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A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Market size 9Growth 24Conversion 97Competition 0Returns 100Price range 34Avg price 47Brand share 0Review moat 79Quality gap 25

Returns

Incredible0.1%

return rate — above 6% kills the launch gate

Conversion

Incredible15.4%

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

Review moat

Great412.25

avg incumbent reviews — the moat a new listing must climb

Avg price

Okay$11.65

avg listing price — sweet spot $15–$100

Price range

Okay$7.24–$18.91

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-1.2%

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

Market size

Bad$34K

$34K/yr · 19K searches

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Competition

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 falling

Sellers

10

Top-5 brand share

100%

Open market

0%

  • Hyland's58%
  • Boiron27%
  • Jackson's15%

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%$5K30%$10K45%$15K60%$20K1001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 4 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 44 weeks — -1.2% search growth over the last 90 days.
400300Spike '26Sep '25Oct '25Dec '25Feb '26Mar '26May '26

Reviews

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

What buyers love

Quality-Overall22%

“Very good product”

Acid Regulator/Stomach Ache Relief19%

“I like this for my antacid”

Efficiency11%

“Homeopathy works”

Cough Relief11%

“excellent choice for acid reflux”

Soothing Effect6%

“was really effective for helping keep things calm throughout the day”

Heart Health6%

“Great for none hardcore heartburn situations or for avoiding using TUMs on top of other heartburn medicine”

Minerals4%

“Cell salts are an amazing way to use the minerals your body needs to be healthy day to day or to set it back right when it is a little off kilter”

Ease Of Use4%

“are easy to take”

Sweetness4%

“they have always been sweet”

Solubility4%

“The tablets dissolve quickly”

What buyers complain about

Heart Health50%

“Gives me heart burn instantly”

Quality-Overall17%

“these have been ruined by a company that obviously doesn't care about quality”

Minerals17%

“Company bout out and changed this mineral, not for the better”