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Vitamin D3 10000 Iu

soft demand (-45.6% this quarter) — Vitamin D3 10000 Iu doesn't clear our bar today.

Flapen Score

37
Skip it
Market size 13Growth 2Conversion 77Competition 27Returns 100Price range 56Avg price 67Brand share 38Review moat 23Quality gap 24
This niche Category average

Is Vitamin D3 10000 Iu profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Vitamin D3 10000 Iu is a £51K/yr Amazon United Kingdom market (49K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Oct. Verdict: Skip it — 37/100.

Vitamin D3 10000 Iu: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -45.6% over the last 90 days and 7.5% of searches end in a purchase.

£51K

revenue / yr

Units sold / yr4K
Search volume / yr-45.6%49K
Conversion rate7.5%
Avg price£14.01

Who owns the niche?

The top 5 brands hold 82% of demand, so 18% of the market is open.

18%

open market share

Brands · sellers11 · 57
Top-5 product click share69%
Open market18%
Avg brand age60 months

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 · 13 products

Sponsored placement100%
New entrants (1y)0· 0 succeeded
Avg rating4.6★
Avg reviews6,977

Top Vitamin D3 10000 Iu products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

£0£5K£10K£15K£21K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

11 falling

Sellers

57

Top-5 brand share

82%

Top 20: 100%

Top-5 click share

69%

Top 20: 100%

Open market

14%

  • Healthy Origins41%
  • NOW17%
  • BioImpact9%
  • Nutrition Geeks9%
  • Vortexonix7%
  • NUTRALIE4%
  • Open — no brand owns it (5 brands, 14%)

Vitamin D3 10000 Iu demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume49KCVR7.5%Products13Brands11Top 5 Brands82%OOS Rate9.0%Rating4.6★Reviews6,977Avg BSR#108
3K2KSpike '24Spike '25DecMarJunAugNovMarMay

Peak months: Oct · busiest ÷ quietest = 2.3×

Top Vitamin D3 10000 Iu search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • vitamin d3 10000 iu16K/yr
  • vitamin d 10000iu14K/yr
  • vitamin d 100006K/yr
  • vitamin d 10000iu high strength4K/yr
  • d3 10000 iu3K/yr
  • vitamin d3 10000iu4K/yr
  • vit d3 10000iu2K/yr

What reviews say buyers love and hate about Vitamin D3 10000 Iu

What buyers mention most, as a share of all reviews.

What buyers love

82% of reviews
Quality-Overall18%

the capsules feel high quality

Value For Money17%

Good Value

Vitamin17%

Healthy vitamin

Ease Of Chewing/Swallowing13%

easy to consume with meal

Advertised Vs Actual Product6%

As advertised

What buyers complain about

58% of reviews
Dosage13%

it looks as if the dosage is very high

Size-Overall10%

Large capsules

Vitamin9%

Not the right type of Vitamin D for me I guess

Taste-Overall6%

It doesnt have a funny taste

Functionality-Overall5%

Not working

Vitamin D3 10000 Iu return rate & reasons

Why buyers send it back, as a share of all return requests.

0.1%

Return rate

0%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Vitamin
100%

Common Vitamin D3 10000 Iu questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Vitamin D3 10000 Iu 37/100 on Amazon United Kingdom — Skip it. The niche generates £51K/yr across 13 tracked products. Search demand moved -45.6% over the last 90 days.
Search demand for Vitamin D3 10000 Iu on Amazon United Kingdom peaks in Oct, where the busiest month runs 2.3× the quietest.