Cheapest iodine
Standalone iodine, including potassium iodide and kelp (seaweed).
34 prices scanned3 storesupdated 3 minutes ago
![Sea Kelp Capsules 4200mg – 120 capsules / [Multibuy 1]](https://cdn.shopify.com/s/files/1/1037/8723/3629/files/Sea-Kelp-Capsules-4200mg-Front-Label-1.jpg?v=1790673884&width=128)
Simply Supplements
Prices include VAT and exclude shipping. Price per capsule makes products of different sizes truly comparable.
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Frequently asked questions
What is the cheapest iodine right now?
The lowest price is now £0.08 per capsule, for Sea Kelp Capsules 4200mg – 120 capsules / [Multibuy 1] at Simply Supplements. Our scanner checks prices daily, so the ranking on this page is up to date.
Why do we compare iodine per capsule?
Bottles differ in capsule count and dosage, so only the price per capsule shows what you really pay. We convert every price to the same unit, so you're comparing like with like.
How many stores are scanned for iodine?
This comparison currently includes 4 products from 3 stores. Our scanner keeps re-reading the whole market, so new products and price changes appear automatically.