All Supplements
Iodine vs L-Glutamine
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Iodine
L-Glutamine
Typical Dosage
150 micrograms daily for adults
5-10g daily
Best Form
Potassium iodide
L-Glutamine powder
Key Benefits
5
5
Evidence Rating
★★★★★
★★★
Best Time
With meals to enhance absorption
Post-workout or divided throughout the day with meals
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
L-Glutamine Benefits
✓Supports intestinal barrier integrity
✓Enhances immune cell function
✓Promotes muscle recovery and protein synthesis
✓May improve gut health and reduce leaky gut
✓Supports nitrogen balance during catabolic states
Can You Take Both Together?
In most cases, Iodine and L-Glutamine 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 Iodine if your primary goal is: supports thyroid hormone production and function. Choose L-Glutamine if your primary goal is: supports intestinal barrier integrity. 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.