---
title: "stomach flu — Niche Verdict: Skip it (33/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/health-household/stomach-flu"
last_updated: "2026-07-14T04:05:33.138Z"
locale: en
meta:
  description: "brand-locked demand (top 5 brands take 98% of clicks) — stomach flu doesn't clear our bar today."
  "og:description": "brand-locked demand (top 5 brands take 98% of clicks) — stomach flu doesn't clear our bar today."
  "og:title": "stomach flu — Niche Verdict: Skip it (33/100) | Amazon United States - Flapen"
---

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# **stomach flu**

**Skip it**

Brand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.

Market size 12Growth 13Conversion 96Competition 16Returns 99Price range 19Avg price 53Brand share 5Review moat 21Quality gap 24

**Returns**

**Incredible****0.2%**

return rate — above 6% kills the launch gate

**Conversion**

**Incredible****14.0%**

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

**Avg price**

**Good****$12.32**

avg listing price — sweet spot $15–$100

**Quality gap**

**Bad****4.6★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Bad****11,654**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Bad****$6.56–$16.92**

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

**Competition**

**Bad****80%**

top-5 click share — a locked-up shelf

**Growth**

**Bad****-23.5%**

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

**Market size**

**Bad****$47K**

$47K/yr · 28K searches

**Brand share**

**Bad****98%**

top-5 brand share — brand-locked demand

## **Competition**

The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**6 **▲rising

**Sellers**

**580**

**Top-5 brand share**

**98%**

**Open market**

**0%**

- Boiron80% - Kaopectate5% - MARYRUTH'S5% - tummy drops4% - Genexa4% - Lysol2%

## **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%$7K30%$14K45%$21K60%$28K101001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 11 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Boiron Diaralia Tablets for Diarrhea Relief Gas Bloating Intestinal Pain and Travlers Diarrhea - 60 Count](https://m.media-amazon.com/images/I/51BvY4JtnSL.jpg)**Boiron Diaralia Tablets for Diarrhea Relief Gas Bloating Intestinal Pain and Travlers Diarrhea - 60 Count**Boiron**$9.07**4.4★960 rev](https://www.amazon.com/dp/B07WQG7QSX) [2![Boiron Diaralia On The Go Travel Essential for Diarrhea Relief Gas Bloating Intestinal Pain and Travelers Diarrhea - 2 Count (160 Pellets)](https://m.media-amazon.com/images/I/51u67enaiFL.jpg)**Boiron Diaralia On The Go Travel Essential for Diarrhea Relief Gas Bloating Intestinal Pain and Travelers Diarrhea - 2 Count (160 Pellets)**Boiron**$9.30**4.4★273 rev](https://www.amazon.com/dp/B0B9DYJFRQ) [3![Boiron NauseaCalm Relief for Upset Stomach Nausea and Vomiting Due to Stomach Flu Overindulgence or Motion Sickness - Non-Drowsy - 60 Count](https://m.media-amazon.com/images/I/41YQSAzIA+L.jpg)**Boiron NauseaCalm Relief for Upset Stomach Nausea and Vomiting Due to Stomach Flu Overindulgence or Motion Sickness - Non-Drowsy - 60 Count**Boiron**$10.63**4.5★2,529 rev](https://www.amazon.com/dp/B09RC7X1TC) [4![Boiron Arsenicum Album 30C Homeopathic Medicine for Relief from Diarrhea Nausea Vomiting Cramps and Travelers Diarrhea - 3 Count (240 Pellets)](https://m.media-amazon.com/images/I/41LiOVFWLIL.jpg)**Boiron Arsenicum Album 30C Homeopathic Medicine for Relief from Diarrhea Nausea Vomiting Cramps and Travelers Diarrhea - 3 Count (240 Pellets)**Boiron**$14.94**4.8★838 rev](https://www.amazon.com/dp/B08M2J5DNC) [5![Kaopectate Multi-Symptom Anti-Diarrheal & Upset Stomach Reliever 42 Caplets Anti Diarrhea Caplets](https://m.media-amazon.com/images/I/51bsSUYNskL.jpg)**Kaopectate Multi-Symptom Anti-Diarrheal & Upset Stomach Reliever 42 Caplets Anti Diarrhea Caplets**Kaopectate**$6.56**4.7★4,883 