---
title: "Iodine Tablets — £40K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/iodine-tablets"
last_updated: "2026-07-31T13:09:54.847Z"
locale: en
meta:
  description: "Niche score 34/100 · £40K/yr market · 47K searches/yr · £10.36 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 34/100 · £40K/yr market · 47K searches/yr · £10.36 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Iodine Tablets — £40K/yr Amazon UK Niche (2026) - Flapen"
---

# **iodine tablets**

**Skip it**

Soft demand (-62.8% this quarter) — this niche doesn't clear our bar today.

Market size 10Growth 0Conversion 80Competition 12Returns 100Price range 58Avg price 36Brand share 25Review moat 52Quality gap 32

**Returns**

**Incredible****0.1%**

return rate — above 5% kills the launch gate

**Conversion**

**Great****8.3%**

search→purchase rate — share of searches ending in a sale

**Price range**

**Good****£3.84–£30.42**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Review moat**

**Good****1,420.11**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Okay****£10.36**

avg listing price — sweet spot $15–$100

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Bad****90%**

top-5 brand share — brand-locked demand

**Competition**

**Bad****86%**

top-5 click share — a locked-up shelf

**Market size**

**Bad****£40K**

£40K/yr · 47K searches

**Growth**

**Bad****-62.8%**

90-day search growth — must beat 0% to launch

According to Flapen's Amazon United Kingdom niche tracking, iodine tablets is a £40K/yr Amazon United Kingdom market (47K searches/yr). The top 5 brands hold 90% of demand. Demand peaks in Jun–Aug–Sep–Nov. Verdict: Skip it — 34/100.

Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **iodine tablets market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**4K–5K**</dd><dd>avg 250–500/product</dd>

<dt>**Revenue / yr**</dt><dd>**£41K–£52K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**8.3%**</dd>

<dt>**Avg BSR**</dt><dd>**#26**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**56%**</dd>

<dt>**Out of stock**</dt><dd>**11.1%**</dd>

<dt>**Avg brand age**</dt><dd>**67 months**</dd>

<dt>**Avg seller age**</dt><dd>**172 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 86% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**8 **▼falling

**Sellers**

**17**

**Top-5 brand share**

**90%**

Top 20: 100%

**Top-5 click share**

**86%**

Top 20: 100%

**Open market**

**6%**

- WeightWorld43% - Carlyle15% - NEW LEAF PRODUCTS13% - Nature's Fusions12% - Horbäach7% - Right Choice Supplements4% - Open — no brand owns it (2 brands, 6%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -62.8% search growth over the last 90 days.

20K15KSpike '24Black Friday '24Spike '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jun, Aug, Sep, Nov · busiest ÷ quietest = 9.5×

[**Open Trend **](https://flapen.com/research/uk/health-personal-care/iodine-tablets/trend)

## **Top iodine tablets search terms**

- **iodine tablets**36K/yr-58.7%7.1% conv. - **iodine tablets for nuclear fallout**7K/yr-69.6%9.0% conv. - **iodine tablets for radiation**2K/yr-72.1%4.9% conv. - **radiation tablets**2K/yr-89.8%0.0% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/iodine-tablets/search-terms)

