Is vitamin e with selenium profitable to sell on Amazon United States?

The niche generates $100K/yr across 8 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -21.6%. Flapen's verdict: Skip it (42/100).

How competitive is the vitamin e with selenium niche?

7 brands and 18 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 94% of demand.

What do buyers complain about in vitamin e with selenium?

Top complaints mined from reviews: Smell, Side Effects, Dosage. The return rate is 0.0%.

When does demand for vitamin e with selenium peak?

Demand is steady year-round — the busiest month runs 1.3× the quietest.

What does it cost to enter the vitamin e with selenium niche?

Listings span $9.63–$41.49; the average listing price is $20.46 (sweet spot $15–$100). The average incumbent carries 1,539 reviews — the moat a new listing must climb.

vitamin e with selenium

Skip it

A concentrated shelf (top 5 take 89% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible16.2%

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

Avg price

Great$20.46

avg listing price — sweet spot $15–$100

Price range

Great$9.63–$41.49

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

Review moat

Okay1,538.75

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$100K

$100K/yr · 30K searches

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Brand share

Bad94%

top-5 brand share — brand-locked demand

Growth

Bad-21.6%

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

Competition

Bad89%

top-5 click share — a locked-up shelf

According to Flapen's Amazon United States niche tracking, vitamin e with selenium is a $100K/yr Amazon United States market (30K searches/yr). The top 5 brands hold 94% of demand. Verdict: Skip it — 42/100.

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

vitamin e with selenium market data

Units sold / yr: 4K–5K; avg 500–750/product
Revenue / yr: $82K–$102K; units × avg price
Conversion rate: 16.2%
Avg BSR: #230
Page quality: 0%
Prime: 100%
Sponsored: 75%
Out of stock: 0.0%
Avg brand age: 106 months
Avg seller age: 162 days

Competition & brand share

The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.

Brands

7 flat

Sellers

Top-5 brand share

94%

Top 20: 100%

Top-5 click share

89%

Top 20: 100%

Open market

Life Extension65%
Puritan's Pride10%
Swanson8%
Metagenics7%
SOLARAY4%
Douglas Laboratories3%
Open — no brand owns it (1 brand, 3%)

Demand & seasonality

Weekly Amazon search volume, last 77 weeks — -21.6% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.3×

Open Trend

Top vitamin e with selenium search terms

vitamina e con selenio8K/yr -11.9%2.5% conv.
vitamin e with selenium6K/yr -27.0%7.0% conv.
super selenium complex life extension4K/yr -2.8%31.6% conv.
life extension selenium3K/yr -16.1%17.0% conv.
vitamin e and selenium4K/yr -57.1%3.5% conv.
life extension super selenium complex2K/yr +3.8%25.5% conv.
vitamin e selenium3K/yr -8.6%6.5% conv.

All search terms

Top vitamin e with selenium 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 8 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Life Extension Super Selenium Complex 200 mcg 3 Forms of Selenium Vitamin E Cellular Health & Longevity Support Gluten-Free Non-GMO Vegetarian 1 Daily 100 Capsules

Life Extension$9.634.6★6,951 rev

Life Extension Super Selenium Complex 200 mcg 3 Forms of Selenium Vitamin E Cellular Health & Longevity Support Gluten-Free Non-GMO Vegetarian 1 Daily 200 Capsules

Life Extension$17.904.3★15 rev

Puritans Pride Vitamin E 184mg (400 IU) with Selenium 50mcg Vitamin Supplement For Immune System and Antioxidant Health Support 3 Month Supply 100 Rapid Release Softgels

Puritan's Pride$9.944.6★1,961 rev

Swanson Vitamin E & Selenium 90 Sgels

Swanson$12.154.7★241 rev

Metagenics E-400 Selenium Supplement - Vitamin E & Selenium Antioxidant Formula with Calcium & Phosphorus - Supports Immune Skin Eye & Cellular Health* - Gluten-Free Vegetarian - 60 Tablets

Metagenics$33.824.7★97 rev

Newest

by launch date

Life Extension Super Selenium Complex 200 mcg 3 Forms of Selenium Vitamin E Cellular Health & Longevity Support Gluten-Free Non-GMO Vegetarian 1 Daily 200 Capsules

Life Extension$17.9015 rev

6mo ago

Puritans Pride Vitamin E 184mg (400 IU) with Selenium 50mcg Vitamin Supplement For Immune System and Antioxidant Health Support 3 Month Supply 100 Rapid Release Softgels

Puritan's Pride$9.941,961 rev

13y ago

Life Extension Super Selenium Complex 200 mcg 3 Forms of Selenium Vitamin E Cellular Health & Longevity Support Gluten-Free Non-GMO Vegetarian 1 Daily 100 Capsules

Life Extension$9.636,951 rev

15y ago

Metagenics E-400 Selenium Supplement - Vitamin E & Selenium Antioxidant Formula with Calcium & Phosphorus - Supports Immune Skin Eye & Cellular Health* - Gluten-Free Vegetarian - 60 Tablets

Metagenics$33.8297 rev

16y ago

SOLARAY Bio Vitamin E 400 IU with Selenium 120 Softgels

SOLARAY$26.27600 rev

18y ago

What buyers say about vitamin e with selenium

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

What buyers love

Vitamin19%

“Great vitamins, good quality”

Quality-Overall15%

“Quality product”

Value For Money12%

“Good price”

Vegan/Organic5%

“dietary supplement”

Magnesium5%

“Best rated Selenium”

Ease Of Chewing/Swallowing4%

“easy to swallow”

Cold Relief3%

“Helps with my hot flashes”

Ease Of Use3%

“Its easy to give”

Safety Standards3%

“SAFETY NUTIRENT”

Nutritional Content3%

“SUPPLEMENT”

What buyers complain about

Smell48%

“Smells like urine”

Side Effects9%

“I had to stop taking it was making me ill”

Dosage4%

“Then just stopped taking”

Color4%

“gels always light golden brown”

Quality-Overall2%

“It is now absolute garbage”

Leak-Proof2%

“But of the 2 bottles I have purchased, they both must have had leaking capsules because all the capsules were oily, sticky, and slippery”

Adhesion/Stickiness2%

“sticky”

Iron2%

“I did not take the Selenium & Zinc everyday”

Taste-Overall1%

“But, this was awful taste, would not wash out of mouth until long after meal eaten, breath is horribly foul for hours and unlike many others, constipates totally”

Size-Overall1%

“plus the gel capsule are small”

Top return reasons

Ingredients-Overall33%

Smell33%

Vitamin33%

Common questions

Is vitamin e with selenium profitable to sell on Amazon United States?: The niche generates $100K/yr across 8 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -21.6%. Flapen's verdict: Skip it (42/100).
How competitive is the vitamin e with selenium niche?: 7 brands and 18 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 94% of demand.
What do buyers complain about in vitamin e with selenium?: Top complaints mined from reviews: Smell, Side Effects, Dosage. The return rate is 0.0%.
When does demand for vitamin e with selenium peak?: Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the vitamin e with selenium niche?: Listings span $9.63–$41.49; the average listing price is $20.46 (sweet spot $15–$100). The average incumbent carries 1,539 reviews — the moat a new listing must climb.