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Vitamin D

soft demand (-14.8% this quarter) — Vitamin D doesn't clear our bar today.

Flapen Score

44
Skip it

Ranks 120 of 184 Health niches · −4 vs the category median of 48

Market size 52Growth 18Conversion 26Competition 27Returns 97Price range 49Avg price 84Brand share 44Review moat 25Quality gap 52
This niche Category average · 184 niches

Is Vitamin D profitable on Amazon?

According to Flapen's Amazon Saudi Arabia niche tracking, Vitamin D is a $329K/yr Amazon Saudi Arabia market (216K searches/yr). The top 5 brands hold 79% of demand. Verdict: Skip it — 44/100.

Vitamin D: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -14.8% over the last 90 days and 2.1% of searches end in a purchase.

$329K

revenue / yr

Units sold / yr4K
Search volume / yr-14.8%216K
Conversion rate2.1%
Avg price$74.37

Who owns the niche?

The top 5 brands hold 79% of demand, so 21% of the market is open.

21%

open market share

Brands · sellers13 · 48
Top-5 product click share69%
Open market21%
Avg brand age61 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.4★ — the gap to enter on.

0/100

page quality · 15 products

Sponsored placement0%
New entrants (1y)1· 0 succeeded
Avg rating4.4★
Avg reviews4,887

Top Vitamin D 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$16K$33K$49K$66K1101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

13 falling

Sellers

48

Top-5 brand share

79%

Top 20: 100%

Top-5 click share

69%

Top 20: 100%

Open market

18%

  • Essential D325%
  • NOW21%
  • biodal17%
  • Futurebiotics9%
  • Life Extension7%
  • Nutricost4%
  • Open — no brand owns it (7 brands, 18%)

Vitamin D demand & seasonality

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

Volume216KCVR2.1%Products15Brands13Top 5 Brands79%OOS Rate8.4%Rating4.4★Reviews4,887Avg BSR#31
6K4KHoliday '24Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Top Vitamin D search terms shoppers use

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

  • فيتامين د71K/yr
  • vitamin d59K/yr
  • vitamin d327K/yr
  • فيتامين دال19K/yr
  • فيتامين د 500008K/yr
  • vitamin d 50000 iu7K/yr
  • فيتامين دال 500006K/yr
  • vitamin d3 50000 iu5K/yr
  • vitamin d 500005K/yr
  • فتامين دال4K/yr

What reviews say buyers love and hate about Vitamin D

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

What buyers love

88% of reviews
الجودة الشاملة50%

Excellent quality

المحتوى الغذائي25%

Great for bone supplement

قوة13%

Effective

What buyers complain about

50% of reviews
متعلق بالشعر50%

I was losing my hair due to insufficient vitamin D. I used this product

Common Vitamin D questions

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

Flapen scores Vitamin D 44/100 on Amazon Saudi Arabia — Skip it. The niche generates $329K/yr across 15 tracked products. 0 of 1 products launched in the last 360 days are still selling. Search demand moved -14.8% over the last 90 days.
Search demand for Vitamin D on Amazon Saudi Arabia is steady year-round — the busiest month runs 1.4× the quietest.

Best Flapen score

The highest-scoring niches we track right now, across every category.