Benefits
Cardiovascular Support
A 2025 meta-analysis of randomized trials found that magnesium supplements lower blood pressure by a small average amount, on the order of a few mmHg, which is not enough on its own to manage high blood pressure. That evidence is for magnesium in general. No human trial of the magnesium plus taurine compound is cited here, so the idea that combining the two adds anything extra is untested in people. The only taurate-specific study cited was done in rats.
Blood Pressure Modest Reduction
Meta-analyses of generic magnesium show a small average drop in blood pressure of a few mmHg. The taurine trials sometimes quoted for this form are not among the references cited on this page, and no cited trial tested magnesium taurate in people. Blood pressure that is actually high is a medical condition to manage with a doctor, not with a supplement.
Rat Study Only: Not Shown in People
One study in albino rats found that magnesium taurate slowed the rise in blood pressure and the heart damage caused by cadmium poisoning. That is a laboratory toxicity model, not ordinary high blood pressure, and results in rats do not predict what happens in people. No human trial of magnesium taurate is cited here.
Sleep and Anxiety
A meta-analysis of randomized trials in older adults with insomnia found that oral magnesium modestly improved sleep. That evidence is for magnesium generally, and the people studied already had trouble sleeping. Nothing cited here tested the taurate form, and no cited study measured anxiety.
Migraine: No Cited Evidence
None of the references on this page studied migraine, and none studied magnesium taurate for it. Migraine is a medical condition that should be discussed with a doctor.
Mechanism of action
Magnesium Vascular Effects
Magnesium competes with calcium at the channels that make the muscle in blood vessel walls tighten, and may help vessels release more nitric oxide, which lets them relax. This is the proposed explanation for the small blood pressure changes seen in magnesium trials, and it is a mechanism rather than a proven effect of this particular form.
Taurine Vascular Effects
Taurine has been proposed to help the lining of blood vessels, reduce oxidative stress, and influence how heart cells handle calcium. These proposals come from the 1996 Medical Hypotheses article that first suggested magnesium taurate. That article put the idea forward; it did not test it, and no cited human study confirms these effects for this supplement.
Cardiac Arrhythmia Prevention
Magnesium plays a role in the electrical signalling of the heart, and low magnesium levels are associated with irregular heartbeats. Magnesium given by drip in hospital for certain dangerous rhythms is a medical treatment delivered by doctors, and it says nothing about what a supplement capsule does for a healthy person. No study cited here tested magnesium taurate for heart rhythm.
Acetyl-Taurate Variant
Magnesium acetyl-taurate is a newer variant that suppliers say reaches the brain more easily. The tissue measurements behind that claim were made in rats, and no human study of it is cited on this page.
Clinical trials
A trial of plain taurine, not magnesium taurate, in adults whose blood pressure was above normal. This study is not one of the four references listed on this page, so its details could not be checked against the source.
120 prehypertensive adults.
The result quoted for this trial, a systolic blood pressure drop of roughly 7 mmHg, comes from taurine given by itself to people whose blood pressure was already elevated. It is not evidence for magnesium taurate, and the study is not among the references cited on this page.
One published rat study (Shrivastava 2019), in which albino rats were given cadmium chloride to raise their blood pressure and damage the heart.
Albino rats, not people.
Magnesium taurate slowed the rise in blood pressure and reduced heart damage in these poisoned rats. This is an animal toxicology experiment rather than a model of everyday high blood pressure, and results in rats do not predict what happens in people. No human trial of magnesium taurate is cited on this page.