All Supplements
Magnesium L-Threonate vs Grape Seed Extract
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Magnesium L-Threonate
Grape Seed Extract
Typical Dosage
1,500-2,000mg (providing ~144mg elemental Mg)
150–300 mg daily
Best Form
Magnesium L-Threonate (Magtein)
Standardised extract (95% proanthocyanidins)
Key Benefits
5
5
Evidence Rating
★★★
★★★★
Best Time
Evening — has calming/sleep-promoting effects
With meals for optimal absorption
Magnesium L-Threonate Benefits
✓Crosses blood-brain barrier
✓May improve memory and learning
✓Sleep quality improvement
✓Brain magnesium levels
✓Potential neuroprotective effects
Grape Seed Extract Benefits
✓Supports cardiovascular health and blood pressure regulation
✓Provides potent antioxidant protection against free radical damage
✓May improve blood flow and vascular endothelial function
✓Supports collagen integrity and skin health
✓May reduce inflammation and support joint health
Can You Take Both Together?
In most cases, Magnesium L-Threonate and Grape Seed Extract 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 Grape Seed Extract if your primary goal is: supports cardiovascular health and blood pressure regulation. 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.