Can I take magnesium glycinate with Clonazepam (clonazepam), a benzodiazepine, for anxiety or seizure disorders?

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Last updated: January 27, 2026View editorial policy

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Can You Take Magnesium Glycinate with Clonazepam?

Yes, you can safely take magnesium glycinate with clonazepam, and this combination may actually provide synergistic anxiolytic benefits without significant safety concerns.

Evidence for Safety and Synergy

The combination of magnesium and benzodiazepines like clonazepam appears to be both safe and potentially beneficial:

  • Magnesium enhances benzodiazepine effects through GABA receptor modulation. Research demonstrates that magnesium's anxiolytic effects are mediated through benzodiazepine/GABA(A) receptors, and combining sub-therapeutic doses of magnesium with benzodiazepines produces synergistic anxiolytic activity 1.

  • No contraindications exist for this combination. Extensive guidelines on clonazepam use for anxiety disorders, seizure disorders, and REM sleep behavior disorder do not identify magnesium as a contraindicated or cautionary co-medication 2.

  • Magnesium may allow for lower benzodiazepine dosing. The synergistic interaction observed in preclinical studies suggests that magnesium supplementation could potentially reduce the required dose of clonazepam while maintaining therapeutic efficacy 1.

Neurological Benefits of the Combination

For patients using clonazepam for seizure disorders or anxiety:

  • Magnesium has neuroprotective properties. Magnesium functions as an NMDA receptor antagonist and protects against excitotoxicity, with emerging evidence supporting its role in epilepsy, anxiety, and depression management 3.

  • Clonazepam is effective for seizure prophylaxis. Clonazepam acts on GABA(A) receptors and is recommended for patients with epilepsy refractory to multiple antiepileptic drugs, with typical dosing of 0.25-2.0 mg at bedtime 2, 4.

  • Both agents work through complementary mechanisms. While clonazepam directly enhances GABA(A) receptor activity, magnesium modulates glutamate pathways and also influences GABA receptor function, providing dual-pathway anxiolytic and neuroprotective effects 1, 3.

Clinical Considerations

Dosing recommendations:

  • Magnesium glycinate can be taken at standard supplemental doses (200-400 mg elemental magnesium daily) without adjustment when combined with clonazepam 3.
  • Clonazepam dosing should follow standard guidelines: 0.25-2.0 mg for anxiety or REM sleep behavior disorder, or 2.5-6.0 mg daily when used as adjunct for depression 2, 5.

Monitoring for clonazepam side effects remains important:

  • Common adverse effects include morning sedation, confusion, memory dysfunction, and early morning motor incoordination 2.
  • In patients with neurodegenerative disorders or sleep apnea, use clonazepam with heightened caution as these conditions increase risk of adverse effects 2.
  • Magnesium supplementation does not appear to exacerbate these side effects based on available evidence 1, 3.

Potential Therapeutic Advantages

For anxiety management:

  • The combination may provide enhanced anxiolytic effects through complementary GABA and glutamate pathway modulation 1, 3.
  • Magnesium has demonstrated efficacy in anxiety and depression, conditions for which clonazepam is also prescribed 2, 5, 3.

For seizure disorders:

  • Both agents have anticonvulsant properties through different mechanisms, potentially providing additive seizure protection 4, 3.
  • Magnesium's role in preventing excitotoxicity complements clonazepam's GABA-enhancing effects 3.

Important Caveats

  • Avoid abrupt discontinuation of clonazepam. Sudden cessation can precipitate withdrawal seizures, particularly in patients with seizure disorders 2.
  • Magnesium does not substitute for clonazepam. While synergistic, magnesium should be viewed as a complementary supplement rather than a replacement for prescribed benzodiazepine therapy 1, 3.
  • Excessive magnesium can cause diarrhea. Start with lower doses of magnesium glycinate and titrate based on gastrointestinal tolerance 3.

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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