakdown of red blood cells after high-dose intravenous vitamin C. The mechanism is well understood and the reaction can be dangerous, which is why reputable clinics screen for G6PD deficiency before any high-dose infusion. If you have G6PD deficiency, avoid a high-dose vitamin C drip and raise it with your clinician.

Iron overload with intravenous iron

Intravenous iron treats iron-deficiency anemia, but given to someone who is not iron-deficient it can push iron stores too high, and repeated infusions without a clear need risk iron overload, which harms the liver, heart and other organs. Iron by vein belongs with a documented deficiency and a monitoring plan, not on a wellness menu.

Unregulated clinics and self-treatment

Many wellness drips are given in storefront or mobile settings that sit outside the checks a medical facility carries, so sterile technique, dosing, screening and emergency readiness are not guaranteed. A drip is also not a substitute for diagnosing an underlying problem: reaching for one to fix persistent fatigue or a recurring illness can delay finding out what is causing it. If a symptom keeps returning, it needs a proper diagnosis.

Cost, and a conversation for a clinician

Wellness drips and NAD+ infusions are expensive and are usually paid out of pocket, session after session, for a benefit that in a well-nourished person is not established. If you are considering an intravenous vitamin, a clinician can tell you whether you have a deficiency to correct, in which case it may be useful, and can base the decision on testing rather than a menu.

Start slow, be smart, read the research, and consult a professional if you have any concerns. This is here to inform your choice, not make it for you.

Common Questions

Do vitamin IV drips give you more energy?

For most people who eat a reasonable diet, controlled trials have not shown they do. The one controlled trial of the classic Myers cocktail found it worked no better than a placebo drip, and both groups improved, which points to the experience of the infusion, not the vitamins. The physiology fits: the body caps how much of these water-soluble vitamins it holds, so in someone already replete the surplus is excreted within hours. A drip can feel refreshing, largely from the fluid and the pause, but a measurable energy benefit over placebo has not been shown.

Does high-dose vitamin C treat cancer?

No. High-dose intravenous vitamin C is being studied as an experimental adjunct alongside standard cancer treatment, and early trials suggest it is generally well tolerated with some quality-of-life signals. A randomized controlled trial in pancreatic cancer (PACMAN) reported a promising survival signal when it was added to chemotherapy, but that result is preliminary and needs confirmation in larger trials. As it stands, high-dose IV vitamin C is investigational: it is not established to shrink tumors or extend life, it is not a treatment for the disease, and it is completely separate from a wellness clinic drip in dose and supervision. It is not a reason to delay or replace standard care.

Do NAD+ boosters like NR and NMN work for anti-aging or energy?

They do one thing dependably: oral nicotinamide riboside and nicotinamide mononucleotide raise NAD+ in the blood, and that is well shown. Whether that raised level delivers the marketed results, more energy, better performance, slower aging, is not established in people, because the human trials are small, short and inconsistent. One trial did find NMN improved muscle insulin sensitivity in prediabetic women, a lead to watch. An intravenous NAD+ drip has less controlled evidence behind it, and it is slow and expensive.

Are IV vitamin drips safe?

Usually, but not without risk. The needle and line carry the clearest downside: any IV can cause vein inflammation, infection, and, rarely, an air embolism, and these apply whatever is in the bag. High-dose vitamin C can trigger dangerous red-cell breakdown in people with G6PD deficiency, so that should be screened for first. Intravenous iron given without a deficiency can push iron stores too high. Because many drips are given in unregulated settings, the quality of screening and technique varies, which weighs against a benefit that, for wellness uses, is thin.

When is an intravenous vitamin actually the right choice?

When there is a documented deficiency or a reason the gut cannot absorb a nutrient. People with severe malabsorption, certain gut disorders, some post-surgical states, diagnosed scurvy, pernicious anemia, or iron-deficiency anemia that cannot be managed by mouth benefit from getting the nutrient by vein, because it corrects a shortfall. That is the medical use, decided by a clinician on the basis of testing. Infusing someone who is already well-nourished is the use the evidence does not support.