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Magnesium Malate

magnesium supplementation

mineral
Evidence · Grade D
Human trial evidenceTraditional useInteraction riskNeeds more research

Magnesium bound to malic acid for energy and fibromyalgia pain.

Magnesium malate is a compound formed by combining magnesium with malic acid. Magnesium is an essential mineral involved in over 300 enzymatic reactions in the body, playing roles in muscle and nerve function, blood glucose control, and blood pressure regulation. Malic acid is a naturally occurring alpha hydroxy acid found in fruits like apples, and it is an intermediate in the Krebs cycle, a process that generates cellular energy. This combination is sometimes chosen for magnesium supplementation due to the potential bioavailability of magnesium when bound to malate. While magnesium is widely recognized for its importance in various physiological processes, specific claims regarding magnesium malate often relate to energy production and muscle health, though robust scientific evidence for these specific applications of the malate form is still developing. As with any supplement, it is advisable to consult with a healthcare professional before use.

Quick answer

What it is: Magnesium malate is a compound formed by combining magnesium with malic acid.

May support:Celiac Disease, Migraine, Tendinitis, Restless Leg Syndrome, Ankylosing Spondylitis, Chronic Fatigue Syndrome, Magnesium Deficiency, Fibromyalgia

Evidence:Evidence · Grade D

Evidence Summary

Evidence · Grade D

The current evidence grade is based on the established roles of magnesium as an essential mineral and malic acid in metabolism. However, there is a lack of specific clinical trials directly investigating the efficacy of magnesium malate for particular health conditions.

Last reviewed · Jun 2026

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Why It Works

Mg cofactor for 300+ enzymes; malate fuels Krebs.

How it works in more detail

Magnesium functions as a cofactor for over 300 enzymatic reactions, including those involved in ATP production, DNA and RNA synthesis, protein synthesis, and nerve impulse transmission. It also plays a role in muscle contraction and relaxation, and the regulation of blood pressure. Malic acid is an intermediate in the Krebs cycle (also known as the citric acid cycle), a central metabolic pathway that generates cellular energy (ATP) from carbohydrates, fats, and proteins. The combination of magnesium with malic acid is thought to provide both the benefits of magnesium and the potential energy-supporting role of malate, though specific synergistic mechanisms for this compound are not extensively detailed in current research.

How to use

Always consult a qualified clinician.

Editorial guidance

Suggested dosage
1000–2000 mg/day
Typical forms
capsule, tablet, powder
Quality markers
Look for products from reputable manufacturers that provide third-party testing for purity and potency. Check for clear labeling of magnesium content per serving and the absence of unnecessary fillers or artificial ingredients.
Medication interactions
  • Antibiotics (tetracyclines and quinolones)
  • Diuretics
  • Proton pump inhibitors
  • Bisphosphonates
Avoid if
  • Severe kidney disease

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Suggested dosage

1000–2000 mg/day

General guidance — discuss specifics with a clinician.

Active medicinal compounds

Magnesium, Malic acid

Traditional use

Magnesium malate itself does not have a long history of traditional use as a distinct remedy. However, magnesium-rich foods have been part of traditional diets globally, and malic acid is naturally present in many fruits consumed traditionally.

Safety

Safety warnings

Loose stools at high dose.

Avoid if

  • Severe kidney disease

Medication interactions

  • Antibiotics (tetracyclines and quinolones)
  • Diuretics
  • Proton pump inhibitors
  • Bisphosphonates

Reported side effects

  • Diarrhea
  • Nausea
  • Abdominal cramping

General guidance — discuss specifics with a clinician.

Evidence ecosystem

Scientific literature, clinical guidance, government sources, ongoing research, traditional use, and lived experience — grouped by source type and quality.

Overall grade (D)

The current evidence grade is based on the established roles of magnesium as an essential mineral and malic acid in metabolism. However, there is a lack of specific clinical trials directly investigating the efficacy of magnesium malate for particular health conditions.