rev](https://www.amazon.com/dp/B08YBB29SM)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Boiron DiarrheaCalm Tablets for Diarrhea Relief Gas Bloating Intestinal Pain and Travlers Diarrhea - 60 Count](https://m.media-amazon.com/images/I/41jHr8y2UmL.jpg)**Boiron DiarrheaCalm Tablets for Diarrhea Relief Gas Bloating Intestinal Pain and Travlers Diarrhea - 60 Count**Boiron**$12.98**15 rev8mo ago](https://www.amazon.com/dp/B0FXMWSZ3V) [![Boiron Diaralia On The Go Travel Essential for Diarrhea Relief Gas Bloating Intestinal Pain and Travelers Diarrhea - 2 Count (160 Pellets)](https://m.media-amazon.com/images/I/51u67enaiFL.jpg)**Boiron Diaralia On The Go Travel Essential for Diarrhea Relief Gas Bloating Intestinal Pain and Travelers Diarrhea - 2 Count (160 Pellets)**Boiron**$9.30**273 rev3y ago](https://www.amazon.com/dp/B0B9DYJFRQ) [![Boiron NauseaCalm Relief for Upset Stomach Nausea and Vomiting Due to Stomach Flu Overindulgence or Motion Sickness - Non-Drowsy - 60 Count](https://m.media-amazon.com/images/I/41YQSAzIA+L.jpg)**Boiron NauseaCalm Relief for Upset Stomach Nausea and Vomiting Due to Stomach Flu Overindulgence or Motion Sickness - Non-Drowsy - 60 Count**Boiron**$10.63**2,529 rev4y ago](https://www.amazon.com/dp/B09RC7X1TC) [![Kaopectate Multi-Symptom Anti-Diarrheal & Upset Stomach Reliever 42 Caplets Anti Diarrhea Caplets](https://m.media-amazon.com/images/I/51bsSUYNskL.jpg)**Kaopectate Multi-Symptom Anti-Diarrheal & Upset Stomach Reliever 42 Caplets Anti Diarrhea Caplets**Kaopectate**$6.56**4,883 rev5y ago](https://www.amazon.com/dp/B08YBB29SM) [![Tummypops Ginger Lollipops Variety Pack 21 ct for Queasy Stomachs](https://m.media-amazon.com/images/I/51mHk7cl5KL.jpg)**Tummypops Ginger Lollipops Variety Pack 21 ct for Queasy Stomachs**tummy drops**$15.07**1,838 rev5y ago](https://www.amazon.com/dp/B08LMY9195)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Boiron DiarrheaCalm Tablets for Diarrhea Relief Gas Bloating Intestinal Pain and Travlers Diarrhea - 60 Count](https://m.media-amazon.com/images/I/41jHr8y2UmL.jpg)**Boiron DiarrheaCalm Tablets for Diarrhea Relief Gas Bloating Intestinal Pain and Travlers Diarrhea - 60 Count**Boiron**$12.98**4.7★**▲ 298%**](https://www.amazon.com/dp/B0FXMWSZ3V) [![MARYRUTHS Activated Charcoal Capsules 950 mg Activated Charcoal | Substance Adsorption | Derived from Coconut Shells | Vegan Capsules from Pine Trees | Non-GMO | Gluten Free | 40 Count](https://m.media-amazon.com/images/I/41OgEtFDSgL.jpg)**MARYRUTHS Activated Charcoal Capsules 950 mg Activated Charcoal | Substance Adsorption | Derived from Coconut Shells | Vegan Capsules from Pine Trees | Non-GMO | Gluten Free | 40 Count**MARYRUTH'S**$14.64**4.8★**▲ 66%**](https://www.amazon.com/dp/B087SJ5H8Q) [![Genexa Kids Clean Tummy Relief | Heartburn Acid Indigestion & Sour Stomach Relief | Childrens Calcium Carbonate | Dye Free 0% Artificial Additives | Ages 2-11 Berry Flavor Chewable Tablets 30ct](https://m.media-amazon.com/images/I/41KQEsUpQ8L.jpg)**Genexa Kids Clean Tummy Relief | Heartburn Acid Indigestion & Sour Stomach Relief | Childrens Calcium Carbonate | Dye Free 0% Artificial Additives | Ages 2-11 Berry Flavor Chewable Tablets 30ct**Genexa**$13.64**4.8★**▲ 32%**](https://www.amazon.com/dp/B07XFQSH85) [![Boiron Diaralia Tablets for Diarrhea Relief Gas Bloating Intestinal Pain and Travlers Diarrhea - 60 Count](https://m.media-amazon.com/images/I/51BvY4JtnSL.jpg)**Boiron Diaralia Tablets for Diarrhea Relief Gas Bloating Intestinal Pain and Travlers Diarrhea - 60 Count**Boiron**$9.07**4.4★**▲ 26%**](https://www.amazon.com/dp/B07WQG7QSX) [![Kaopectate Multi-Symptom Anti-Diarrheal & Upset Stomach Reliever 42 Caplets Anti Diarrhea Caplets](https://m.media-amazon.com/images/I/51bsSUYNskL.jpg)**Kaopectate Multi-Symptom Anti-Diarrheal & Upset Stomach Reliever 42 Caplets Anti Diarrhea Caplets**Kaopectate**$6.56**4.7★**▲ 13%**](https://www.amazon.com/dp/B08YBB29SM)

