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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

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Great8.3%

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

Good1,420.11

avg incumbent reviews — the moat a new listing must climb

Avg price

Okay£10.36

avg listing price — sweet spot $15–$100

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Brand share

Bad90%

top-5 brand share — brand-locked demand

Competition

Bad86%

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

iodine tablets market data

Units sold / yr
4K–5K
avg 250–500/product
Revenue / yr
£41K–£52K
units × avg price
Conversion rate
8.3%
Avg BSR
#26
Page quality
0%
Prime
100%
Sponsored
56%
Out of stock
11.1%
Avg brand age
67 months
Avg seller age
172 days

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 '26SepDecMarJunAugNovMarMay

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

Top iodine tablets search terms

  • iodine tablets36K/yr
  • iodine tablets for nuclear fallout7K/yr
  • iodine tablets for radiation2K/yr
  • radiation tablets2K/yr
All 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 moat Market 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.

What buyers say about iodine tablets

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

What buyers love

Value For Money38%

“Good value”

Quality-Overall12%

“Quality product”

Advertised Vs Actual Product7%

“arrived as expected”

Efficiency7%

“Working well”

Hormonal Balance5%

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

Nutritional Content5%

“Good Supplement”

Size-Overall5%

“Excellent due to small size”

Immunity Booster5%

“Immunity & Radiation protection”

Ease Of Use3%

“The tablets were easy to take”

Side Effects3%

“no side effects or reactions”

What buyers complain about

Solubility50%

“It didn't even dissolve”

Taste-Overall8%

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

Common questions

Is iodine tablets profitable to sell on Amazon United Kingdom?
The niche generates £40K/yr across 9 tracked products. 90-day search growth is -62.8%. Flapen's verdict: Skip it (34/100).
How competitive is the iodine tablets niche?
8 brands and 17 sellers compete. The top 5 products take 86% of clicks and top 5 brands hold 90% of demand.
What do buyers complain about in iodine tablets?
Top complaints mined from reviews: Solubility, Taste-Overall. The return rate is 0.1%.
When does demand for iodine tablets peak?
Demand peaks in Jun–Aug–Sep–Nov; the busiest month runs 9.5× the quietest.
What does it cost to enter the iodine tablets niche?
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.