---
title: "ondansetron — Niche Verdict: Skip it (43/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/health-household/ondansetron"
last_updated: "2026-07-14T06:17:27.319Z"
locale: en
meta:
  description: "brand-locked demand (top 5 brands take 100% of clicks) — ondansetron doesn't clear our bar today."
  "og:description": "brand-locked demand (top 5 brands take 100% of clicks) — ondansetron doesn't clear our bar today."
  "og:title": "ondansetron — Niche Verdict: Skip it (43/100) | Amazon United States - Flapen"
---

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# **ondansetron**

**Skip it**

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

Market size 61Growth 25Conversion 98Competition 15Returns 100Price range 19Avg price 46Brand share 0Review moat 45Quality gap 24

**Returns**

**Incredible****0.0%**

return rate — above 6% kills the launch gate

**Conversion**

**Incredible****16.8%**

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

**Market size**

**Good****$523K**

$523K/yr · 271K searches

**Avg price**

**Okay****$11.51**

avg listing price — sweet spot $15–$100

**Review moat**

**Okay****1,970.67**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-0.9%**

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

**Quality gap**

**Bad****4.6★**

avg incumbent rating — lower means beatable quality

**Price range**

**Bad****$6.66–$17.02**

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

**Competition**

**Bad****82%**

top-5 click share — a locked-up shelf

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

## **Competition**

The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**2 **▼falling

**Sellers**

**38**

**Top-5 brand share**

**100%**

**Open market**

**0%**

- Emetrol92% - Boiron9%

## **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%$52K20%$105K30%$157K40%$209K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 9 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Emetrol Non-Drowsy Nausea Relief - Chewable Medicine for Upset Stomach - Pharmacist Recommended Nausea Relief - Mixed Berry Flavor 60 Tablets](https://m.media-amazon.com/images/I/41gXCf5I2uL.jpg)**Emetrol Non-Drowsy Nausea Relief - Chewable Medicine for Upset Stomach - Pharmacist Recommended Nausea Relief - Mixed Berry Flavor 60 Tablets**Emetrol**$9.85**4.5★922 rev](https://www.amazon.com/dp/B0C2JM5PWS) [2![Emetrol Non-Drowsy Liquid Nausea Relief - Upset Stomach Medicine - Pharmacist Recommended Nausea Relief - Cherry Flavor - 4fl oz 2 Pack](https://m.media-amazon.com/images/I/41DyjOmy+YL.jpg)**Emetrol Non-Drowsy Liquid Nausea Relief - Upset Stomach Medicine - Pharmacist Recommended Nausea Relief - Cherry Flavor - 4fl oz 2 Pack**Emetrol**$12.65**4.7★4,547 rev](https://www.amazon.com/dp/B07P5VTCMK) [3![Emetrol Non-Drowsy Nausea Relief - Liquid Medicine for Upset Stomach Relief - Pharmacist Recommended Nausea Medicine - Cherry Flavor - 12 fl oz](https://m.media-amazon.com/images/I/4191oXu-7pL.jpg)**Emetrol Non-Drowsy Nausea Relief - Liquid Medicine for Upset Stomach Relief - Pharmacist Recommended Nausea Medicine - Cherry Flavor - 12 fl oz**Emetrol**$16.84**4.7★4,547 rev](https://www.amazon.com/dp/B0F3RQYMW6) [4![Emetrol Non-Drowsy Nausea Relief - Liquid Medicine for Upset Stomach Relief - Pharmacist Recommended Nausea Medicine - Cherry Flavor - 4fl oz](https://m.media-amazon.com/images/I/31zaYApGlKL.jpg)**Emetrol Non-Drowsy Nausea Relief - Liquid Medicine for Upset Stomach Relief - Pharmacist Recommended Nausea Medicine - Cherry Flavor - 4fl oz**Emetrol**$6.66**4.7★4,547 rev](https://www.amazon.com/dp/B00112DW1K) [5![Emetrol Non-Drowsy Nausea Relief - Chewable Medicine for Upset Stomach - Pharmacist Recommended Nausea Relief - Lemon Flavor 84 Tablets](https://m.media-amazon.com/images/I/41vs2XvDtwL.jpg)**Emetrol Non-Drowsy Nausea Relief - Chewable Medicine for Upset Stomach - Pharmacist Recommended Nausea Relief - Lemon Flavor 84 Tablets**Emetrol**$17.02**4.8★278 rev](https://www.amazon.com/dp/B0BY3M6CSG)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Emetrol Daily Digestive Support Capsules Probiotic Prebiotic & Ginger Supplement for Gut Health Bloating Gas & Nausea Support #1 Pharmacist Recommended Brand 30 Capsules](https://m.media-amazon.com/images/I/41LuauP7FiL.jpg)**Emetrol Daily Digestive Support Capsules