All Supplements
Magnesium L-Threonate vs Iodine
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Magnesium L-Threonate
Iodine
Typical Dosage
1,500-2,000mg (providing ~144mg elemental Mg)
150 micrograms daily for adults
Best Form
Magnesium L-Threonate (Magtein)
Potassium iodide
Key Benefits
5
5
Evidence Rating
★★★
★★★★★
Best Time
Evening — has calming/sleep-promoting effects
With meals to enhance absorption
Magnesium L-Threonate Benefits
✓Crosses blood-brain barrier
✓May improve memory and learning
✓Sleep quality improvement
✓Brain magnesium levels
✓Potential neuroprotective effects
Iodine Benefits
✓Supports thyroid hormone production and function
✓Essential for cognitive development and brain health
✓Promotes healthy metabolic rate and energy levels
✓Supports reproductive health and foetal development
✓Aids immune system function and antioxidant defence
Can You Take Both Together?
In most cases, Magnesium L-Threonate and Iodine 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 Iodine if your primary goal is: supports thyroid hormone production and function. 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.