Natural Nutra Kelp Iodine with Potassium Iodide 225 mcg, 250 Tablets

Our verdict

Natural Nutra Kelp Iodine with Potassium Iodide 225 mcg, 250 Tablets works out to $0.09 per serving of iodine, at 225mcg per serving in tablet form. That puts it around the median of the 21 iodine products we can price per dose, where the typical serving costs $0.05, a Value Index of 0.6 where the median product is 1.0. One container lasts 250 days at the label dose of 1 serving a day, about $2.69 a month. We could not verify a third-party certification for Natural Nutra in a public registry. Worked out from the current retail price as of 2026-11-13; confirm the live price on Amazon.com before buying.