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vitamin d 20000 iu

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 51Growth 21Conversion 99Competition 7Returns 100Price range 95Avg price 95Brand share 0Review moat 42Quality gap 19

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible18.3%

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

Avg price

Incredible$27.12

avg listing price — sweet spot $15–$100

Price range

Incredible$17.16–$35.95

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

Market size

Good$307K

$307K/yr · 62K searches

Review moat

Okay2,277

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-7.3%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Competition

Bad91%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, vitamin d 20000 iu is a $307K/yr Amazon United States market (62K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 45/100.

Data updated Aug 5, 2026 · scored weekly · How we score niches

vitamin d 20000 iu market data

Units sold / yr
10K–13K
avg 1,000–1,250/product
Revenue / yr
$271K–$339K
units × avg price
Conversion rate
18.3%
Avg BSR
#105
Page quality
0%
Prime
100%
Sponsored
86%
Out of stock
0.0%
Avg brand age
71 months
Avg seller age
156 days

Competition & brand share

The top 5 products capture 91% of clicks — a locked-up shelf that new listings rarely crack.

Brands

2 rising

Sellers

6

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

91%

Top 20: 100%

Open market

0%

  • Metagenics97%
  • Micro Ingredients3%
  • Open — no brand owns it (0%)

Demand

Weekly Amazon search volume, last 18 weeks — -7.3% search growth over the last 90 days.
1K600Spike '26Prime Day '26Apr '26Apr '26May '26Jun '26Jun '26Jul '26

Top vitamin d 20000 iu search terms

  • metagenics d3 10000 with k28K/yr
  • metagenics vitamin d8K/yr
  • metagenics vitamin d38K/yr
  • metagenics d35K/yr
  • metagenics vitamin d3 10 000 k5K/yr
  • vitamin d3 k2 50000iu4K/yr
  • metagenics vitamin d3 10 000+ k2K/yr
  • vitamin d3 20000 iu3K/yr
  • vitamin d3 20000iu7K/yr
  • high dose vitamin d3 k24K/yr
All search terms

Top vitamin d 20000 iu 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.

0%15%$46K30%$92K45%$138K60%$184K1001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 7 tracked products in this niche — three views at once, no toggling.

What buyers say about vitamin d 20000 iu

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

What buyers love

Vitamin35%

“the combination of vitamins is great”

Quality-Overall23%

“Just love the hi quality of this company”

Advertised Vs Actual Product6%

“Arrived as described”

Ease Of Chewing/Swallowing5%

“The capsules are easy to take”

Value For Money3%

“Worth it”

Dosage3%

“the dosage strength was what I was wanting”

Efficiency3%

“Effective and working product”

Acid Regulator/Stomach Ache Relief2%

“they dont bother my stomach”

Side Effects2%

“Dont cause stomach issues”

Immunity Booster2%

“It's great for my immune system”

What buyers complain about

Value For Money16%

“Over priced”

Vitamin16%

“Vitamins appeared old”

Size-Overall8%

“The pills are big”

Dosage7%

“I do not dare to take it”

Smell5%

“Why ruin a good product with this unnecessary scent”

Ingredients-Overall4%

“Ingredients Incorrect”

Functionality-Overall4%

“I'm not sure how it's working”

Adhesion/Stickiness3%

“Make sure pills are not stick together”

Vegan/Organic3%

“Its not GMO free”

Acid Regulator/Stomach Ache Relief3%

“put me on prescription vitamin D. It was so harsh on my stomach I kept getting sick”

Top return reasons

Dosage29%
Vitamin21%
Ease Of Use14%
Ingredients-Overall14%
Adhesion/Stickiness14%
Color7%

Common questions

Is vitamin d 20000 iu profitable to sell on Amazon United States?
The niche generates $307K/yr across 7 tracked products. 90-day search growth is -7.3%. Flapen's verdict: Skip it (45/100).
How competitive is the vitamin d 20000 iu niche?
2 brands and 6 sellers compete. The top 5 products take 91% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in vitamin d 20000 iu?
Top complaints mined from reviews: Value For Money, Vitamin, Size-Overall. The return rate is 0.0%.
What does it cost to enter the vitamin d 20000 iu niche?
Listings span $17.16–$35.95; the average listing price is $27.12 (sweet spot $15–$100). The average incumbent carries 2,277 reviews — the moat a new listing must climb.