Iodine Drops, Unflavoured
£15.65 for 450 servings at Healf. That works out at 2p per 150 µg iodine, which ranks it 4th of the 8 potassium iodide products we price across 3 UK retailers.
At one 150 µg dose a day, this pack lasts 2.1 years. A month is 30 days, so twelve of them is not quite a year.
How we worked it out
- In the pack: 450 × 250 µg = 112.5 mg
- £15.65 ÷ 112.5 mg × 150 µg = 2.09p per 150 µg iodine
- A week 2.09p × 7 = 15p · a month × 30 = 63p · a year × 365 = £7.62
- Amount per serving: stated on the label.
The standard dose is a comparison unit, not a recommendation. Always confirm the price on the retailer's site. How we compare everything.
Cheaper potassium iodide
All 8, ranked →
Switching to the Healf pack saves 61p a month at the same 150 µg dose.
Ranked purely by price per 150 µg iodine. 89 combination products also contain iodine.
On the label
- Iodine · Potassium iodide
- 250 µg per serving (stated on the label)
- Pack
- 450 servings · 0.07 ml a serving
- Cost per serving
- 3p (450 servings in the pack)
More label details
- Sold by
- Healf
- What the listing says
- “Servings Per Container: 450” · “2 Drops (0.07mL)” · “Iodine (as Potassium Iodide) ; 250 mcg”
Ingredients
Iodine (as Potassium Iodide), Glycerin, Purified Water
From the Healf listing. Check the pack itself if you have an allergy: labels mark allergens in bold.
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One 150 µg dose is our comparison unit, not a recommendation.
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Filled in from the label’s serving: 0.07 ml.
What you paid
Optional. At Healf today: £15.65.
“Order by” allows 3 working days’ delivery from Healf and your spare days.
Price history
1 price change since 1 October 2026. Checked on 20 days, most recently 20 October 2026.
- Lowest recorded
- £15.481 Oct
- Highest recorded
- £15.6512 Oct
- First recorded
- £15.481 Oct
- Checked on
- 20 dayssince 1 Oct
- Up at Healf: £15.48 → £15.65 (+1.1%)
- First checked at Healf: £15.48
Questions about this product
How much does MaryRuth's Iodine Drops cost per 150 µg iodine?
2p per 150 µg iodine, from £15.65 for 450 servings at Healf, checked on 20 October 2026.
Is it the cheapest potassium iodide in the UK?
No, it is 4th of 8. Lugol's Iodine at Healf works out at under 1p per 150 µg iodine.
How long does one pack last?
2.1 years at one 150 µg dose. The pack holds 112.5 mg in total.
About MaryRuth's
All 56 MaryRuth's products, priced per dose
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