Skip to content
36

empty capsules

Skip it

Prices mostly outside the sweet spot ($3.03–$13.18) — this niche doesn't clear our bar today.

Market size 19Growth 21Conversion 86Competition 19Returns 100Price range 0Avg price 21Brand share 22Review moat 47Quality gap 28

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Great9.7%

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

Review moat

Okay1,831.58

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Brand share

Bad91%

top-5 brand share — brand-locked demand

Growth

Bad-9.0%

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

Avg price

Bad£7.63

avg listing price — sweet spot $15–$100

Market size

Bad£74K

£74K/yr · 100K searches

Competition

Bad78%

top-5 click share — a locked-up shelf

Price range

Bad£3.03–£13.18

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

According to Flapen's Amazon United Kingdom niche tracking, empty capsules is a £74K/yr Amazon United Kingdom market (100K searches/yr). The top 5 brands hold 91% of demand. Verdict: Skip it — 36/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

empty capsules market data

Units sold / yr
8K–10K
avg 500–750/product
Revenue / yr
£61K–£76K
units × avg price
Conversion rate
9.7%
Avg BSR
#309
Page quality
0%
Prime
100%
Sponsored
75%
Out of stock
1.8%
Avg brand age
63 months
Avg seller age
159 days

Competition & brand share

The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 flat

Sellers

9

Top-5 brand share

91%

Top 20: 100%

Top-5 click share

78%

Top 20: 100%

Open market

5%

  • wananfu51%
  • CAPSI21%
  • Capsuline10%
  • ATLEMISME5%
  • MéipaLien5%
  • ATNreuro3%
  • Open — no brand owns it (2 brands, 5%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -9.0% search growth over the last 90 days.
3K2KSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Top empty capsules search terms

  • empty capsules38K/yr
  • capsules empty18K/yr
  • capsules16K/yr
  • empty pill capsules6K/yr
  • pill capsules empty5K/yr
  • capsule5K/yr
  • 00 capsules4K/yr
  • vegan capsules empty3K/yr
  • pill capsules3K/yr
  • empty capsules size 003K/yr
All search terms

Top empty capsules 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%£11K30%£22K45%£33K60%£44K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 12 tracked products in this niche — three views at once, no toggling.

What buyers say about empty capsules

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

What buyers love

Ease Of Use20%

“Easy to use”

Quality-Overall19%

“Good quality, only had two from 1000 not seal”

Size-Overall14%

“perfect size”

Value For Money10%

“Good value for money”

Advertised Vs Actual Product7%

“Does the job”

Dosage7%

“Rather useful product for halving the doses of my meds”

Durability6%

“Durability”

Ease Of Chewing/Swallowing4%

“Easy to swallow”

Vitamin3%

“I had the amazing idea of getting these to put my pills in as I prefer capsules”

Strength2%

“they are fairly sturdy”

What buyers complain about

Size-Overall39%

“Too big”

Allergies17%

“I had an allergic reaction”

Ease Of Chewing/Swallowing8%

“Hard to swallow”

Taste-Overall4%

“Due to the fowl taste left over”

Top return reasons

Size-Overall100%

Common questions

Is empty capsules profitable to sell on Amazon United Kingdom?
The niche generates £74K/yr across 12 tracked products. 90-day search growth is -9.0%. Flapen's verdict: Skip it (36/100).
How competitive is the empty capsules niche?
8 brands and 9 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 91% of demand.
What do buyers complain about in empty capsules?
Top complaints mined from reviews: Size-Overall, Allergies, Ease Of Chewing/Swallowing. The return rate is 0.1%.
When does demand for empty capsules peak?
Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the empty capsules niche?
Listings span £3.03–£13.18; the average listing price is £7.63 (sweet spot $15–$100). The average incumbent carries 1,832 reviews — the moat a new listing must climb.