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diatomaceous earth capsules

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Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 65Growth 2Conversion 71Competition 2Returns 100Price range 74Avg price 89Brand share 0Review moat 24Quality gap 67

Returns

Incredible0.1%

return rate — above 6% kills the launch gate

Avg price

Great$20.62

avg listing price — sweet spot $15–$100

Price range

Good$10.51–$27.88

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

Conversion

Good6.5%

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Market size

Good$609K

$609K/yr · 452K searches

Review moat

Bad6,221.17

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-45.0%

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

Competition

Bad97%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Competition

The top 5 products capture 97% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 falling

Sellers

24

Top-5 brand share

100%

Open market

0%

  • Zahler88%
  • DR. BO7%
  • Seachem5%

Product shelf

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

0%15%$91K30%$183K45%$274K60%$365K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 6 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 48 weeks — -45.0% search growth over the last 90 days.
13K8KSpike '25Holiday '25Spike '26Aug '25Oct '25Nov '25Jan '26Mar '26May '26

Reviews

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

What buyers love

Regulates Digestion8%

“Promotes digestive health”

Quality-Overall8%

“I liked the herbal blend that is in this”

Efficiency6%

“Works Great”

Ingredients-Overall5%

“is made with natural ingredients”

Taste-Overall5%

“doesn't have any weird taste associated”

Energy Level5%

“I have noticeably more energy”

Side Effects4%

“No side effects”

Advertised Vs Actual Product4%

“Works as advertised”

Ease Of Use4%

“Easy to use”

Value For Money4%

“Great product for the price”

What buyers complain about

Functionality-Overall15%

“It does not have good effectiveness”

Taste-Overall9%

“The taste is off putting”

Regulates Digestion6%

“Don't know if this result is what they mean by digestive issues”

Side Effects5%

“I took this together had a flu type feeling after about 3 days”

Allergies4%

“Bad allergic reaction”

Acid Regulator/Stomach Ache Relief4%

“Stomach upset”

Bitter4%

“Its bitter”

Ingredients-Overall4%

“it's not true ingredients”

Dosage3%

“You just can't start taking the droplets”

Pain Relief-Overall3%

“The pain is unbearable and constant”

Top return reasons

Advertised Vs Actual Product21%
Functionality-Overall18%
Leak-Proof12%
Ease Of Use6%
Value For Money6%
Size-Overall6%
Locking Mechanism4%
Defective Material/Parts4%
Pain Relief-Overall2%
Dosage2%