All Supplements
Magnesium L-Threonate vs Iron
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Magnesium L-Threonate
Iron
Typical Dosage
1,500-2,000mg (providing ~144mg elemental Mg)
8-18 mg daily for adults (varies by age and gender)
Best Form
Magnesium L-Threonate (Magtein)
Ferrous sulphate
Key Benefits
5
5
Evidence Rating
★★★
★★★★
Best Time
Evening — has calming/sleep-promoting effects
Take on an empty stomach with vitamin C for enhanced absorption; separate from calcium and caffeine by 2+ hours
Magnesium L-Threonate Benefits
✓Crosses blood-brain barrier
✓May improve memory and learning
✓Sleep quality improvement
✓Brain magnesium levels
✓Potential neuroprotective effects
Iron Benefits
✓Supports oxygen transport via haemoglobin
✓Enhances energy production and reduces fatigue
✓Improves cognitive function and concentration
✓Supports immune system function
✓Essential for healthy red blood cell formation
Can You Take Both Together?
In most cases, Magnesium L-Threonate and Iron 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 Iron if your primary goal is: supports oxygen transport via haemoglobin. 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.