Mineral
Iodine
Also known as: I, Iodide, Potassium iodide, Sodium iodide
A
Evidence
Essential trace mineral for thyroid hormone production. Critical for metabolism, brain development, and energy.
Primary uses
- Thyroid hormone synthesis
- Iodine deficiency
- Goiter prevention
- Thyroid hormone production
- Metabolism
- Brain development
- Energy
How it works
- Component of T3 and T4 thyroid hormones
- Required for thyroid function
- Supports metabolic rate
Dosage
- Typical range
- 150-300mcg daily
- Timing
- Any time
- With food
- Optional
- Duration
- Long-term at RDA
- Special populations
- Pregnancy requires more
Forms
- Potassium iodide
- Kelp
- Nascent iodine
Safety
Common side effects
- Usually well tolerated
Contraindications
- Thyroid disorders without guidance
Known interactions
Evidence notes
Essential for thyroid function
Grade A: Multiple well-designed human trials support the main claims.
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