As an essential nutrient, iodine is needed for thyroid function, and a deficiency is linked to higher risk of thyroid and stomach cancers. Some evidence shows that treatment with molecular iodine before breast cancer surgery may improve tumor response and reduce some side effects.
Affordability and access
Prescription required?
- No, but we recommend you consult your oncology team before using iodine
Other names and brands
You may find iodine in these forms:
- Molecular iodine
- Potassium iodide
- Sodium iodide
These various forms are not necessarily interchangeable regarding their medical effects. Pay careful attention to the form being used in studies when selecting a supplement.
Where to access
- Drug stores
- Supplement stores
- Online supplement distributors
Affordability
- Low to moderate cost (below $2000 US/year)
Helpful link
Kelp is an excellent source of iodine.