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Magnesium L-Threonate vs Vitex (Chasteberry)
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Magnesium L-Threonate
Vitex (Chasteberry)
Typical Dosage
1,500-2,000mg (providing ~144mg elemental Mg)
400-500 mg daily of standardised extract (0.6% agnuside)
Best Form
Magnesium L-Threonate (Magtein)
Standardised dry extract
Key Benefits
5
5
Evidence Rating
★★★
★★★
Best Time
Evening — has calming/sleep-promoting effects
Morning with food; consistent daily use recommended for 2-3 menstrual cycles before assessing effectiveness
Magnesium L-Threonate Benefits
✓Crosses blood-brain barrier
✓May improve memory and learning
✓Sleep quality improvement
✓Brain magnesium levels
✓Potential neuroprotective effects
Vitex (Chasteberry) Benefits
✓Reduces premenstrual syndrome (PMS) symptoms including bloating and mood changes
✓Supports regular menstrual cycles and hormonal balance
✓May alleviate breast tenderness and cyclical mastalgia
✓Potentially improves fertility outcomes in women with luteal phase defects
✓Helps regulate progesterone levels in the luteal phase
Can You Take Both Together?
In most cases, Magnesium L-Threonate and Vitex (Chasteberry) can be taken together safely. However, always check the interactions section of each supplement and consult a healthcare professional if you take medication.
Which Should You Choose?
Choose Magnesium L-Threonate if your primary goal is: crosses blood-brain barrier. Choose Vitex (Chasteberry) if your primary goal is: reduces premenstrual syndrome (pms) symptoms including bloating and mood changes. Many people take both as they target different aspects of health.
Disclaimer: This comparison is for educational purposes only. Always consult a healthcare professional before starting any supplement.