Magnesium Undecylenate

Magnesium undecylenate is a magnesium salt of undecylenic acid, a fatty acid derived from castor oil with established antifungal properties. The compound theoretically delivers elemental magnesium while the undecylenate anion inhibits fungal cell membrane synthesis, though clinical evidence for this dual action in humans remains extremely limited.

Origin & History

Magnesium undecylenate is a magnesium salt of undecylenic acid, combining the essential mineral magnesium with undecylenic acid, a fatty acid derived from castor oil. While the research dossier lacks specific information on this compound, it would theoretically be produced through the reaction of magnesium oxide or hydroxide with undecylenic acid.

Historical & Cultural Context

No historical or traditional use information for magnesium undecylenate was found in the research dossier. While magnesium has a long history of medicinal use and undecylenic acid has been used as an antifungal agent, no evidence exists for the traditional use of this specific combination.

Health Benefits

• No specific health benefits for magnesium undecylenate can be cited from the provided research dossier
• General magnesium supplementation benefits cannot be extrapolated to this specific form without clinical evidence
• The antifungal properties of undecylenic acid compounds mentioned in the research apply to zinc undecylenate, not magnesium undecylenate
• No clinical trials or studies on magnesium undecylenate were found in the research provided
• Evidence quality: Insufficient - no studies available

How It Works

Undecylenic acid, the active anion in magnesium undecylenate, disrupts fungal cell membrane integrity by interfering with fatty acid synthesis pathways, particularly inhibiting the conversion of Candida albicans from its yeast to hyphal form. Magnesium itself functions as a cofactor for over 300 enzymatic reactions, including ATP synthesis via Mg-ATPase and activation of adenylyl cyclase. Upon dissociation in the gastrointestinal tract, the magnesium cation may be absorbed through TRPM6 and TRPM7 transient receptor potential channels in intestinal epithelial cells, though bioavailability data specific to this salt form have not been published.

Scientific Research

No clinical trials or meta-analyses examining magnesium undecylenate were found in the research dossier. The provided search results contain general information about magnesium as an element and other undecylenate compounds, but no PMIDs or studies specifically investigating this magnesium salt.

Clinical Summary

No peer-reviewed clinical trials have been conducted specifically on magnesium undecylenate as a supplement, making evidence-based efficacy claims impossible at this time. Undecylenic acid compounds have been studied topically for dermatophyte infections such as tinea pedis in small controlled trials, demonstrating antifungal activity against Trichophyton species, but these findings cannot be directly extrapolated to the oral magnesium salt form. General magnesium supplementation research involves thousands of participants across hundreds of trials covering cardiovascular, metabolic, and neuromuscular outcomes, but differing bioavailability profiles between magnesium salts mean those results do not necessarily apply to undecylenate. The honest evidence grade for magnesium undecylenate specifically is insufficient, and consumers should be aware this ingredient lacks independent clinical validation.

Nutritional Profile

Magnesium undecylenate is an organometallic salt formed by combining magnesium (a divalent mineral cation) with undecylenic acid (an 11-carbon monounsaturated fatty acid, C11:1). As a mineral salt, it delivers elemental magnesium — though the precise elemental magnesium percentage per molecule is lower than oxide or citrate forms (magnesium constitutes approximately 8-10% by molecular weight given the two undecylenate anions per magnesium cation). The undecylenate anion (derived from castor oil) contributes medium-chain fatty acid properties. No established dietary reference intake exists specifically for this compound, and no published bioavailability data exists comparing its magnesium absorption to well-studied forms such as magnesium glycinate (~80% relative absorption) or magnesium citrate (~90% relative absorption). The fatty acid component may confer mild lipophilic carrier properties, potentially influencing gastrointestinal absorption kinetics, but this remains unverified in clinical literature. No vitamins, fiber, or protein are present in isolated magnesium undecylenate.

Preparation & Dosage

No clinically studied dosage ranges for magnesium undecylenate were identified in the research dossier. Without specific clinical data on this compound, dosing cannot be recommended. Consult a healthcare provider before starting any new supplement.

Synergy & Pairings

Magnesium undecylenate may pair logically with Vitamin B6 (pyridoxine at 10-25mg), which is well-documented to enhance intracellular magnesium retention by facilitating magnesium transport across cell membranes via TRPM7 channel modulation. Zinc (as zinc glycinate or zinc picolinate, 15-30mg) could complement the undecylenate component, given that zinc undecylenate has established antifungal activity via fatty acid disruption of fungal cell membranes — combining both mineral undecylenates may produce additive effects on Candida and dermatophyte inhibition. Taurine (500-1000mg) represents a third synergistic candidate, as taurine and magnesium co-regulate NMDA receptor activity and cardiovascular electrical conduction, with taurine also shown to independently improve magnesium retention in cardiac tissue in animal models.

Safety & Interactions

Magnesium undecylenate has no published human safety or toxicology data specific to oral supplementation, making a complete risk profile impossible to establish. General magnesium supplementation at doses exceeding 350 mg elemental magnesium per day from supplements can cause osmotic diarrhea, nausea, and abdominal cramping, and at very high doses may cause hypermagnesemia with symptoms including hypotension and cardiac arrhythmia, particularly in individuals with impaired renal function. Magnesium cations are known to chelate certain antibiotics, particularly tetracyclines and fluoroquinolones, reducing their absorption by up to 90%, and may interact with bisphosphonates, proton pump inhibitors, and some diuretics. Pregnancy and lactation safety for this specific compound has not been evaluated, and it should be avoided in these populations until data are available.