Reference Ranges
Clinical Reference
100.0 – 300.0 ug/L
Optimal Range
150.0 – 250.0 ug/L
Critical Range
< 50.0
/
> 500.0
ug/L
Spot urine; reflects recent intake
Related Conditions
Iodine Excess
High
Hypothyroidism
Low
Iodine Deficiency
Low
Food & Lifestyle Recommendations
🍎 Food
Include iodized salt, seaweed (moderate), dairy, eggs, and seafood
Dietary iodine sources
Evidence-Backed Supplements
When Low
-
Direct iodine supplementation restores urinary iodine
Potassium iodide or kelp 150 mcg/day Any
Questions to Ask Your Doctor
- Could this be contributing to my thyroid issues? Iodine deficiency affects thyroid
Upload your blood test to see how your Iodine (urine) compares to reference and optimal ranges.
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