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Also known as: potassium iodide, iodine supplement, Lugol's solution
An essential trace element required for thyroid hormone synthesis. The UK RNI is 140mcg/day. Iodine deficiency can impair thyroid function and is common in some UK populations, particularly those who do not consume dairy or fish. However, excess iodine can worsen autoimmune thyroid conditions including Hashimoto's thyroiditis.
This page contains self-reported experiences from the Narrated community — not clinical data. Outcomes are subjective. Always consult your doctor or specialist before starting, stopping, or changing any intervention.
Total Reports
8
Median Score (Wk 8)
5/10
Would Continue
50%
Avg Duration
11 wk
Most Common Goal
thyroid hormones
Most Reported Side Effect
Stomach upset (50%)
Based on self-reported community data. Scores use a 1–10 scale.
Regulatory status does not mean an intervention is safe or unsafe. Laws vary by country — check your local regulations.
Women who reported on Iodine mentioned using it for the following goals. This does not mean it is intended for or achieves any of these outcomes.
Aggregated patterns from 8 self-reported experiences with Iodine.
50% of women said they would continue this protocol
5.3/10 average self-reported outcome score at week 8
Most commonly reported effects: Stomach upset, Thyroid sensitivity, Metallic taste
Outcome Score Distribution (Week 8)
8 of 8 reports included a week 8 score
Would Continue Protocol
8 of 8 reports included this response
Commonly Reported Effects
Percentage of reports mentioning each effect
Based on 8 self-reported experiences. This is community data, not clinical evidence. Individual outcomes vary. Discuss any intervention with your healthcare provider.
8 reports from women who tried Iodine
I gave Iodine a fair trial for my thyroid medication adjustments. Some improvement in energy improved but the brain fog lingered persisted. Still deciding whether to continue.
Started Iodine alongside hypothyroid symptoms alongside menopause management. Week 4: the worst of the symptoms eased. Week 8: I felt significantly better. Would definitely continue.
I started Iodine after dealing with TSH fluctuations for months. By week 4 I noticed I noticed a subtle improvement. At 6 weeks, I felt like I had my life back. I'd recommend discussing it with your GP.
I tried Iodine for fatigue and weight gain from thyroid issues but the results were mixed. I noticed a subtle improvement, but it didn't hold up long-term. It might work for others but was modest for me.
Unfortunately Iodine didn't work for my hypothyroid symptoms alongside menopause. I gave it 10 weeks and I saw no real change. Back to square one unfortunately.
Research context compiled from published sources
Iodine is incorporated into thyroglobulin in the thyroid gland and used to synthesise thyroxine (T4) and triiodothyronine (T3) via thyroid peroxidase. Without adequate iodine, the thyroid cannot produce sufficient hormones, leading to hypothyroidism. Excessive iodine can paradoxically inhibit thyroid hormone synthesis (Wolff-Chaikoff effect) and exacerbate autoimmune thyroiditis.
Well Studied
Extensive human research over many years, including randomized controlled trials.
Well Characterized
Decades of long-term safety data available from human use.
Dose ranges from published research. Individual dosing should be determined with your healthcare provider based on your specific circumstances.
Factual research context from published sources — not a safety assessment or recommendation. Research classifications may change as new data emerges.
Other Supplement tracked on Narrated.
Data last updated: March 27, 2026