Clinical Trial Registries(5)

Registered ongoing or completed trials (ClinicalTrials.gov).

Moderate Quality
  • Impact of Long-term Serum Magnesium and Potassium Levels Optimization and Multifactorial Adherence Intervention on the Progression of Diabetic Kidney Disease.

    n=160 · NCT04942119 · UNKNOWN · UNKNOWN

    Insufficient clinical evidence correlates the progression of diabetic kidney disease with electrolyte homeostasis in patients diagnosed with type 2 diabetes mellitus (T2DM), especially in the United Arab Emirates (UAE) population and what are the most effective interventions to slow chronic renal failure progression. In our research, we test the hypothesis that low serum magnesium and potassium levels are directly associated with the decline of kidney function in diabetic patients who did not have severely impaired renal function at baseline. In addition, we describe the effect of long-term multifactorial adherence interventions on medication adherence, diet adherence and follow-up visits using a telemedicine approach such as mobile applications in reducing the progression of chronic kidney disease and other diabetes-related complications. This study is a single-blind randomized control trial to demonstrate the causal relationship between potassium and magnesium levels and estimated glomerular filtration rate (eGFR) decline. The intervention group will be evaluated for manifestations of electrolyte imbalance and correction of serum magnesium and/or potassium levels will be initiated based on the last updated laboratory test. Moreover, they will receive education to reinforce diet and exercise changes at each follow up visit by a specialized dietitian with pharmacist-led comprehensive medication therapy management utilizing multifactorial adherence interventions to measure potential drug-drug or drug-food interactions, as well as medication and follow-up adherence through an integrated mobile application and fixed medication possession ratio (FMPR). This research is under progress, and summary of its findings will be reported. This study will suggest if additional national monitoring guidelines may be warranted. In addition, it will reduce diabetic burden, medication cost in UAE and improve patient satisfaction by reducing or delaying the progression of diabetic kidney disease in diabetic patients.

    Clinical TrialClinicalTrials.govModerate Quality
  • A Prospective Randomised Controlled Trial of the Effect of Magnesium Sulphate Administration on Red Cell Transketolase Activity in Alcohol Dependent Patients at Risk of Wernicke Korsakoff Syndrome Treated With Thiamine

    n=127 · NCT03466528 · COMPLETED · COMPLETED

    Patients who suffer Alcohol Use Disorder (AUD) have a 30-80% incidence of thiamine deficiency causing Wernicke's Encephalopathy (WE). Intravenous (IV) thiamine replacement is standard practice in the treatment of alcoholic patients presenting to the Accident \& Emergency (A\&E) department, however routine co-supplementation with magnesium (administered IV as magnesium sulphate ), which is required as a co-factor for thiamine in some metabolic processes, e. g. on the activity of the enzyme transketolase in red blood cells, is not routine practice in the treatment of these patients. Without correction of concomitant magnesium deficiency there may be impaired utilisation of thiamine resulting in a failure to treat WE. This study is designed to determine if administration of magnesium to AUD patients affects red cell transketolasae and serum lactate concentrations by itself, or only acts to increase the effect of thiamine on the activity of this enzyme.

    Clinical TrialClinicalTrials.govModerate Quality
  • Ionized Magnesium Concentration in Athletes and Exercise Induced Changes in Ionized Magnesium

    n=18 · NCT02674789 · UNKNOWN · UNKNOWN

    Ionized magnesium variation is measured during a normal day and again during a day with an exercise protocol of 90 minutes.

    Clinical TrialClinicalTrials.govModerate Quality

Limitations: A significant limitation is the absence of specific human clinical trials evaluating magnesium malate for various health claims. While the individual components (magnesium and malic acid) have established biological roles, the combined form lacks dedicated research to support unique benefits or superior efficacy compared to other magnesium forms.

This page is educational. Statements use phrases like "may support" and "has been studied for"because no remedy here is approved to cure, treat, or reverse any condition. Discussion happens on the ailment pages — community statistics here are derived from those reports. Always consult a qualified clinician.

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