Clarityn
FailThe top 5 products take 100% of clicks, so Clarityn is a Fail.
- Flapen Score
- 34 / 100Ranks 122 of 198 Health, Household and Personal Care niches · −3 vs the category median of 3734
- Market size
- $4K/yr2K searches / yr
- 90-day growth
- -5.5%search demand this quarter
- Competition
- 100%top-5 click share · 3 brands · 15 sellers
Flapen Score
Clarityn against its category
The dotted line is the Health, Household and Personal Care average. Past it, Clarityn is stronger. Inside it, weaker.
Market
The Clarityn market on Amazon at a glance
Shoppers on Amazon Singapore searched for Clarityn 2K times last year and spent an estimated $4K. All 3 brands take every click. Flapen scores it 34 out of 100, a Fail.
01 · Demand
An estimated 7.4% of those searches ended in a purchase.
Shoppers searched for this 2K times in the last 12 months. That counts every search on Amazon Singapore for this niche's terms. An estimated 7.4% of those searches ended in a purchase. Searches in the last 90 days moved -5.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $4K a year.
- Searches, last 12 months
- 2K
- Growth, 90 days vs prior 90
- -5.5%
- Conversion, latest week
- 7.4%
- Market size, estimated
- $4Ka year
- Peak month
- September1.5× the quietest month
- Top search term
- cetirizine866 searches a year
02 · Price
A sale here is worth $33.90.
Listings sell for $33.90 on average, from $13.37 to $49.02. Amazon reports units sold in ranges. This niche sold 100 to 250 a year. The average listing sells 0 to 100 of them. At $33.90 that is $0 to $3K a year per listing.
- Average price
- $33.90inside the $15 to $100 sweet spot
- Price range
- $13.37–$49.02
- Amazon Singapore median price
- $30.00across 1,590 niches
- Units sold a year
- 100–250
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$3K
- Returns
- 0.0%of orders · Amazon Singapore median 0.0%
03 · Entry bar
The bar here is reviews.
0% of listings pay for placement with sponsored ads. 25% ship with Prime. On an average day, 3.4% of listings are out of stock. The average listing ranks #81 within Health, Household and Personal Care. It carries 2,078 reviews at 4.78 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 0%
- Prime listings
- 25%
- Out of stock, average day
- 3.4%
- Average rank
- #81in Health, Household and Personal Care
- Average rating
- 4.78 starsAmazon Singapore average 4.47 stars
- Average reviews
- 2,078per listing
- Listings tracked
- 4
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 78 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 78 months
Products
Top Clarityn products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 24, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
SDA LABORATORIES All Day 24-Hour Allergy Medicine 100 Count Antihistamine for Allergies Pollen Hay Fever Dry Itchy Eyes | Cetirizine HCl 10mg Tablets (Pack of 4)
- Price
- $49.02
- Rating
- 4.7/5
- Reviews
- 40
- Age
- 5y ago

HealthA2Z Allergy Relief | Cetirizine 10mg | All Day | Indoor & Outdoor | Relief from Itchy Throat Sneezing Runny Noses (250 Count (Pack of 1))
- Price
- $37.87
- Rating
- 4.7/5
- Reviews
- 6,813
- Age
- 6y ago

SDA Laboratories All Day 24-Hour Allergy Medicine 100 Count Antihistamine for Allergies Pollen Hay Fever Dry Itchy Eyes | Cetirizine HCl 10mg Tablets
- Price
- $35.33
- Rating
- 4.7/5
- Reviews
- 1,452
- Age
- 6y ago

Telfast Allergy Relief Tablet 120mg 10s
- Price
- $13.37
- Rating
- 5.0/5
- Reviews
- 8
- Age
- 6y ago
Trending
estimated 90-day click momentum
SDA LABORATORIES All Day 24-Hour Allergy Medicine 100 Count Antihistamine for Allergies Pollen Hay Fever Dry Itchy Eyes | Cetirizine HCl 10mg Tablets (Pack of 4)
- Price
- $49.02
- Rating
- 4.7/5
- Reviews
- 40
- Age
- 5y ago

SDA Laboratories All Day 24-Hour Allergy Medicine 100 Count Antihistamine for Allergies Pollen Hay Fever Dry Itchy Eyes | Cetirizine HCl 10mg Tablets
- Price
- $35.33
- Rating
- 4.7/5
- Reviews
- 1,452
- Age
- 6y ago

Telfast Allergy Relief Tablet 120mg 10s
- Price
- $13.37
- Rating
- 5.0/5
- Reviews
- 8
- Age
- 6y ago

HealthA2Z Allergy Relief | Cetirizine 10mg | All Day | Indoor & Outdoor | Relief from Itchy Throat Sneezing Runny Noses (250 Count (Pack of 1))
- Price
- $37.87
- Rating
- 4.7/5
- Reviews
- 6,813
- Age
- 6y ago
Newest
by launch date
SDA LABORATORIES All Day 24-Hour Allergy Medicine 100 Count Antihistamine for Allergies Pollen Hay Fever Dry Itchy Eyes | Cetirizine HCl 10mg Tablets (Pack of 4)
- Price
- $49.02
- Rating
- 4.7/5
- Reviews
- 40
- Age
- 5y ago

Telfast Allergy Relief Tablet 120mg 10s
- Price
- $13.37
- Rating
- 5.0/5
- Reviews
- 8
- Age
- 6y ago

SDA Laboratories All Day 24-Hour Allergy Medicine 100 Count Antihistamine for Allergies Pollen Hay Fever Dry Itchy Eyes | Cetirizine HCl 10mg Tablets
- Price
- $35.33
- Rating
- 4.7/5
- Reviews
- 1,452
- Age
- 6y ago

HealthA2Z Allergy Relief | Cetirizine 10mg | All Day | Indoor & Outdoor | Relief from Itchy Throat Sneezing Runny Noses (250 Count (Pack of 1))
- Price
- $37.87
- Rating
- 4.7/5
- Reviews
- 6,813
- Age
- 6y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 100% of clicks. A locked shelf that new listings rarely crack.
Brands
3 falling
Sellers
15
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
100%
Top 20: 100%
Open market
0%
- SDA LABORATORIES54%
- HealthA2Z34%
- Telfast12%
Demand
Clarityn search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Reviews and returns
What reviews say buyers love and hate about Clarityn
We read the reviews and the return reasons for every product selling here.
“works fine”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
3 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Clarityn questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









