A Myers Cocktail IV is one of the most established intravenous nutrient infusions in modern wellness medicine — a single drip that combines B-complex vitamins, vitamin C, magnesium, and calcium directly into the bloodstream. Originally formulated by John Myers, MD, a Baltimore physician who used the protocol with patients in the 1960s and 1970s, the Myers Cocktail has since become a baseline reference point for clinicians offering IV vitamin therapy and a frequently requested infusion at MIXT IV Spa.

If you’ve been curious about what’s actually in a Myers Cocktail IV — and whether it’s the right drip for you — this guide walks through the ingredients, the research, the conditions it’s historically been used for, and what to expect when you book your appointment.

What Is in a Myers Cocktail IV?

The Myers Cocktail is a balanced micronutrient infusion. The classic formulation, refined and popularized by Alan Gaby, MD after Dr. Myers’ death, contains five core ingredients delivered together in sterile saline:

  • B-complex vitamins — typically including B1 (thiamine), B2 (riboflavin), B3 (niacinamide), B5 (pantothenic acid), and B6 (pyridoxine). These vitamins are central to energy metabolism, red blood cell formation, and nervous system function.
  • Vitamin B12 (hydroxocobalamin or methylcobalamin) — essential for neurological function and red blood cell production. According to the NIH Office of Dietary Supplements, B12 deficiency is common in older adults, vegans and vegetarians, and people with malabsorption conditions.
  • Vitamin C (ascorbic acid) — an antioxidant that supports immune function, collagen synthesis, and the regeneration of other antioxidants in the body. IV vitamin C achieves blood concentrations that are not possible with oral supplementation, per the NIH Office of Dietary Supplements.
  • Magnesium — a mineral involved in more than 300 enzymatic reactions, including muscle and nerve function, blood pressure regulation, and energy production.
  • Calcium — included in smaller amounts to balance the magnesium and support nerve transmission and muscle contraction.

The whole infusion typically runs over 30 to 60 minutes. Because the nutrients bypass digestion, they reach serum concentrations significantly higher than what is achievable with oral supplementation — which is the central pharmacological rationale for IV delivery.

Who Benefits Most From a Myers Cocktail IV

The Myers Cocktail is sometimes described as a “general wellness” drip, but it was originally developed for specific clinical scenarios. Dr. Gaby’s 2002 review in the journal Alternative Medicine Review documented the use of the Myers Cocktail in conditions including fatigue, fibromyalgia, asthma, migraines, and acute viral illnesses. While the evidence base for many of these uses is still developing, the underlying logic — that some patients absorb micronutrients poorly through the gut, and that bypassing the GI tract restores intracellular levels faster — is well established for specific deficiencies.

Today, the Myers Cocktail IV is most commonly used for:

  • General fatigue and low energy — particularly when associated with poor diet, stress, or recovery from illness. Patients dealing with persistent fatigue may also find Mixt’s chronic fatigue IV therapy protocol relevant.
  • Immune support — the B-complex and vitamin C content overlap with what’s in our immune boost IV, making the Myers a frequent choice during cold and flu season or before travel.
  • Hangover recovery — hydration plus B vitamins plus magnesium addresses three of the physiological problems alcohol leaves behind. Many clients pair this with our dedicated hangover IV therapy formulation.
  • Migraine support — magnesium in particular has been studied for its role in migraine prevention; the Mayo Clinic notes that magnesium and B2 (riboflavin) appear in some preventive migraine protocols. Patients with frequent migraines may want to review Mixt’s migraine IV therapy page for a more targeted protocol.
  • Post-workout recovery and athletic performance — the magnesium, B-complex, and hydration in a Myers Cocktail can support muscle function and electrolyte balance after intense training.
  • Stress and adrenal support — prolonged stress can deplete B vitamins and magnesium; the Myers Cocktail replenishes both in a single session.

A Myers Cocktail IV is not a treatment for diagnosed medical conditions. It is a wellness infusion meant to support nutritional status, hydration, and recovery in healthy adults. People with kidney disease, heart conditions, or specific electrolyte disorders should consult a physician before any IV vitamin therapy.

What the Research Says About Myers Cocktail IV Therapy

The Myers Cocktail is one of the most-discussed nutritional IV protocols in the medical literature, though the body of randomized controlled trials remains modest. The most cited reference is Gaby AR (2002), “Intravenous nutrient therapy: the Myers’ cocktail,” published in Alternative Medicine Review, which documented decades of clinical observations across multiple conditions. A subsequent randomized, double-blind, placebo-controlled pilot study published in the Journal of Alternative and Complementary Medicine (Ali et al., 2009) examined the Myers Cocktail in fibromyalgia patients. The study found symptomatic improvement in both the treatment and placebo groups, with the difference between them not reaching statistical significance — a result that supports continued interest while acknowledging the limits of small samples and the role of expectation effects.

