Selenium
prices mostly outside the sweet spot ($4.81–$13.87) — Selenium doesn't clear our bar today.
Flapen Score
Is Selenium profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Selenium is a £207K/yr Amazon United Kingdom market (176K searches/yr). The top 5 brands hold 71% of demand. Verdict: Skip it — 44/100.
Selenium: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved -13.6% over the last 90 days and 15.0% of searches end in a purchase.
£207K
revenue / yr
Who owns the niche?
The top 5 brands hold 71% of demand, so 29% of the market is open.
29%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.6★ — the gap to enter on.
0/100
page quality · 12 products
Top Selenium products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
Selenium Supplements 200mcg - 365 Tablets - 1 Year Supply - Bioavailable Sodium Selenite Form - 1-a-Day - Small in Size (6mm) - Vegan & Non-GMO Selenium Tablets
- Price
- £7.85
- Rating
- 4.5/5
- Reviews
- 3,300
- Age
- 5y ago
Solgar Selenium (Yeast-Free) 200 g Tablets - Pack of 50 - Healthy Hair and Nails - Supports the Immune System - Vegan and Gluten Free
- Price
- £8.03
- Rating
- 4.7/5
- Reviews
- 2,521
- Age
- 15y ago
Selenium Tablets - 365 Vegan Selenium Tablets 200g Per Serving - Supports Normal Immune System & Thyroid Function - 12 Month Supply Made in The UK By New Leaf
- Price
- £8.19
- Rating
- 4.8/5
- Reviews
- 79
- Age
- 9mo ago
Nutravita Selenium Supplements 250mcg ACE with Vitamin A C & E - 400 Vegan Tablets (1+ Year Supply) - Support Normal Function of Immune System & Thyroid - Support Hair Skin & Nails - Made in the UK
- Price
- £4.81
- Rating
- 4.6/5
- Reviews
- 184
- Age
- 11mo ago
Zipvit Selenium 200mcg with Vitamins A C E. 180 Vegan Tablets. Supports Normal Thyroid Skin Hair & Nails Immune System and Antioxidant Protection. 6 Month Supply. UK Supplier.
- Price
- £6.62
- Rating
- 4.6/5
- Reviews
- 2,134
- Age
- 9y ago
Trending
90-day click momentum
Biotin Hair Growth Supplement - 180 Vegan Tablets Enhanced with Zinc & Selenium Hair Vitamins Complex - Biotin 10000 mcg - Hair Skin and Nails Vitamins for Women & Men UK (Packaging Design May Vary)
- Price
- £5.66
- Rating
- 4.4/5
- Reviews
- 12,621
- Age
- 5y ago
Selenium Tablets - 365 Vegan Selenium Tablets 200g Per Serving - Supports Normal Immune System & Thyroid Function - 12 Month Supply Made in The UK By New Leaf
- Price
- £8.19
- Rating
- 4.8/5
- Reviews
- 79
- Age
- 9mo ago
Nutravita Selenium Supplements 250mcg ACE with Vitamin A C & E - 400 Vegan Tablets (1+ Year Supply) - Support Normal Function of Immune System & Thyroid - Support Hair Skin & Nails - Made in the UK
- Price
- £4.81
- Rating
- 4.6/5
- Reviews
- 184
- Age
- 11mo ago
Selenium 200mcg - 180 Tablets Yeast Free L-Selenomethionine Supplements Natural Immune System & Thyroid - Resealable and Recyclable Pouch by Alpha01
- Price
- £4.93
- Rating
- 4.5/5
- Reviews
- 96
- Age
- 6y ago
Pure Encapsulations Selenium 200ug - Selenomethionine Supplement for Immune and Thyroid Function Support - 60 Vegetarian Capsules
- Price
- £12.26
- Rating
- 4.7/5
- Reviews
- 238
- Age
- 7y ago
Newest
by launch dateSelenium Tablets - 365 Vegan Selenium Tablets 200g Per Serving - Supports Normal Immune System & Thyroid Function - 12 Month Supply Made in The UK By New Leaf
- Price
- £8.19
- Rating
- 4.8/5
- Reviews
- 79
- Age
- 9mo ago
Nutravita Selenium Supplements 250mcg ACE with Vitamin A C & E - 400 Vegan Tablets (1+ Year Supply) - Support Normal Function of Immune System & Thyroid - Support Hair Skin & Nails - Made in the UK
- Price
- £4.81
- Rating
- 4.6/5
- Reviews
- 184
- Age
- 11mo ago
Solaray Selenium 200mcg 90 Vegan Capsules L-Selenomethionine Supplement
- Price
- £6.32
- Rating
- 4.6/5
- Reviews
- 48
- Age
- 1y ago
Selenium 200g - 120 Capsules 4 Month Supply as Selenomethionine the Naturally Occurring Form with Superior bioavailability - Made in the UK
- Price
- £7.87
- Rating
- 4.5/5
- Reviews
- 197
- Age
- 2y ago
Selenium Supplements 200mcg - 365 Tablets - 1 Year Supply - Bioavailable Sodium Selenite Form - 1-a-Day - Small in Size (6mm) - Vegan & Non-GMO Selenium Tablets
- Price
- £7.85
- Rating
- 4.5/5
- Reviews
- 3,300
- Age
- 5y ago
Competition: brands, sellers & click share
The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.
Brands
12 rising
Sellers
16
Top-5 brand share
71%
Top 20: 100%
Top-5 click share
71%
Top 20: 100%
Open market
22%
- WeightWorld34%
- Solgar13%
- NEW LEAF PRODUCTS10%
- Nutravita7%
- Zipvit7%
- Horbäach6%
Selenium demand & seasonality
Weekly search volume, with the niche's key stats alongside.
No pronounced peak months · busiest ÷ quietest = 1.3×
Top Selenium search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- selenium109K/yr
- selenium supplements52K/yr
- selenium 200mcg5K/yr
- selenomethionine3K/yr
- selen4K/yr
- selenium supplement3K/yr
What reviews say buyers love and hate about Selenium
What buyers mention most, as a share of all reviews.
What buyers love
76% of reviews“Helps your hair grow”
“Amazing quality”
“Good price”
“Easy to swallow”
“Great supplement works well”
What buyers complain about
58% of reviews“Did not work”
“they smell foul”
“a £2 price increase”
“Hair has come a bit thicker”
“My hair was falling out in clumps”
Common Selenium questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
