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chanca piedra

Skip it

A small market ($47K/yr) — this niche doesn't clear our bar today.

Market size 12Growth 15Conversion 85Competition 31Returns 99Price range 48Avg price 69Brand share 64Review moat 84Quality gap 60

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Conversion

Great9.5%

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

Review moat

Great317.53

avg incumbent reviews — the moat a new listing must climb

Avg price

Good£14.31

avg listing price — sweet spot $15–$100

Brand share

Good66%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Price range

Okay£7.68–£21.74

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

Competition

Okay66%

top-5 click share — leaders hold, buyers still browse

Growth

Bad-20.5%

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

Market size

Bad£47K

£47K/yr · 35K searches

According to Flapen's Amazon United Kingdom niche tracking, chanca piedra is a £47K/yr Amazon United Kingdom market (35K searches/yr). The top 5 brands hold 66% of demand. Verdict: Skip it — 49/100.

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

chanca piedra market data

Units sold / yr
3K–3K
avg 100–250/product
Revenue / yr
£36K–£43K
units × avg price
Conversion rate
9.5%
Avg BSR
#591
Page quality
0%
Prime
93%
Sponsored
67%
Out of stock
4.2%
Avg brand age
56 months
Avg seller age
188 days

Competition & brand share

The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.

Brands

15 rising

Sellers

38

Top-5 brand share

66%

Top 20: 100%

Top-5 click share

66%

Top 20: 100%

Open market

25%

  • Vinco Supplements18%
  • NEO-NUTRITION18%
  • Peruvian Naturals12%
  • ALPHA0110%
  • Time Health8%
  • Amazon Therapeutic Laboratories8%

Demand

Weekly Amazon search volume, last 29 weeks — -20.5% search growth over the last 90 days.
800600Jan '26Feb '26Mar '26Mar '26Apr '26May '26Jun '26

Top chanca piedra search terms

  • chanca piedra15K/yr
  • chanca piedra stone breaker6K/yr
  • kidney stone dissolver7K/yr
  • stone breaker4K/yr
  • stone breaker for kidney stones3K/yr
All search terms

Top chanca piedra 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%5%£2K10%£5K15%£7K20%£9K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

What buyers say about chanca piedra

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

What buyers love

Quality-Overall17%

“Excellent quality, very pleased”

Taste-Overall9%

“Taste was fine as was the brewing in a mug”

Joint Pain9%

“Excellent product, helped my partner with kidney stones”

Cough Relief8%

“Seems to help my Gallbladder a lot”

Ingredients-Overall5%

“The formula feels clean and straightforward, with no unnecessary additives, and being alcohol free is a nice bonus”

Vegan/Organic5%

“This is suitable for vegans”

Ease Of Chewing/Swallowing5%

“though I've not had any issues with swallowing them”

Side Effects5%

“No side effects for me”

Ease Of Use5%

“Easy to take”

Value For Money3%

“so I think that works out at very good value for money”

What buyers complain about

Value For Money8%

“£18 for teabags is an absolute joke”

Side Effects8%

“Nasty side effect - Got me really bad polyuria- pressure on bladder - wonder if anyone els had same symptoms”

Blood Sugar Level8%

“Unfortunately after consulting with my GP discovered these supplements cannot be used as I am diabetic”

Pain Relief-Overall8%

“discomfort for hours”

Taste-Overall8%

“I do not like the taste as it has very strong earthy taste”

Advertised Vs Actual Product8%

“this product has a warning that was NOT DISCLOSED in the listing”

Heart Health3%

“I must say the medication broke down my kidney stone within a week of using this”

Size-Overall3%

“It seems small”

Bitter2%

“However, the herb is extremely bitter in taste, so a capsule is a nicer way to take the herb”

Acid Regulator/Stomach Ache Relief1%

“I do have a sensitive stomach”

Common questions

Is chanca piedra profitable to sell on Amazon United Kingdom?
The niche generates £47K/yr across 15 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -20.5%. Flapen's verdict: Skip it (49/100).
How competitive is the chanca piedra niche?
15 brands and 38 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 66% of demand.
What do buyers complain about in chanca piedra?
Top complaints mined from reviews: Value For Money, Side Effects, Blood Sugar Level. The return rate is 0.2%.
What does it cost to enter the chanca piedra niche?
Listings span £7.68–£21.74; the average listing price is £14.31 (sweet spot $15–$100). The average incumbent carries 318 reviews — the moat a new listing must climb.