Selenium
MaybeAn estimated 0.0% of orders come back. But demand is soft, at -8.8% this quarter, so Selenium is a Maybe.
- Flapen Score
- 62 / 100Top 8% of 14,768 Health & Household niches · +13 vs the category median of 4962
- Market size
- $3.7M/yr1.6M searches / yr
- 90-day growth
- -8.8%search demand this quarter
- Competition
- 51%top-5 click share · 16 brands · 35 sellers
Flapen Score
Selenium against its category
The dotted line is the Health & Household average. Past it, Selenium is stronger. Inside it, weaker.
Market
The Selenium market on Amazon at a glance
Shoppers on Amazon United States searched for Selenium 1.6M times last year and spent an estimated $3.7M. The top 5 brands take 70% of clicks. Flapen scores it 62 out of 100, a Maybe.
01 · Demand
An estimated 13.8% of those searches ended in a purchase.
Shoppers searched for this 1.6M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 13.8% of those searches ended in a purchase. Searches in the last 90 days moved -8.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $3.7M a year.
- Searches, last 12 months
- 1.6M
- Growth, 90 days vs prior 90
- -8.8%
- Conversion, latest week
- 13.8%
- Market size, estimated
- $3.7Ma year
- Peak month
- January1.3× the quietest month
- Top search term
- selenium944K searches a year
02 · Price
A sale here is worth $16.40.
Listings sell for $16.40 on average, from $4.99 to $35.95. Amazon reports units sold in ranges. This niche sold 200K to 250K a year. The average listing sells 8,000 to 10,000 of them. At $16.40 that is $131K to $164K a year per listing.
- Average price
- $16.40inside the $15 to $100 sweet spot
- Price range
- $4.99–$35.95
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 200K–250K
- Units per listing a year
- 8,000–10,000
- Revenue per listing a year
- $131K–$164K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
78% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #84 within Selenium. It carries 4,396 reviews at 4.63 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 78%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #84in Selenium
- Average rating
- 4.63 starsAmazon United States average 4.42 stars
- Average reviews
- 4,396per listing
- Listings tracked
- 23
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 83 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
- 83 months
Products
Top Selenium products & what they sell for
Every tracked product: its share of the shelf, its reviews, and its price.
Sign in to see the products
The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.
Competition
Competition: brands, sellers & click share
The top 5 products take 51% of clicks. Leaders hold, but buyers still shop past them.
Brands
16 falling
Sellers
35
Top-5 brand share
70%
Top 20: 100%
Top-5 click share
51%
Top 20: 97%
Open market
24%
- Brand 118%
- Brand 217%
- Brand 312%
- Brand 412%
- Brand 511%
- Brand 66%
Demand
Selenium search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.3×
Search terms
Top Selenium search terms shoppers use
The exact words shoppers type, with yearly volume, growth, and conversion.
- selenium944K/yr
- selenium 200mcg capsules174K/yr
- selenium supplements for women183K/yr
- selenio54K/yr
- selenium 200mcg33K/yr
- selenium supplement60K/yr
- selenio organico para tiroides31K/yr
- selen38K/yr
- selenomethionine29K/yr
- selenio 200mg25K/yr
Reviews and returns
What reviews say buyers love and hate about Selenium
We read the reviews and the return reasons for every product selling here.
“it has disgusting smell”
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.
19 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 Selenium questions
Answered from the same tracked data.









