---
title: "Cromolyn Sodium — $730K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/cromolyn-sodium"
last_updated: "2026-08-11T15:01:04.491Z"
locale: en
meta:
description: "Niche score 52/100 · $730K/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 52/100 · $730K/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Cromolyn Sodium — $730K/yr Amazon US Niche (2026) - Flapen"
---
# **cromolyn sodium**
**Worth a look**
Shows low returns (0.0%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Market size 70Growth 55Conversion 97Competition 6Returns 100Price range 71Avg price 95Brand share 0Review moat 44Quality gap 22
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****15.8%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Incredible****$22.84**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$6.73–$35.67**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****$730K**
$730K/yr · 202K searches
**Growth**
**Good****+28.0%**
90-day search growth — must beat 0% to launch
**Review moat**
**Okay****2,136.75**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****93%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, cromolyn sodium is a $730K/yr Amazon United States market (202K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–May–Jun. Verdict: Worth a look — 52/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **cromolyn sodium market data**
- **Units sold / yr**
- **30K–40K**
- avg 4,000–5,000/product
- **Revenue / yr**
- **$685K–$914K**
- units × avg price
- **Conversion rate**
- **15.8%**
- **Avg BSR**
- **#453**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **25%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **87 months**
- **Avg seller age**
- **158 days**
## **Competition & brand share**
The top 5 products capture 93% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **—flat
**Sellers**
**38**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**93%**
Top 20: 100%
**Open market**
**0%**
- NasalCrom75% - Cromolyn12% - Valeant8% - MirrOLure3% - Life Extension2%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +28.0% search growth over the last 90 days.
7K5KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun · busiest ÷ quietest = 2.0×
[**Open Trend **](https://flapen.com/research/us/health-household/cromolyn-sodium/trend)
## **Top cromolyn sodium search terms**
- **nasalcrom**55K/yr+36.9%20.3% conv. - **cromolyn sodium**37K/yr+57.2%5.0% conv. - **cromolyn sodium nasal spray**35K/yr+42.6%12.2% conv. - **nasalcrom nasal spray**26K/yr+0.2%23.9% conv. - **cromolyn**21K/yr+24.9%4.0% conv. - **nasal crom nasal spray**10K/yr-1.7%25.1% conv. - **nasal crom**6K/yr+33.3%19.6% conv. - **cromolyn nasal spray**6K/yr+23.7%11.6% conv. - **nasalcrom nasal allergy spray 2 pack**5K/yr-16.8%27.6% conv. - **nasalcrom allergy nasal spray**2K/yr-98.0%25.9% conv. [**All search terms **](https://flapen.com/research/us/health-household/cromolyn-sodium/search-terms)
## **Top cromolyn sodium 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%10%$73K20%$146K30%$219K40%$292K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 8 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**NasalCrom Nasal Spray Allergy Symptom Controller | 200 Sprays | .88 FL OZ**NasalCrom**$20.12**4.6★6,659 rev](https://www.amazon.com/dp/B001F1DV1I) [2**NasalCrom Nasal Spray Allergy Symptom Controller | 200 Sprays | .88 FL OZ**NasalCrom**$20.02**4.6★440 rev](https://www.amazon.com/dp/B000R829FO) [3**NasalCrom Nasal Spray Allergy Symptom Controller | 200 Sprays | .88 FL OZ (2 Pack)**NasalCrom**$34.93**4.6★6,659 rev](https://www.amazon.com/dp/B07H9SFTM9) [4**Cromolyn Sodium Nasal Solution 26mL *Pack of 2 Bottles Only**Cromolyn**$20.45**4.6★1,388 rev](https://www.amazon.com/dp/B00I3CO2Y2) [5**Healthguard Cromolyn Sodium Nasal Solution - .88 oz Pack of 2**Valeant**$28.95**4.7★90 rev](https://www.amazon.com/dp/B00IR458JY)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Cromolyn Sodium Nasal Solution 26mL *Pack of 2 Bottles Only**Cromolyn**$20.45**1,388 rev8y ago](https://www.amazon.com/dp/B00I3CO2Y2) [**Healthguard Cromolyn Sodium Nasal Solution - .88 oz Pack of 2**Valeant**$28.95**90 rev12y ago](https://www.amazon.com/dp/B00IR458JY) [**NasalCrom Nasal Spray Allergy Symptom Controller | 200 Sprays | .88 FL OZ (2 Pack)**NasalCrom**$34.93**6,659 rev12y ago](https://www.amazon.com/dp/B07H9SFTM9) [**Mirrolure 17MR-EGBG Mirrodine 2-5/8**MirrOLure**$15.85**58 rev14y ago](https://www.amazon.com/dp/B0084EE9CY) [**NasalCrom Nasal Spray Allergy Symptom Controller | 200 Sprays | .88 FL OZ (2 Pack)**NasalCrom**$35.67**562 rev14y ago](https://www.amazon.com/dp/B004RRHNPW)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Mirrolure 17MR-EGBG Mirrodine 2-5/8**MirrOLure**$15.85**4.8★**▲ 191%**](https://www.amazon.com/dp/B0084EE9CY) [**Healthguard Cromolyn Sodium Nasal Solution - .88 oz Pack of 2**Valeant**$28.95**4.7★**▲ 126%**](https://www.amazon.com/dp/B00IR458JY) [**Life Extension Optimized Chromium with Crominex 3+ 500 mcg Metabolism Health Healthy Balance Vegetarian Gluten Free Non-GMO 500 mcg 60 Vegetarian Capsules**Life Extension**$6.73**4.6★**▲ 68%**](https://www.amazon.com/dp/B004BH93NS) [**NasalCrom Nasal Spray Allergy Symptom Controller | 200 Sprays | .88 FL OZ**NasalCrom**$20.02**4.6★**▲ 61%**](https://www.amazon.com/dp/B000R829FO) [**NasalCrom Nasal Spray Allergy Symptom Controller | 200 Sprays | .88 FL OZ**NasalCrom**$20.12**4.6★**— 4%**](https://www.amazon.com/dp/B001F1DV1I)
**~~View all trending →~~**
## **What buyers say about cromolyn sodium**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Allergies**20%
*“Allergies be gone”*
**Quality-Overall**16%
*“Great working product”*
**Sinus Relief**13%
*“I use it prevent sinus infections and congestion”*
**Value For Money**5%
*“Good price”*
**Efficiency**4%
*“Work fine”*
**Vitamin**3%
*“Buen suplemento”*
**Side Effects**3%
*“Symptoms are gone for hours after I use it”*
**Advertised Vs Actual Product**2%
*“Works as described”*
**Blood Sugar Level**2%
*“Helps with sugar cravings”*
**Heart Health**2%
*“Great for HIT and MCAS”*
### **What buyers complain about **
**Functionality-Overall**14%
*“Did not work”*
**Allergies**11%
*“suffer from a Cedar Pollen allergy. known around here as Cedar Fever”*
**Side Effects**8%
*“Side effects werent worth trying it another time”*
**Dosage**7%
*“However, the recommended dose is very high. 4-5x a day”*
**Smell**5%
*“It reeks of perfume”*
**Moist/Dry**4%
*“bleed or dry out”*
**Value For Money**3%
*“shame for the pricing”*
**Sinus Relief**3%
*“I am skeptical of OTC nasal sprays”*
**Sleep Quality**3%
*“slow when I wake up in the morning”*
**Pain Relief-Overall**2%
*“not a treatment”*
## **Common questions**
- **Is cromolyn sodium profitable to sell on Amazon United States?**
- The niche generates $730K/yr across 8 tracked products. 90-day search growth is +28.0%. Flapen's verdict: Worth a look (52/100).
- **How competitive is the cromolyn sodium niche?**
- 5 brands and 38 sellers compete. The top 5 products take 93% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in cromolyn sodium?**
- Top complaints mined from reviews: Functionality-Overall, Allergies, Side Effects. The return rate is 0.0%.
- **When does demand for cromolyn sodium peak?**
- Demand peaks in Apr–May–Jun; the busiest month runs 2.0× the quietest.
- **What does it cost to enter the cromolyn sodium niche?**
- Listings span $6.73–$35.67; the average listing price is $22.84 (sweet spot $15–$100). The average incumbent carries 2,137 reviews — the moat a new listing must climb.
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