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52

curcumin

Worth a look

Shows low returns (0.0%), but a concentrated shelf (top 5 take 75% of clicks) keeps it on the watch list.

Market size 53Growth 25Conversion 93Competition 21Returns 100Price range 75Avg price 75Brand share 46Review moat 34Quality gap 43

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Great11.6%

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

Avg price

Great£15.16

avg listing price — sweet spot $15–$100

Price range

Great£5.11–£44.38

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

Market size

Good£352K

£352K/yr · 200K searches

Brand share

Okay78%

top-5 brand share — brands hold most of the demand

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Okay3,107.65

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-0.7%

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

Competition

Bad75%

top-5 click share — a locked-up shelf

According to Flapen's Amazon United Kingdom niche tracking, curcumin is a £352K/yr Amazon United Kingdom market (200K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in Sep. Verdict: Worth a look — 52/100.

Data updated Jul 25, 2026 · scored weekly · How we score niches

curcumin market data

Units sold / yr
20K–25K
avg 1,250–1,500/product
Revenue / yr
£303K–£379K
units × avg price
Conversion rate
11.6%
Avg BSR
#37
Page quality
0%
Prime
94%
Sponsored
100%
Out of stock
6.8%
Avg brand age
57 months
Avg seller age
169 days

Competition & brand share

The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.

Brands

15 falling

Sellers

52

Top-5 brand share

78%

Top 20: 100%

Top-5 click share

75%

Top 20: 100%

Open market

19%

  • Nutrition Geeks25%
  • WeightWorld25%
  • SS Sport Supplies16%
  • LOVE LIFE SUPPLEMENTS7%
  • Solgar5%
  • NEW LEAF PRODUCTS4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -0.7% search growth over the last 90 days.
25K15KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Sep · busiest ÷ quietest = 4.6×

Top curcumin search terms

  • curcumin95K/yr
  • turmeric curcumin25K/yr
  • curcumin capsules high strength with black pepper30K/yr
  • curcumin with black pepper6K/yr
  • curcumin 958K/yr
  • 95% curcumin3K/yr
  • curcumin capsules11K/yr
  • circumin4K/yr
  • turmeric and curcumin capsules3K/yr
  • circumin capsules high strength3K/yr
All search terms

Top curcumin 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%10%£35K20%£70K30%£106K40%£141K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 17 tracked products in this niche — three views at once, no toggling.

What buyers say about curcumin

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

What buyers love

Quality-Overall17%

“Good quality curcumin”

Value For Money17%

“Happy with price”

Joint Pain13%

“Has really helped massively to relieve knee pain”

Ease Of Chewing/Swallowing11%

“easily swallowed capsules”

Advertised Vs Actual Product6%

“As advertised”

Ease Of Use6%

“Easy to use”

Inflammation3%

“Since curcumin is the actual anti-inflammatory here”

Efficiency2%

“Seems effective”

Dosage2%

“Good potent dose”

Taste-Overall2%

“with no unpleasant aftertaste”

What buyers complain about

Size-Overall11%

“The tablets are small”

Joint Pain7%

“Brought to relieve joint pain only taking a week or so”

Pain Relief-Overall6%

“the pain was quite intense”

Side Effects6%

“then felt sick”

Quality-Overall6%

“Not as good as the real thing”

Functionality-Overall5%

“Did not find it effective”

Ingredients-Overall5%

“Insufficient Curcumin/Tumeric”

Advertised Vs Actual Product5%

“I was fooled by the description”

Value For Money5%

“Waste of money”

Dosage4%

“taking double the dose I've not had any benefit whatsoever”

Top return reasons

Dosage100%

Common questions

Is curcumin profitable to sell on Amazon United Kingdom?
The niche generates £352K/yr across 17 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -0.7%. Flapen's verdict: Worth a look (52/100).
How competitive is the curcumin niche?
15 brands and 52 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 78% of demand.
What do buyers complain about in curcumin?
Top complaints mined from reviews: Size-Overall, Joint Pain, Pain Relief-Overall. The return rate is 0.0%.
When does demand for curcumin peak?
Demand peaks in Sep; the busiest month runs 4.6× the quietest.
What does it cost to enter the curcumin niche?
Listings span £5.11–£44.38; the average listing price is £15.16 (sweet spot $15–$100). The average incumbent carries 3,108 reviews — the moat a new listing must climb.