Iodine (Potassium Iodide)
Mineral
Also known as: KI, Potassium iodide
A
Grade A💊 150-300 mcg daily🎯 3 primary uses🔗 2 synergies⚠️ Review warnings
Overview
Essential for thyroid hormone synthesis. Deficiency common in many regions. Careful dosing needed.
Primary Uses
Thyroid functionHormone productionMetabolic support
Dosage
Typical range
150-300 mcg daily
Timing
Any
With food
Optional
Duration
Long-term safe at appropriate doses
Special Populations
Pregnancy needs 220-290 mcg
Mechanism of Action
- • Incorporated into T3 and T4
- • Essential for thyroid peroxidase
Evidence Quality
Evidence Grade A
Essential nutrient
Safety & Contraindications
Serious Warnings
- • Excess worsens thyroid conditions
- • Can trigger hyperthyroidism
Contraindications
- • Autonomous thyroid nodules
Common Side Effects
- • Metallic taste
Pregnancy & Breastfeeding
Essential during pregnancy
Liver & Kidney Notes
Safe
Interactions
💊 Medications
- • Thyroid medications need adjustment
🧪 Supplements
- • Works with selenium
🍽️ Food & Alcohol
- • Goitrogens interfere
Stacking & Synergies
Pairs Well With
SeleniumTyrosine
Avoid Combining With
High doses in Hashimoto's
Best Goal Synergies
Thyroid optimization
Buying Guide
What to Look For
- • Standardized content
Standardization Markers
mcg iodine
Adulteration risk
Moderate for kelp
Practical Notes
- • Most multivitamins have 150 mcg
- • Hashimoto's patients consult doctor
Tags
mineralthyroidessential
Frequently Asked About Iodine (Potassium Iodide)
How much Iodine (Potassium Iodide) should I take?
The typical effective range is 150-300 mcg daily. Individual needs vary based on age, body weight, diet, and goals — start at the lower end and adjust based on response. Always consult a healthcare provider before starting a new supplement.
When is the best time to take Iodine (Potassium Iodide)?
Any. Consistency matters more than perfect timing — pick a daily anchor (e.g. with breakfast or before bed) and stick with it.
Should I take Iodine (Potassium Iodide) with food?
Optional.
Does Iodine (Potassium Iodide) interact with medications?
Yes — known interactions include Thyroid medications need adjustment. If you take any prescription medication, talk to your doctor or pharmacist before starting Iodine (Potassium Iodide).
What does Iodine (Potassium Iodide) pair well with?
Iodine (Potassium Iodide) stacks well with Selenium and Tyrosine — these combinations either improve absorption or work synergistically toward common goals.
Who should not take Iodine (Potassium Iodide)?
Iodine (Potassium Iodide) should be avoided or used with caution by people with Autonomous thyroid nodules. Pregnant or breastfeeding women should consult a healthcare provider before use.
What are the side effects of Iodine (Potassium Iodide)?
Most people tolerate Iodine (Potassium Iodide) well. The most commonly reported side effects are Metallic taste. Side effects are usually dose-dependent — lowering the dose often resolves them.
Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.