The underlying pharmacology, in contrast, is uncontroversial:

  • IV administration produces serum concentrations of water-soluble vitamins like vitamin C that are simply not achievable orally. The NIH Office of Dietary Supplements notes that oral absorption of vitamin C is rate-limited; IV delivery bypasses this ceiling.
  • Magnesium status is meaningfully improved by IV repletion in patients who are deficient — well-established in both inpatient and outpatient settings.
  • IM and IV B12 restore B12 status faster than oral supplementation in patients with malabsorption, per NIH ODS. (For more on B12 specifically, see our companion post on how long B12 injections take to work.)

What’s less established — and what clinicians should be cautious about — is the claim that a Myers Cocktail directly treats any specific disease state. The honest framing is: it is a balanced micronutrient infusion that restores key nutrients quickly, supports hydration, and is well tolerated in healthy adults. The patient response varies, and individual factors matter.

How the Myers Cocktail Compares to Other Mixt IV Drips

The Myers Cocktail is the foundational drip that other formulations build on. It overlaps significantly with several of our other protocols, with subtle differences in emphasis:

  • Myers Cocktail IV vs. Immune Boost IV: Our immune boost emphasizes higher-dose vitamin C and zinc for active immune defense. The Myers is more balanced across B vitamins, vitamin C, and minerals.
  • Myers Cocktail IV vs. NAD+ Therapy: NAD+ IV therapy targets cellular energy metabolism and is typically used for longer protocols (multiple sessions over weeks). The Myers is a single-session foundational drip.
  • Myers Cocktail IV vs. B12 Injection: A standalone B12 or B-complex injection is faster and lower-cost than a full IV. The Myers includes B-complex along with vitamin C, magnesium, and calcium in a single session.
  • Myers Cocktail IV vs. Hangover IV: Mixt’s hangover IV therapy emphasizes higher-volume hydration plus anti-nausea support. Many clients choose Myers when they want a balanced wellness drip and Hangover when recovering from a heavy weekend.

If you’re unsure which protocol fits your goals, the intake conversation walks through what you’re looking to address — and many of our clients rotate between formulations across the year. For a broader look at how the menu fits together, see our overview of IV hydration therapy benefits.

What to Expect at Your Myers Cocktail IV Appointment

A first-time Myers Cocktail IV at MIXT IV Spa follows the same intake structure we apply to every drip:

  1. Intake conversation. A licensed clinician reviews your health history, current medications, and goals for the session. If anything in your history flags caution — active kidney disease, certain cardiac conditions, pregnancy — the clinician will discuss alternatives or refer you back to your primary physician.
  2. Vitals and IV placement. Blood pressure, heart rate, and a brief check before placement. The IV catheter goes in the arm or hand, and the drip starts at a measured rate.
  3. The infusion. Most Myers Cocktail IVs run 30 to 60 minutes. Clients typically read, scroll their phone, or rest. Some report a brief warmth or mineral taste during magnesium administration — both are normal and resolve as the infusion progresses.
  4. Post-infusion. The catheter is removed, vitals are rechecked, and most clients leave feeling well-hydrated and refreshed. There is no recovery time.

For a more detailed walk-through of the new-client experience across any drip, see what to expect at your first IV therapy session.

Frequently Asked Questions About Myers Cocktail IV Therapy

How often can I get a Myers Cocktail IV? The classic Gaby protocol called for weekly or biweekly sessions during treatment of specific conditions. For wellness use in healthy adults, most clients book Myers Cocktail IVs every 2 to 4 weeks. Your clinician will recommend a cadence based on your goals.

Is a Myers Cocktail IV safe? When administered by a credentialed clinician to an appropriate patient, the Myers Cocktail has an excellent safety record. The most common minor effects are a brief warm sensation, mineral taste, or mild lightheadedness during magnesium administration — all of which resolve quickly. Serious adverse events are rare. Patients with kidney disease, certain cardiac conditions, or specific electrolyte disorders should not receive a Myers Cocktail without physician clearance.

How fast will I feel a difference? Some clients describe feeling more alert or refreshed within hours; others notice the benefits the following day. The honest answer is that response varies based on baseline nutritional status, hydration, sleep, and individual factors.

Will a Myers Cocktail IV help with a hangover? Yes — the hydration, B vitamins, and magnesium all address pieces of the hangover physiology. For a more targeted hangover protocol, see Mixt’s hangover IV therapy.

Do I need to prepare before my appointment? Eat a normal meal, hydrate well, and arrive with your medication list. Avoid strenuous exercise immediately before the appointment. If you take blood thinners, mention this during intake.

Book a Myers Cocktail IV at MIXT IV Spa

If you’d like to experience the original IV vitamin therapy protocol — the same balanced drip that has been the foundation of clinical IV nutrition for decades — our team is here to walk you through it. Learn more about the formulation on our dedicated Myers Cocktail IV service page, or reach out directly through the contact form or by calling 310-291-0013 to schedule your appointment at one of our South Bay or Long Beach locations.

This article is for informational purposes only and does not constitute medical advice. IV vitamin therapy is not a treatment for diagnosed medical conditions and is not a substitute for evaluation by a qualified physician. Individual responses to IV nutrient infusions vary. Please consult your healthcare provider before starting any new wellness protocol, particularly if you have kidney disease, heart conditions, are pregnant, or are taking medications that interact with vitamins or minerals.