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vitamin d

Skip it

Soft demand (-14.8% this quarter) — this niche doesn't clear our bar today.

Market size 52Growth 18Conversion 26Competition 27Returns 97Price range 49Avg price 84Brand share 44Review moat 25Quality gap 52

Returns

Incredible0.5%

return rate — above 5% kills the launch gate

Avg price

Great$74.37

avg listing price — sweet spot $15–$100

Market size

Good$329K

$329K/yr · 216K searches

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Price range

Okay$28.55–$174.42

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

Brand share

Okay79%

top-5 brand share — brands hold most of the demand

Competition

Okay69%

top-5 click share — leaders hold, buyers still browse

Conversion

Okay2.1%

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

Review moat

Bad4,887.47

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-14.8%

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

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.

Data updated Jul 25, 2026 · scored weekly · How we score niches

vitamin d market data

Units sold / yr
3K–4K
avg 100–250/product
Revenue / yr
$223K–$297K
units × avg price
Conversion rate
2.1%
Avg BSR
#31
Page quality
0%
Prime
80%
Sponsored
0%
Out of stock
8.4%
Avg brand age
61 months
Avg seller age
65 days

Competition & brand share

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

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%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -14.8% search growth over the last 90 days.
6K4KHoliday '24Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Top vitamin d search terms

  • 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
All search terms

Top vitamin d 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%5%$16K10%$33K15%$49K20%$66K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

What buyers say about vitamin d

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

What buyers love

الجودة الشاملة50%

“Excellent quality”

المحتوى الغذائي25%

“Great for bone supplement”

قوة13%

“Effective”

What buyers complain about

متعلق بالشعر50%

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

Common questions

Is vitamin d profitable to sell on Amazon Saudi Arabia?
The niche generates $329K/yr across 15 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -14.8%. Flapen's verdict: Skip it (44/100).
How competitive is the vitamin d niche?
13 brands and 48 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 79% of demand.
What do buyers complain about in vitamin d?
Top complaints mined from reviews: متعلق بالشعر. The return rate is 0.5%.
When does demand for vitamin d peak?
Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the vitamin d niche?
Listings span $28.55–$174.42; the average listing price is $74.37 (sweet spot $15–$100). The average incumbent carries 4,887 reviews — the moat a new listing must climb.