## **Top iodine tablets products on Amazon**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%15%£6K30%£12K45%£18K60%£24K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 9 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Iodine Tablets - 400mcg Potassium Iodide - 365 Vegan Tablets (1 Year Supply) - Non-GMO & Gluten-Free Iodine Supplement - Trace Mineral - Made in the UK](https://m.media-amazon.com/images/I/41h-J0QV6fL.jpg)**Iodine Tablets - 400mcg Potassium Iodide - 365 Vegan Tablets (1 Year Supply) - Non-GMO & Gluten-Free Iodine Supplement - Trace Mineral - Made in the UK**WeightWorld**£7.73**4.6★3,131 rev](https://www.amazon.co.uk/dp/B0924Q6VTF) [2![Iodine Tablets 500mcg | 365 Vegan Tablets - 1 Year Supply | High Strength Potassium Iodide Supplement | Trace Mineral | Carlyle](https://m.media-amazon.com/images/I/51TZDYblxBL.jpg)**Iodine Tablets 500mcg | 365 Vegan Tablets - 1 Year Supply | High Strength Potassium Iodide Supplement | Trace Mineral | Carlyle**Carlyle**£5.68**4.5★177 rev](https://www.amazon.co.uk/dp/B0D8WL7VQ4) [3![Iodine Tablets 500mcg 365 (1 Year Supply) Vegan High Strength Tablets Iodine Supplements Natural Source of Iodine from Potassium Iodide GMO Free GMP Made in UK by New Leaf](https://m.media-amazon.com/images/I/41IR1kZSHuL.jpg)**Iodine Tablets 500mcg 365 (1 Year Supply) Vegan High Strength Tablets Iodine Supplements Natural Source of Iodine from Potassium Iodide GMO Free GMP Made in UK by New Leaf**NEW LEAF PRODUCTS**£8.09**4.4★625 rev](https://www.amazon.co.uk/dp/B0B5H398FS) [4![Potassium Iodide Radiation Tablets 130 mg (2 Pack) - (120 Tablets) EXP 10/2032 - Ki Pills Potassium Iodine Tablets for Radiation - Potassium Iodine Pills YODO Naciente Anti Nuclear Fallout Pills](https://m.media-amazon.com/images/I/51PubiIP97L.jpg)**Potassium Iodide Radiation Tablets 130 mg (2 Pack) - (120 Tablets) EXP 10/2032 - Ki Pills Potassium Iodine Tablets for Radiation - Potassium Iodine Pills YODO Naciente Anti Nuclear Fallout Pills**Nature's Fusions**£30.42**4.7★3,049 rev](https://www.amazon.co.uk/dp/B09WKSTY82) [5![Iodine Tablets 500mcg Potassium Iodide | 400 Vegan Tablets (1+ Year Supply - 1 Per Day) | High Strength Formula | 100% Recyclable & Resealable Pouch | by Horbaach](https://m.media-amazon.com/images/I/51lHGbc4WwL.jpg)**Iodine Tablets 500mcg Potassium Iodide | 400 Vegan Tablets (1+ Year Supply - 1 Per Day) | High Strength Formula | 100% Recyclable & Resealable Pouch | by Horbaach**Horbäach**£6.37**4.5★440 rev](https://www.amazon.co.uk/dp/B0BRKZK3PM)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Iodine Supplement Tablets 400mcg High Strength Potassium Iodide - Non-GMO & Gluten-Free Iodine Supplement - Trace Mineral - UK Made (60)](https://m.media-amazon.com/images/I/31pVnDrspUL.jpg)**Iodine Supplement Tablets 400mcg High Strength Potassium Iodide - Non-GMO & Gluten-Free Iodine Supplement - Trace Mineral - UK Made (60)**ARC) HEALTH+NUTRITION WWW.ARCHEALTHNUTRITION.CO.UK**£3.84**25 rev1y ago](https://www.amazon.co.uk/dp/B0F72JQHYS) [![Iodine Tablets 500mcg | 365 Vegan Tablets - 1 Year Supply | High Strength Potassium Iodide Supplement | Trace Mineral | Carlyle](https://m.media-amazon.com/images/I/51TZDYblxBL.jpg)**Iodine Tablets 500mcg | 365 Vegan Tablets - 1 Year Supply | High Strength Potassium Iodide Supplement | Trace Mineral | Carlyle**Carlyle**£5.68**177 rev2y ago](https://www.amazon.co.uk/dp/B0D8WL7VQ4) [![Potassium Iodide Radiation Tablets 130 mg (2 Pack) - (120 Tablets) EXP 10/2032 - Ki Pills Potassium Iodine Tablets for Radiation - Potassium Iodine Pills YODO Naciente Anti Nuclear Fallout Pills](https://m.media-amazon.com/images/I/51PubiIP97L.jpg)**Potassium Iodide Radiation Tablets 130 mg (2 Pack) - (120 Tablets) EXP 10/2032 - Ki Pills Potassium Iodine Tablets for Radiation - Potassium Iodine Pills YODO Naciente Anti Nuclear Fallout Pills**Nature's Fusions**£30.42**3,049 rev3y ago](https://www.amazon.co.uk/dp/B09WKSTY82) [![Potassium Iodide Radiation Tablets 130 mg - (60 Tablets) EXP 10/2032 - Ki Pills Potassium Iodine Tablets for Radiation - Potassium Iodine Pills YODO Naciente Anti Nuclear Fallout Pills](https://m.media-amazon.com/images/I/41H9Q7jYdAL.jpg)**Potassium Iodide Radiation Tablets 130 mg - (60 Tablets) EXP 10/2032 - Ki Pills Potassium Iodine Tablets for Radiation - Potassium Iodine Pills YODO Naciente Anti Nuclear Fallout Pills**Nature's Fusions**£18.98**3,049 rev3y ago](https://www.amazon.co.uk/dp/B09X6PTSM2) [![Iodine Tablets 500mcg Potassium Iodide | 400 Vegan Tablets (1+ Year Supply - 1 Per Day) | High Strength Formula | 100% Recyclable & Resealable Pouch | by Horbaach](https://m.media-amazon.com/images/I/51lHGbc4WwL.jpg)**Iodine Tablets 500mcg Potassium Iodide | 400 Vegan Tablets (1+ Year Supply - 1 Per Day) | High Strength Formula | 100% Recyclable & Resealable Pouch | by Horbaach**Horbäach**£6.37**440 rev3y ago](https://www.amazon.co.uk/dp/B0BRKZK3PM)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Vitamatic Potassium Iodide 65 mg per Serving - 60 Tablets - KI Pills](https://m.media-amazon.com/images/I/41bqnHq-67L.jpg)**Vitamatic Potassium Iodide 65 mg per Serving - 60 Tablets - KI Pills**Vitamatic**£8.01**4.5★**▲ 275%**](https://www.amazon.co.uk/dp/B09TV9BWY8) [![Iodine Supplement Tablets 400mcg High Strength Potassium Iodide - Non-GMO & Gluten-Free Iodine Supplement - Trace Mineral - UK Made (60)](https://m.media-amazon.com/images/I/31pVnDrspUL.jpg)**Iodine Supplement Tablets 400mcg High Strength Potassium Iodide - Non-GMO & Gluten-Free Iodine Supplement - Trace Mineral - UK Made (60)**ARC) HEALTH+NUTRITION WWW.ARCHEALTHNUTRITION.CO.UK**£3.84**4.5★**▲ 173%**](https://www.amazon.co.uk/dp/B0F72JQHYS) [![Iodine Tablets 500mcg 365 (1 Year Supply) Vegan High Strength Tablets Iodine Supplements Natural Source of Iodine from Potassium Iodide GMO Free GMP Made in UK by New Leaf](https://m.media-amazon.com/images/I/41IR1kZSHuL.jpg)**Iodine Tablets 500mcg 365 (1 Year Supply) Vegan High Strength Tablets Iodine Supplements Natural Source of Iodine from Potassium Iodide GMO Free GMP Made in UK by New Leaf**NEW LEAF PRODUCTS**£8.09**4.4★**▲ 98%**](https://www.amazon.co.uk/dp/B0B5H398FS) [![Iodine Tablets 500mcg Potassium Iodide | 400 Vegan Tablets (1+ Year Supply - 1 Per Day) | High Strength Formula | 100% Recyclable & Resealable Pouch | by Horbaach](https://m.media-amazon.com/images/I/51lHGbc4WwL.jpg)**Iodine Tablets 500mcg Potassium Iodide | 400 Vegan Tablets (1+ Year Supply - 1 Per Day) | High Strength Formula | 100% Recyclable & Resealable Pouch | by Horbaach**Horbäach**£6.37**4.5★**▲ 46%**](https://www.amazon.co.uk/dp/B0BRKZK3PM) [![Potassium Iodide Radiation Tablets 130 mg (2 Pack) - (120 Tablets) EXP 10/2032 - Ki Pills Potassium Iodine Tablets for Radiation - Potassium Iodine Pills YODO Naciente Anti Nuclear Fallout Pills](https://m.media-amazon.com/images/I/51PubiIP97L.jpg)**Potassium Iodide Radiation Tablets 130 mg (2 Pack) - (120 Tablets) EXP 10/2032 - Ki Pills Potassium Iodine Tablets for Radiation - Potassium Iodine Pills YODO Naciente Anti Nuclear Fallout Pills**Nature's Fusions**£30.42**4.7★**▲ 24%**](https://www.amazon.co.uk/dp/B09WKSTY82)

