Best Supplements for Jaw Tension

By Leo

Jaw tension is a common issue that can quietly interfere with your day-to-day life. Whether it's from stress, poor posture, or nighttime teeth grinding, jaw tightness can lead to headaches, soreness, and even difficulty speaking or eating comfortably. For many people, this chronic tension is both frustrating and physically draining.

Thankfully, natural supplements can offer a gentle, effective way to relieve jaw tension—especially when combined with good lifestyle habits like stress reduction and posture awareness. Below are two evidence-based supplements that may help relax tight jaw muscles and reduce associated discomfort.

Magnesium (Glycinate Form)

Magnesium plays a critical role in muscle function and nervous system regulation. When levels are low, muscles are more prone to cramping and tension—including those in the jaw. Magnesium glycinate is especially helpful due to its calming properties and high bioavailability.

  • Mechanism of action: Promotes muscle relaxation and reduces neuromuscular excitability
  • Dosage or usage tip: Start with 200–400 mg of magnesium glycinate daily, preferably in the evening
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L-Theanine

L-Theanine is a naturally occurring amino acid found in green tea. Known for promoting a calm, focused mental state, it may help reduce stress-induced jaw clenching, especially at night. It doesn’t cause drowsiness, making it suitable for use during the day as well.

  • Mechanism of action: Supports alpha brainwave production and balances cortisol levels
  • Dosage or usage tip: Take 100–200 mg once or twice daily, depending on stress levels
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In Summary

Jaw tension can stem from both physical and psychological sources. Magnesium glycinate helps your muscles relax and supports deep, restorative rest, while L-Theanine calms the mind and reduces the stress that often triggers jaw clenching. Together, these supplements may provide meaningful support for managing and reducing jaw tightness over time.

As always, speak with your healthcare provider before starting any new supplement—especially if you’re on medications or have a health condition.

This article is for informational purposes only and does not constitute medical advice.