Magnesium Acetyl Taurate
Magnesium acetyl taurate is a chelated form of magnesium bound to acetyl taurine, a derivative of the amino acid taurine, designed to enhance cellular uptake and central nervous system penetration. It delivers elemental magnesium alongside acetylated taurine, which may support GABAergic neurotransmission and modulate neuronal excitability.

Origin & History
Magnesium Acetyl Taurate is a synthetic magnesium salt formed by combining magnesium with N-acetyl taurate, derived from the amino acid taurine and acetic acid. It is produced chemically rather than extracted from natural sources, appearing as a white fine powder with molecular formula C4H11MgNO4S and CAS number 75350-40-2.
Historical & Cultural Context
No historical or traditional medicinal uses are documented for Magnesium Acetyl Taurate, as it is a modern synthetic compound without ties to traditional medicine systems. This distinguishes it from other magnesium forms that may have historical precedent.
Health Benefits
• No specific health benefits are documented in clinical trials for this exact form • General magnesium supplementation benefits may theoretically apply (evidence quality: not established) • Purported to have high bioavailability compared to other magnesium forms (evidence quality: not clinically verified) • May support cellular function through magnesium delivery (evidence quality: theoretical only) • Commercial sources suggest general magnesium benefits without form-specific evidence
How It Works
Magnesium acts as a cofactor for over 300 enzymatic reactions and functions as a natural NMDA receptor antagonist, blocking calcium-mediated excitotoxicity by occupying the receptor's voltage-dependent channel. The acetyl taurine component may enhance GABAergic signaling by facilitating taurine's role as a partial GABA-A receptor agonist, increasing inhibitory neurotransmission. This dual action theoretically supports magnesium's intracellular delivery by leveraging taurine's membrane-stabilizing properties and osmolyte function in neuronal tissue.
Scientific Research
No human clinical trials, RCTs, or meta-analyses specifically on Magnesium Acetyl Taurate are identified in the available research. The compound lacks dedicated human studies and no PubMed PMIDs are provided for this specific magnesium form.
Clinical Summary
No published randomized controlled trials have specifically investigated magnesium acetyl taurate as an isolated intervention in human subjects as of 2024, making its clinical evidence base absent rather than preliminary. One animal study published in a French pharmacology journal suggested this form crossed the blood-brain barrier more efficiently than magnesium oxide or magnesium sulfate in rodent models, but human pharmacokinetic data have not been replicated or published in peer-reviewed literature. General magnesium supplementation is well-supported across hundreds of trials for outcomes including blood pressure reduction (average 2–4 mmHg systolic), muscle cramp frequency, and sleep quality via regulation of melatonin and cortisol, but these findings cannot be directly attributed to the acetyl taurate form. Consumers should treat bioavailability superiority claims for this specific chelate as manufacturer-driven until independent human trials are published.
Nutritional Profile
Magnesium Acetyl Taurate is a chelated magnesium salt combining magnesium with acetyl taurine (an acetylated derivative of the amino acid taurine). As a mineral supplement, it contains approximately 10-14% elemental magnesium by molecular weight. It provides no macronutrients, fiber, or significant caloric content. The acetyl taurate ligand contributes a small amount of taurine-derived nitrogen upon metabolic cleavage. Bioavailability is theoretically enhanced compared to inorganic forms (e.g., magnesium oxide, ~4% absorption) due to the organic chelation improving intestinal transport via amino acid carrier pathways; however, direct human pharmacokinetic studies comparing this specific form to magnesium glycinate or magnesium bisglycinate are not yet published. The acetyl taurate component may theoretically cross the blood-brain barrier more readily than other forms, based on taurine's known CNS penetration properties, though this remains unconfirmed in clinical trials.
Preparation & Dosage
No clinically studied dosage ranges are available for Magnesium Acetyl Taurate. Commercial specifications indicate magnesium content of 6.5%-6.9% with acetyl taurinate purity of 91%-95%, but no standardized dosing from human studies exists. Consult a healthcare provider before starting any new supplement.
Synergy & Pairings
Magnesium Acetyl Taurate pairs well with Vitamin B6 (pyridoxine, 10-25mg), which upregulates magnesium intracellular transport via activation of magnesium-dependent enzyme systems and has demonstrated enhanced CNS magnesium retention in animal studies. Taurine (500-1000mg) complements this form synergistically by reinforcing the taurate pathway — both compounds modulate GABA-A receptor activity and calcium channel regulation, producing additive calming and neuroprotective effects. L-Theanine (100-200mg) further extends this stack by acting on GABA and glutamate receptors through independent mechanisms, creating complementary anxiolytic signaling without direct pharmacokinetic interaction. Zinc bisglycinate (15-30mg) pairs usefully at separate timing, as magnesium and zinc share overlapping cofactor roles in over 300 enzymatic reactions, though they compete for intestinal absorption via shared divalent metal transporter-1 (DMT-1) and should be dosed 2+ hours apart.
Safety & Interactions
Magnesium acetyl taurate is expected to share the general safety profile of magnesium supplements, with the most common adverse effects being dose-dependent gastrointestinal symptoms including loose stools and diarrhea, typically occurring above 350 mg elemental magnesium per day in adults. Magnesium can reduce the absorption and efficacy of certain antibiotics, particularly fluoroquinolones and tetracyclines, and may interact with bisphosphonates, requiring a minimum two-hour separation between doses. Individuals with chronic kidney disease should avoid unsupervised magnesium supplementation due to impaired renal excretion, which can lead to hypermagnesemia and cardiovascular complications. Pregnancy safety data specific to the acetyl taurate form are unavailable, though elemental magnesium is generally considered safe during pregnancy at doses not exceeding the tolerable upper intake level of 350 mg per day from supplemental sources.