Is selenium drops profitable to sell on Amazon United States?

The niche generates $62K/yr across 15 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -30.0%. Flapen's verdict: Skip it (49/100).

How competitive is the selenium drops niche?

15 brands and 17 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 75% of demand.

What do buyers complain about in selenium drops?

Top complaints mined from reviews: Taste-Overall, Smell, Dosage. The return rate is 0.0%.

When does demand for selenium drops peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the selenium drops niche?

Listings span $9.70–$29.47; the average listing price is $18.67 (sweet spot $15–$100). The average incumbent carries 560 reviews — the moat a new listing must climb.

selenium drops

Skip it

Soft demand (-30.0% this quarter) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Great11.5%

search→purchase rate — share of searches ending in a sale

Avg price

Great$18.67

avg listing price — sweet spot $15–$100

Review moat

Good559.73

avg incumbent reviews — the moat a new listing must climb

Price range

Good$9.70–$29.47

cheapest to priciest tracked listing — scored on the share inside $15–$100

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Brand share

Good75%

top-5 brand share — brands hold most of the demand

Competition

Bad75%

top-5 click share — a locked-up shelf

Market size

Bad$62K

$62K/yr · 29K searches

Growth

Bad-30.0%

90-day search growth — must beat 0% to launch

According to Flapen's Amazon United States niche tracking, selenium drops is a $62K/yr Amazon United States market (29K searches/yr). The top 5 brands hold 75% of demand. Verdict: Skip it — 49/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

selenium drops market data

Units sold / yr: 3K–3K; avg 100–250/product
Revenue / yr: $47K–$56K; units × avg price
Conversion rate: 11.5%
Avg BSR: #481
Page quality: 0%
Prime: 100%
Sponsored: 87%
Out of stock: 9.5%
Avg brand age: 69 months
Avg seller age: 180 days

Competition & brand share

The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.

Brands

15 rising

Sellers

Top-5 brand share

75%

Top 20: 100%

Top-5 click share

75%

Top 20: 100%

Open market

19%

Triquetra Health24%
Global Healing Center23%
Mineral Resources International, Inc.10%
Trace Minerals9%
CFILIHTC9%
Eidon Ionic Minerals6%

Demand & seasonality

Weekly Amazon search volume, last 103 weeks — -30.0% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top selenium drops search terms

selenium liquid8K/yr -21.7%8.2% conv.
selenium drops10K/yr -32.6%9.3% conv.
liquid selenium7K/yr -34.5%9.0% conv.
selenium liquid drops4K/yr -35.6%11.3% conv.

All search terms

Top selenium drops 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Selenium - 200 mcg Selenomethionine Form 300 Servings - Vegan Glass Bottle Yeast Free - Sublingual Liquid Concentrate - Antioxidant Supports Immunity Thyroid Health (2 oz.)

Triquetra Health$21.714.5★1,423 rev

Global Healing Center - Selenium 200mcg Selenium Supplement Drops with Organic Ingredients Antioxidants for Thyroid and Immune Support Non-GMO & Gluten-Free for Men & Women - 2 Fl Oz

Global Healing Center$23.494.6★2,188 rev

Anderson Ionic Selenium Complex Liquid Selenium Supplement Drops Supports Thyroid and Immune System Antioxidant Fights Free Radicals Mineral Glass Bottle with Dropper 40 Servings 2 fl oz

Mineral Resources International, Inc.$11.924.4★163 rev

Trace Minerals Research - Ionic Selenium 300 mcg 2 oz Liquid

Trace Minerals$19.114.6★690 rev

Selenium Liquid Drops 200mcg Liquid Selenium Supplement with Vitamin C & Zinc Support for Immune System Antioxidant & Heart Health High Absorption Pineapple Flavor 2 Fl Oz

CFILIHTC$16.744.6★236 rev

Newest

by launch date

Thyroid Support Drops - Selenium Zinc Iodine L Tyrosine Ashwagandha Turmeric Schisandra Guggu Cayenne Basil - Liquid Supplement Folate Copper Alcohol -Free Vegan Non-GMO 4 oz

NEW AGE$28.40132 rev

7mo ago

Thyroid Support Drops with Iodine 150mcg Selenium Zinc & Ashwagandha 2oz

BIOZQYNK$13.7354 rev

8mo ago

ThyroBloom Thyroid Support for Women Liquid Drops Iodine L-Tyrosine Selenium Copper Ashwagandha Zinc Kelp Bladderwrack Schisandra Guggul Turmeric Vitamin A D3 B12 Folate Supplement by Clean Nutra 4oz

Clean Nutraceuticals$29.47592 rev

1y ago

7in1 Selenium Liquid Drops 200mcg Selenomethionine for Men & Women Pure Thyroid Support Supplement High Absorption Tincture for Immune & Energy Support - 1FL Oz - 60 Day Support

MILIVOL$10.0549 rev

1y ago

Selenium Liquid Drops 200mcg Liquid Selenium Supplement with Vitamin C & Zinc Support for Immune System Antioxidant & Heart Health High Absorption Pineapple Flavor 2 Fl Oz

CFILIHTC$16.74236 rev

2y ago

What buyers say about selenium drops

What buyers praise and complain about, mined from review topics.

What buyers love

Taste-Overall19%

“No nasty taste”

Ease Of Use9%

“easy to handle”

Quality-Overall5%

“The dropper also is a good quality”

Energy Level5%

“boosts my energy level”

Vitamin4%

“I take it with my other vitamins and it's so far, so good”

Advertised Vs Actual Product3%

“As advertised”

Flavor3%

“The flavor is amazing”

Ingredients-Overall3%

“Lots of beneficial ingredients”

Regulates Digestion3%

“Eliminates sluggishness”

Hormonal Balance3%

“Ashwagandha is an excellent vitamin for hormone balance”

What buyers complain about

Taste-Overall24%

“Doesnt taste good”

Smell13%

“However, it smells horrendous”

Dosage6%

“No dosing instructions provided”

Functionality-Overall4%

“Didn't work for me”

Jamming/Clogging3%

“Dropper totally clogged when received”

Ingredients-Overall3%

“The last ingredient in this product is deemed harmful”

Value For Money3%

“Waste of money”

Vitamin2%

“the only issue I have is that the vitamin B12 is over 2000% of the daily recomended dosage”

Flavor2%

“its so hard for me to take because the flavor”

Energy Level2%

“I have low energy”

Common questions

Is selenium drops profitable to sell on Amazon United States?: The niche generates $62K/yr across 15 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -30.0%. Flapen's verdict: Skip it (49/100).
How competitive is the selenium drops niche?: 15 brands and 17 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 75% of demand.
What do buyers complain about in selenium drops?: Top complaints mined from reviews: Taste-Overall, Smell, Dosage. The return rate is 0.0%.
When does demand for selenium drops peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the selenium drops niche?: Listings span $9.70–$29.47; the average listing price is $18.67 (sweet spot $15–$100). The average incumbent carries 560 reviews — the moat a new listing must climb.