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Vitamin D 2000iu

prices mostly outside the sweet spot ($4.55–$13.31) — Vitamin D 2000iu doesn't clear our bar today.

Flapen Score

32
Skip it
Market size 24Growth 8Conversion 97Competition 11Returns 100Price range 0Avg price 21Brand share 18Review moat 23Quality gap 21
This niche Category average

Is Vitamin D 2000iu profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Vitamin D 2000iu is a £97K/yr Amazon United Kingdom market (79K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Jan–Feb–Mar. Verdict: Skip it — 32/100.

Vitamin D 2000iu: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -34.0% over the last 90 days and 15.9% of searches end in a purchase.

£97K

revenue / yr

Units sold / yr15K
Search volume / yr-34.0%79K
Conversion rate15.9%
Avg price£7.72

Who owns the niche?

The top 5 brands hold 93% of demand, so 7% of the market is open.

7%

open market share

Brands · sellers8 · 52
Top-5 product click share87%
Open market7%
Avg brand age62 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.7★ — the gap to enter on.

0/100

page quality · 9 products

Sponsored placement100%
New entrants (1y)1· 1 succeeded
Avg rating4.7★
Avg reviews7,673

Top Vitamin D 2000iu 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 capture 87% of clicks — a locked-up shelf that new listings rarely crack.

£0£10K£19K£29K£39K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

8 flat

Sellers

52

Top-5 brand share

93%

Top 20: 100%

Top-5 click share

87%

Top 20: 100%

Open market

4%

  • Vitabiotics Ultra29%
  • WeightWorld29%
  • 417%
  • VitaPremium12%
  • Royal Oak Health6%
  • Igennus Healthcare Nutrition3%
  • Open — no brand owns it (2 brands, 4%)

Vitamin D 2000iu demand & seasonality

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

Volume79KCVR15.9%Products9Brands8Top 5 Brands93%OOS Rate0.0%Rating4.7★Reviews7,673Avg BSR#97
10K6KSpike '24Holiday '24Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Mar · busiest ÷ quietest = 5.3×

Top Vitamin D 2000iu search terms shoppers use

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

  • vitamin d 2000iu31K/yr
  • vitamin d3 2000iu25K/yr
  • vitamin d 200011K/yr
  • vitamin d 2000 iu6K/yr
  • vitamin d3 2000 iu4K/yr
  • vitamin d3 20003K/yr

What reviews say buyers love and hate about Vitamin D 2000iu

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

What buyers love

84% of reviews
Value For Money19%

Good price

Vitamin18%

great vitamin

Quality-Overall17%

Good quality and easy to swallow

Ease Of Chewing/Swallowing13%

Easy to swallow

Advertised Vs Actual Product5%

As advertised

What buyers complain about

55% of reviews
Dosage10%

it looks as if the dosage is very high

Size-Overall10%

Packet is very tiny

Vitamin9%

Not the right type of Vitamin D for me I guess

Nutritional Content5%

Other products in the Nutrition Geeks line are a scam

Language Issues4%

At first I was disappointed to find that all the text on the container was in another language, however Ive now found that the label can be peeled back for details in English and other languages

Vitamin D 2000iu 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 D 2000iu questions

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

Flapen scores Vitamin D 2000iu 32/100 on Amazon United Kingdom — Skip it. The niche generates £97K/yr across 9 tracked products. 1 of 1 products launched in the last 360 days are still selling. Search demand moved -34.0% over the last 90 days.
Search demand for Vitamin D 2000iu on Amazon United Kingdom peaks in Jan–Feb–Mar, where the busiest month runs 5.3× the quietest.