Probiotic Prebiotic & Ginger Supplement for Gut Health Bloating Gas & Nausea Support #1 Pharmacist Recommended Brand 30 Capsules**Emetrol**$9.74**33 rev3mo ago](https://www.amazon.com/dp/B0GT1Z9735) [![Boiron MotionCalm On The Go Relief for Nausea Vomiting or Dizziness associated with Motion Sickness Due to Travel Amusement Rides and Video Games or VR - Non-Drowsy - 2 Count (160 Pellets)](https://m.media-amazon.com/images/I/41bqgMXdE-L.jpg)**Boiron MotionCalm On The Go Relief for Nausea Vomiting or Dizziness associated with Motion Sickness Due to Travel Amusement Rides and Video Games or VR - Non-Drowsy - 2 Count (160 Pellets)**Boiron**$10.84**59 rev1y ago](https://www.amazon.com/dp/B0F63TDTFZ) [![Emetrol Non-Drowsy Nausea Relief - Liquid Medicine for Upset Stomach Relief - Pharmacist Recommended Nausea Medicine - Cherry Flavor - 12 fl oz](https://m.media-amazon.com/images/I/4191oXu-7pL.jpg)**Emetrol Non-Drowsy Nausea Relief - Liquid Medicine for Upset Stomach Relief - Pharmacist Recommended Nausea Medicine - Cherry Flavor - 12 fl oz**Emetrol**$16.84**4,547 rev1y ago](https://www.amazon.com/dp/B0F3RQYMW6) [![Emetrol Non-Drowsy Nausea Relief - Chewable Medicine for Upset Stomach - Pharmacist Recommended Nausea Relief - Mixed Berry Flavor 60 Tablets](https://m.media-amazon.com/images/I/41gXCf5I2uL.jpg)**Emetrol Non-Drowsy Nausea Relief - Chewable Medicine for Upset Stomach - Pharmacist Recommended Nausea Relief - Mixed Berry Flavor 60 Tablets**Emetrol**$9.85**922 rev3y ago](https://www.amazon.com/dp/B0C2JM5PWS) [![Emetrol Non-Drowsy Nausea Relief - Chewable Medicine for Upset Stomach - Pharmacist Recommended Nausea Relief - Lemon Flavor 84 Tablets](https://m.media-amazon.com/images/I/41vs2XvDtwL.jpg)**Emetrol Non-Drowsy Nausea Relief - Chewable Medicine for Upset Stomach - Pharmacist Recommended Nausea Relief - Lemon Flavor 84 Tablets**Emetrol**$17.02**278 rev3y ago](https://www.amazon.com/dp/B0BY3M6CSG)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Emetrol Daily Digestive Support Capsules Probiotic Prebiotic & Ginger Supplement for Gut Health Bloating Gas & Nausea Support #1 Pharmacist Recommended Brand 30 Capsules](https://m.media-amazon.com/images/I/41LuauP7FiL.jpg)**Emetrol Daily Digestive Support Capsules Probiotic Prebiotic & Ginger Supplement for Gut Health Bloating Gas & Nausea Support #1 Pharmacist Recommended Brand 30 Capsules**Emetrol**$9.74**4.5★**▲ 248%**](https://www.amazon.com/dp/B0GT1Z9735) [![Emetrol Non-Drowsy Nausea Relief - Chewable Medicine for Upset Stomach - Pharmacist Recommended Nausea Relief - Lemon Flavor 42 Tablets](https://m.media-amazon.com/images/I/417Z4-2+CdL.jpg)**Emetrol Non-Drowsy Nausea Relief - Chewable Medicine for Upset Stomach - Pharmacist Recommended Nausea Relief - Lemon Flavor 42 Tablets**Emetrol**$9.55**4.3★**▲ 174%**](https://www.amazon.com/dp/B09WSQZNCN) [![Boiron MotionCalm On The Go Relief for Nausea Vomiting or Dizziness associated with Motion Sickness Due to Travel Amusement Rides and Video Games or VR - Non-Drowsy - 2 Count (160 Pellets)](https://m.media-amazon.com/images/I/41bqgMXdE-L.jpg)**Boiron MotionCalm On The Go Relief for Nausea Vomiting or Dizziness associated with Motion Sickness Due to Travel Amusement Rides and Video Games or VR - Non-Drowsy - 2 Count (160 Pellets)**Boiron**$10.84**4.7★**▲ 30%**](https://www.amazon.com/dp/B0F63TDTFZ) [![Emetrol Non-Drowsy Nausea Relief - Chewable Medicine for Upset Stomach - Pharmacist Recommended Nausea Relief - Mixed Berry Flavor 60 Tablets](https://m.media-amazon.com/images/I/41gXCf5I2uL.jpg)**Emetrol Non-Drowsy Nausea Relief - Chewable Medicine for Upset Stomach - Pharmacist Recommended Nausea Relief - Mixed Berry Flavor 60 Tablets**Emetrol**$9.85**4.5★**▲ 13%**](https://www.amazon.com/dp/B0C2JM5PWS) [![Boiron MotionCalm Relief for Nausea Vomiting or Dizziness associated with Motion Sickness Due to Travel Amusement Rides and Video Games or VR - Non-Drowsy - 60 Count](https://m.media-amazon.com/images/I/41rUENce3hL.jpg)**Boiron MotionCalm Relief for Nausea Vomiting or Dizziness associated with Motion Sickness Due to Travel Amusement Rides and Video Games or VR - Non-Drowsy - 60 Count**Boiron**$10.47**4.6★**— 1%**](https://www.amazon.com/dp/B09RC6TX7H)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 66 weeks — -0.9% search growth over the last 90 days.

