---
title: "Mast Cell Stabilizer — $9K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/mast-cell-stabilizer"
last_updated: "2026-08-12T14:04:13.705Z"
locale: en
meta:
description: "Amazon product research for mast cell stabilizer: $9K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for mast cell stabilizer: $9K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Mast Cell Stabilizer — $9K/mo Amazon US Product Research"
---
# **Mast Cell Stabilizer**
**Worth a look**
Shows low returns (0.0%), but soft demand (-9.2% this quarter) keeps it on the watch list.
Market size 26Growth 20Conversion 93Competition 42Returns 100Price range 81Avg price 95Brand share 52Review moat 67Quality gap 22
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$28.39**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****11.4%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Great****$8.00–$47.67**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****813.71**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Good****74%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****60%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Okay****$106K**
$106K/yr · 33K searches
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-9.2%**
90-day search growth — must beat 0% to launch
## **Is mast cell stabilizer profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, mast cell stabilizer is a $106K/yr Amazon United States market (33K searches/yr). The top 5 brands hold 74% of demand. Verdict: Worth a look — 52/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mast cell stabilizer market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **4K–5K**
- avg 100–250/product
- **Revenue / yr**
- **$114K–$142K**
- units × avg price
- **Conversion rate**
- **11.4%**
- **Avg BSR**
- **#177**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **94%**
- **Out of stock**
- **5.0%**
- **Avg brand age**
- **68 months**
- **Avg seller age**
- **156 days**
## **Competition: brands, sellers & click share**
The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**13 **▼falling
**Sellers**
**33**
**Top-5 brand share**
**74%**
Top 20: 100%
**Top-5 click share**
**60%**
Top 20: 100%
**Open market**
**21%**
- Life Extension40% - Orgabay10% - Rho Nutrition10% - Pure Encapsulations8% - Natural Factors5% - THORNE5%
## **mast cell stabilizer demand & seasonality**
Weekly Amazon search volume, last 55 weeks — -9.2% search growth over the last 90 days.
900700Prime Day '25 seasonJulAugSepOctNovDecJanFebMarAprMayJunJul
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/health-household/mast-cell-stabilizer/trend)
## **Top mast cell stabilizer search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **liposomal quercetin**18K/yr-7.0%5.0% conv. - **quercetin liposomal**6K/yr-24.3%4.3% conv. - **bio quercetin life extension**3K/yr+12.4%26.6% conv. - **life extension bio quercetin**2K/yr-5.6%23.3% conv. - **bio quercetin**3K/yr-18.1%16.4% conv. [**All search terms **](https://flapen.com/research/us/health-household/mast-cell-stabilizer/search-terms)
## **Top mast cell stabilizer products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$11K20%$21K30%$32K40%$42K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 17 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Life Extension Bio-Quercetin Immune Health Supplement Heart Health Support Gluten Free Non-GMO Vegetarian 30 Capsules**Life Extension**$8.00**4.6★1,739 rev](https://www.amazon.com/dp/B07JZHSNZF) [2**Rho Nutrition Liposomal Quercetin - Ultra High Absorption Liquid Quercetin Supplement Seasonal and Immune Support**Rho Nutrition**$33.81**4.6★70 rev](https://www.amazon.com/dp/B0CRNQSJJZ) [3**Life Extension Bio-Quercetin 90 Vegetarian Capsules**Life Extension**$25.52**5.0★1 rev](https://www.amazon.com/dp/B0GTX12HGP) [4**Pure Encapsulations Quercetin UltraSorb | Enhanced-Absorption Cellular Immune and Cardiovascular Support* | 90 Capsules**Pure Encapsulations**$47.39**4.7★213 rev](https://www.amazon.com/dp/B0B488MPWT) [5**Orgabay Liposomal Quercetin Phytosome 1600 mg Bromelain 200mg Zinc 30mg Vitamin C Turmeric 40 mg Highest Absorption Quercetin Complex 120 Softgels**Orgabay**$29.61**4.6★220 rev](https://www.amazon.com/dp/B09XX836WS)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Clenoriko Quercetin with Bromelain Liposomal Quercetin Complex with Vitamin C & Zinc Elderberry Berberine & Mullein for Immune Wellness & Respiratory Comfort Higher Absorption - 60 Softgels**Clenoriko**$22.20**21 rev2mo ago](https://www.amazon.com/dp/B0GZSV118H) [**Life Extension Bio-Quercetin 90 Vegetarian Capsules**Life Extension**$25.52**1 rev4mo ago](https://www.amazon.com/dp/B0GTX12HGP) [**Liposomal Quercetin with Bromelain Liquid Drops 8 in 1 Organic Quercetin 1000mg Supplements with Bromelain 500mg Vitamin C D3 Zinc Elderberry Turmeric for Immunity & Respiratory Health 2 Fl Oz**HOLLEGEND**$19.52**112 rev1y ago](https://www.amazon.com/dp/B0DXP9LBZ7) [**Renue By Science Quercetin | High Strength Liposomal Quercetin Supplements | 90 Quercitin Capsules - 150mg Quercetin per Serving | Non-GMO | Made in the USA & Third-Party Tested**Renue By Science**$47.67**50 rev2y ago](https://www.amazon.com/dp/B0CW8LGRRK) [**Rho Nutrition Liposomal Quercetin - Ultra High Absorption Liquid Quercetin Supplement Seasonal and Immune Support**Rho Nutrition**$33.81**70 rev2y ago](https://www.amazon.com/dp/B0CRNQSJJZ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Clenoriko Quercetin with Bromelain Liposomal Quercetin Complex with Vitamin C & Zinc Elderberry Berberine & Mullein for Immune Wellness & Respiratory Comfort Higher Absorption - 60 Softgels**Clenoriko**$22.20**4.6★**▲ 237%**](https://www.amazon.com/dp/B0GZSV118H) [**Life Extension Bio-Quercetin 90 Vegetarian Capsules**Life Extension**$25.52**5.0★**▲ 212%**](https://www.amazon.com/dp/B0GTX12HGP) [**Rho Nutrition Liposomal Quercetin - Ultra High Absorption Liquid Quercetin Supplement Seasonal and Immune Support**Rho Nutrition**$33.81**4.6★**▲ 80%**](https://www.amazon.com/dp/B0CRNQSJJZ) [**Orgabay Liposomal Quercetin Phytosome 1600 mg Bromelain 200mg Zinc 30mg Vitamin C Turmeric 40 mg Highest Absorption Quercetin Complex 60 Softgels**Orgabay**$19.96**4.6★**▲ 31%**](https://www.amazon.com/dp/B09XX9P5PN) [**Quercetin with Bromelain - 96% Highly Purified - 120 Count (1 200mg Servings) - Supports Healthy Immune Functions in Men and Women (Vegan Safe Third Party Tested Gluten Free) by Double Wood**Double Wood Supplements**$23.60**4.7★**▲ 29%**](https://www.amazon.com/dp/B0899C4YBK)
**~~View all trending →~~**
## **What reviews say buyers love and hate about mast cell stabilizer**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**24%
*“Good quality”*
**Taste-Overall**9%
*“It is actually pretty tasty”*
**Allergies**7%
*“Helping to keep my allergies at bay this summer”*
**Value For Money**6%
*“Worth the price”*
**Immunity Booster**4%
*“Great Immune Support Formula”*
**Ingredients-Overall**3%
*“Overall, this is a thoughtfully formulated supplement with a strong combination of ingredients”*
**Inflammation**3%
*“Great anti-inflammatory”*
**Efficiency**3%
*“Its working effectively”*
**Absorbency**3%
*“I feel it is easily absorbed for maximum benefit”*
**Sinus Relief**2%
*“Natural sinus defense that works great”*
### **What buyers complain about **
**Allergies**12%
*“Allergies”*
**Value For Money**6%
*“I wish I had tried a less expensive brand”*
**Size-Overall**5%
*“These pills are small”*
**Side Effects**5%
*“I cannot say I've noticed any tangible effect yet. about 2 weeks.”*
**Dosage**5%
*“Pills are not full”*
**Sweetness**5%
*“A little too sweet”*
**Quality-Overall**4%
*“Quality control problem – If multiple capsules in the bottle are noticeably half full”*
**Vitamin**3%
*“Ive seen zero benefits from taking this quercetin”*
**Functionality-Overall**3%
*“Doesn't help 100%”*
**Water Resistance**3%
*“The inner cap had water damage”*
### **Top return reasons **
**Pain Relief-Overall**50%
**Strength**50%
## **Common mast cell stabilizer questions**
- **Is mast cell stabilizer profitable to sell on Amazon United States?**
- The niche generates $106K/yr across 17 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -9.2%. Flapen's verdict: Worth a look (52/100).
- **How competitive is the mast cell stabilizer niche?**
- 13 brands and 33 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 74% of demand.
- **What do buyers complain about in mast cell stabilizer?**
- Top complaints mined from reviews: Allergies, Value For Money, Size-Overall. The return rate is 0.0%.
- **When does demand for mast cell stabilizer peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the mast cell stabilizer niche?**
- Listings span $8.00–$47.67; the average listing price is $28.39 (sweet spot $15–$100). The average incumbent carries 814 reviews — the moat a new listing must climb.
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