**~~View all trending →~~**

## **What buyers say about iodine tablets**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Value For Money**38%

*“Good value”*

**Quality-Overall**12%

*“Quality product”*

**Advertised Vs Actual Product**7%

*“arrived as expected”*

**Efficiency**7%

*“Working well”*

**Hormonal Balance**5%

*“so far they seem to be supporting my under active thyroid”*

**Nutritional Content**5%

*“Good Supplement”*

**Size-Overall**5%

*“Excellent due to small size”*

**Immunity Booster**5%

*“Immunity & Radiation protection”*

**Ease Of Use**3%

*“The tablets were easy to take”*

**Side Effects**3%

*“no side effects or reactions”*

### **What buyers complain about **

**Solubility**50%

*“It didn't even dissolve”*

**Taste-Overall**8%

*“I don't get the sea weed taste with these”*

## **Common questions**

<dl>

<dt>**Is iodine tablets profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £40K/yr across 9 tracked products. 90-day search growth is -62.8%. Flapen's verdict: Skip it (34/100).</dd>

<dt>**How competitive is the iodine tablets niche?**</dt><dd>8 brands and 17 sellers compete. The top 5 products take 86% of clicks and top 5 brands hold 90% of demand.</dd>

<dt>**What do buyers complain about in iodine tablets?**</dt><dd>Top complaints mined from reviews: Solubility, Taste-Overall. The return rate is 0.1%.</dd>

<dt>**When does demand for iodine tablets peak?**</dt><dd>Demand peaks in Jun–Aug–Sep–Nov; the busiest month runs 9.5× the quietest.</dd>

<dt>**What does it cost to enter the iodine tablets niche?**</dt><dd>Listings span £3.84–£30.42; the average listing price is £10.36 (sweet spot $15–$100). The average incumbent carries 1,420 reviews — the moat a new listing must climb.</dd>

</dl>

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