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65

alginate

Launch it

A $4.6M/yr market growing +11.2% this quarter with returns at 0.0% — clears our launch bar.

Market size 97Growth 39Conversion 87Competition 21Returns 100Price range 95Avg price 95Brand share 15Review moat 59Quality gap 83

Returns

Incredible0.0%

return rate — above 6% kills the launch gate

Market size

Incredible$4.6M

$4.6M/yr · 1.5M searches

Avg price

Incredible$30.88

avg listing price — sweet spot $15–$100

Price range

Incredible$17.94–$57.86

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

Conversion

Great10.0%

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

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Review moat

Good1,122.33

avg incumbent reviews — the moat a new listing must climb

Growth

Okay+11.2%

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

Competition

Bad74%

top-5 click share — a locked-up shelf

Brand share

Bad94%

top-5 brand share — brand-locked demand

Competition

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 rising

Sellers

22

Top-5 brand share

94%

Open market

4%

  • REFLUX GOURMET59%
  • RefluxRaft25%
  • Nutritist4%
  • ASK GRANDPA GOURMET COFFEES4%
  • HartSpan3%
  • Generic2%
  • Open — no brand owns it (2 brands, 4%)

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%10%$459K20%$919K30%$1.4M40%$1.8M1101001K10K 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.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +11.2% search growth over the last 90 days.
35K25KBlack Friday '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jun, Jul · busiest ÷ quietest = 11.5×

Reviews

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

What buyers love

Regulates Digestion13%

“our digestion feels a little more smoother overall”

Taste-Overall13%

“GREAT TASTE”

Acid Regulator/Stomach Ache Relief8%

“Helps with acid reflux”

Quality-Overall7%

“in general I found it a good supplement”

Efficiency6%

“Works ok”

Flavor5%

“Good flavor choices”

Sleep Quality4%

“it allows me a good night sleep”

Ease Of Use3%

“I try to keep it handy”

Heart Health3%

“Seems to help prevent heartburn”

Advertised Vs Actual Product3%

“Works as stated”

What buyers complain about

Regulates Digestion9%

“Makes my reflux worse”

Functionality-Overall9%

“Not effective”

Taste-Overall8%

“Taste Awful”

Value For Money7%

“Not worth it”

Acid Regulator/Stomach Ache Relief6%

“Hurt my stomach”

Ease Of Chewing/Swallowing4%

“Hard to swallow”

Flavor4%

“I dont like the vanilla/caramel flavor”

Heart Health3%

“gave heart burn”

Side Effects3%

“Made my nauseated”

Dosage2%

“Dosen't work”

Top return reasons

Functionality-Overall16%
Taste-Overall13%
Ease Of Chewing/Swallowing11%
Joint Pain8%
Hard Feel7%
Dosage4%
Ingredients-Overall4%
Size-Overall4%
Smell4%
Vitamin4%