6K4K seasonAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

No pronounced peak months · busiest ÷ quietest = 1.3×

## **Reviews**

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

### **What buyers love **

**Efficiency**15%

*“Effective”*

**Taste-Overall**9%

*“no funky aftertaste”*

**Acid Regulator/Stomach Ache Relief**9%

*“my stomach felt better”*

**Quality-Overall**6%

*“Excellent product”*

**Advertised Vs Actual Product**6%

*“Works as advertised”*

**Regulates Digestion**5%

*“It really helped with the bloating”*

**Ease Of Use**5%

*“Simple, Palatable, Effective”*

**Value For Money**5%

*“Its affordable”*

**Ease Of Chewing/Swallowing**4%

*“Chewable”*

**Side Effects**4%

*“No side effects”*

### **What buyers complain about **

**Taste-Overall**18%

*“There was no taste, no aftertaste, and honestly no indication that I had taken anything at all”*

**Functionality-Overall**14%

*“Doesnt really work”*

**Acid Regulator/Stomach Ache Relief**8%

*“Ive been having difficulty with a lot of nausea issues lately”*

**Side Effects**4%

*“Unfortunately, this made me extremely nauseous and dizzy for most of the day”*

**Sweetness**4%

*“Its inate sweetness MIGHT distract from nausea”*

**Regulates Digestion**4%

*“Going from diarrhea to constipation”*

**Dosage**3%

*“If not mild will need to do multiple doses”*

**Value For Money**3%

*“I was tired of wasting money”*

**Durability**3%

*“While these are not designed for long term use”*

**Ease Of Use**2%

*“Hard to open”*