MineralsMagnesium

Magnesium-L-theanine (MgT) protects intestinal barrier integrity and reduces hepatic steatosis in chronic variable stress models

In preclinical chronic variable stress (CVS) models, MgT preserved epithelial barrier architecture, restored tight junction and mucus-associated proteins, normalized intestinal nutrient transporter expression, and attenuated hepatic steatosis, oxidative stress, and iron-driven metabolic damage. These effects were linked to reactivation of NAD+/SIRT1 and PPARγ signaling pathways, with co-administration of nicotinamide riboside further potentiating responses.

Last updated: Jul 8, 2026•0 RCTs•📖 Read as article →

Evidence Score

Evidence Score24/100
Human RCT☆☆☆☆☆
Meta-analysis☆☆☆☆☆
Mechanism★★★★★
Safety★★★★☆
Confidencelow

Study Evidence

Study 1. Multisystem pathology in chronic variable stress: gut-liver-brain axis disruption and the therapeutic promise of magnesium-L-theanine.

observational

Sahin K, Erek G · Therapeutic advances in endocrinology and metabolism (2026)

Participants: N/A
Duration: N/A
Intervention: Magnesium-L-theanine (MgT) complex, with and without nicotinamide riboside
Outcome: Intestinal barrier integrity (tight junction proteins, mucus-associated proteins), nutrient transporter expression, hepatic steatosis, oxidative stress, iron dyshomeostasis, NAD+/SIRT1 and PPARγ pathway activation
Effect Size: N/A
Population: Preclinical chronic variable stress (CVS) animal models

Result:

PubMed: 42180808DOI: 10.1177/20420188261451345

Mechanism Graph

MgT preserves epithelial barrier architecture and restores tight junction and mucus-associated proteins
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MgT normalizes intestinal nutrient transporter expression
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MgT attenuates hepatic steatosis, oxidative stress, and iron-driven metabolic damage
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Reactivation of NAD+/SIRT1 and PPARγ signaling pathways, enhancing metabolic flexibility and redox resilience

Limitations

  • ⚠Evidence is primarily from preclinical animal models; human translational data are lacking for the specific MgT combination in stress-induced multisystem pathology
  • ⚠Mechanistic gaps remain regarding the precise molecular interactions between MgT components and downstream metabolic regulators

Frequently Asked Questions

What is magnesium-L-theanine?▼

Magnesium-L-theanine (MgT) is a nutritional compound that combines the mineral magnesium with L-theanine, a natural amino acid found in green tea.

How does MgT affect the gut-liver-brain axis under chronic stress?▼

MgT protects intestinal barrier integrity, improves nutrient transport, reduces liver fat accumulation, and limits oxidative and inflammatory damage, thereby supporting communication between the gut, liver, and brain.

Does MgT have any clinical evidence in humans?▼

Human studies of magnesium and L-theanine supplementation separately report anxiolytic, antidepressant, sleep-promoting, and anti-inflammatory benefits, but specific clinical trials of the MgT combination for chronic stress-related multisystem pathology are not yet available.

Can MgT be combined with other supplements?▼

Yes, co-administration with the NAD+ precursor nicotinamide riboside further potentiates MgT's protective effects by reinforcing NAD+ availability and downstream metabolic control.

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References

  1. 1.Sahin K, Erek G. "Multisystem pathology in chronic variable stress: gut-liver-brain axis disruption and the therapeutic promise of magnesium-L-theanine.." Therapeutic advances in endocrinology and metabolism, 2026. PMID: 42180808 DOI: 10.1177/20420188261451345
Disclaimer: This content is for educational purposes only and is not medical advice. Evidence scores reflect the quality and quantity of available research, not clinical recommendations. Always consult a healthcare professional before starting any supplement or intervention.