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stomach lining repair supplements

Skip it

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

Market size 19Growth 9Conversion 65Competition 3Returns 100Price range 95Avg price 95Brand share 0Review moat 35Quality gap 72

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$34.86

avg listing price — sweet spot $15–$100

Price range

Incredible$22.19–$42.45

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Conversion

Good5.8%

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

Review moat

Okay2,983.17

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$77K

$77K/yr · 38K searches

Growth

Bad-32.3%

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

Competition

Bad96%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, stomach lining repair supplements is a $77K/yr Amazon United States market (38K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 40/100.

Data updated Jul 25, 2026 · scored weekly · How we score niches

stomach lining repair supplements market data

Units sold / yr
2K–2K
avg 100–250/product
Revenue / yr
$52K–$70K
units × avg price
Conversion rate
5.8%
Avg BSR
#371
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
0.0%
Avg brand age
82 months
Avg seller age
150 days

Competition & brand share

The top 5 products capture 96% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 falling

Sellers

8

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

96%

Top 20: 100%

Open market

0%

  • Doctor Danielle67%
  • Intestinal Fortitude19%
  • purmeo7%
  • Natural Factors4%
  • VIFADIMED4%

Demand

Weekly Amazon search volume, last 12 weeks — -32.3% search growth over the last 90 days.
800600May '26May '26May '26Jun '26Jun '26Jul '26

Top stomach lining repair supplements search terms

  • gut assist8K/yr
  • stomach lining repair4K/yr
  • glr4K/yr
  • stomach lining repair supplements7K/yr
  • stomach lining healing3K/yr
  • gut assist leaky gut support2K/yr
  • glr-93K/yr
  • glr-9 gut lining repair psoriasis5K/yr
  • colitis help2K/yr
All search terms

Top stomach lining repair supplements 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%20%$15K40%$31K60%$46K80%$62K101001K10K 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.

What buyers say about stomach lining repair supplements

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

What buyers love

Regulates Digestion14%

“Great Quality Digestive Support”

Acid Regulator/Stomach Ache Relief11%

“Helps for minor stomach issues”

Taste-Overall9%

“Taste good”

Ease Of Use5%

“easy to get down”

Efficiency5%

“Works well”

Quality-Overall5%

“Overall, a solid product that I would recommend”

Ingredients-Overall3%

“has clean ingredients”

Value For Money2%

“feels like good value”

Cough Relief2%

“Great for Throat relief”

Vitamin2%

“I also love that it has vitamin d for the added benefits”

What buyers complain about

Value For Money13%

“High price”

Taste-Overall11%

“Chalky taste”

Functionality-Overall8%

“Didn't work”

Regulates Digestion5%

“Reflux issues”

Dosage4%

“not 30 doses per bottle like it says”

Acid Regulator/Stomach Ache Relief4%

“Made my stomach worse”

Heart Health3%

“Bad heartburn”

Allergies3%

“Allergic to it”

Cough Relief3%

“no relief from a constant cough”

Dilute/Watery2%

“to me it was clearly watered down”

Top return reasons

Taste-Overall42%
Strength9%
Oral Hygiene9%
Regulates Digestion9%
Functionality-Overall9%
Flavor6%
Dilute/Watery6%
Bitter5%
Quality-Overall5%

Common questions

Is stomach lining repair supplements profitable to sell on Amazon United States?
The niche generates $77K/yr across 6 tracked products. 90-day search growth is -32.3%. Flapen's verdict: Skip it (40/100).
How competitive is the stomach lining repair supplements niche?
5 brands and 8 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in stomach lining repair supplements?
Top complaints mined from reviews: Value For Money, Taste-Overall, Functionality-Overall. The return rate is 0.0%.
What does it cost to enter the stomach lining repair supplements niche?
Listings span $22.19–$42.45; the average listing price is $34.86 (sweet spot $15–$100). The average incumbent carries 2,983 reviews — the moat a new listing must climb.