**~~View all trending →~~**

## **Demand**

Weekly Amazon search volume, last 10 weeks — -23.5% search growth over the last 90 days.

600400May '26May '26May '26May '26May '26Jun '26Jun '26Jun '26Jun '26Jul '26

## **Reviews**

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

### **What buyers love **

**Smell**18%

*“Clean scent”*

**Quality-Overall**12%

*“No complaints”*

**Efficiency**7%

*“Does the job well”*

**Ease Of Cleaning**6%

*“It cleans thoroughly”*

**Acid Regulator/Stomach Ache Relief**6%

*“Sick tummy relief”*

**Value For Money**4%

*“Worth it”*

**Ease Of Use**3%

*“easy to store”*

**Freshness**3%

*“Good for extra freshness”*

**Washability**3%

*“Love to use this to wash clothes and bedding, especially after everyone has just recovered from being sick”*

**Cleansing**3%

*“It cleans thoroughly”*

### **What buyers complain about **

**Leak-Proof**25%

*“Was leaking”*

**Smell**12%

*“Why is the smell soooo strong”*

**Functionality-Overall**5%

*“Did not work for me”*

**Side Effects**4%

*“had the other uncomfortable symptoms that come with it”*

**Ease Of Use**3%

*“the TOP IS VERY VERY DIFFICULT TO GET OPEN”*

**Color**3%

*“though it does turn something a dark color”*

**Value For Money**3%

*“Its just very expensive”*

**Taste-Overall**2%

*“chalky tasting liquid or chewing up tablets”*

**Allergies**2%

*“It is not recommended for people with asthma or respiratory disorders or skin allergies”*

**Size-Overall**2%

*“They are tiny”*

### **Top return reasons **

**Leak-Proof**73%

**Smell**11%

**Value For Money**6%

**Advertised Vs Actual Product**2%

**Size-Overall**2%

**Moist/Dry**1%

**Functionality-Overall**1%

**Compatibility-Overall**1%

**Product Condition**1%

**Contamination**0%