Skip to content
56

Kids Vitamin D

Worth a look

Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 67Growth 21Conversion 79Competition 56Returns 100Price range 66Avg price 79Brand share 58Review moat 36Quality gap 19

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Great8.0%

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

Avg price

Great$16.65

avg listing price — sweet spot $15–$100

Market size

Good$673K

$673K/yr · 508K searches

Price range

Good$8.72–$27.20

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

Brand share

Good70%

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

Competition

Good51%

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

Review moat

Okay2,902.09

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-7.2%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Is kids vitamin d profitable on Amazon?

According to Flapen's Amazon United States niche tracking, kids vitamin d is a $673K/yr Amazon United States market (508K searches/yr). The top 5 brands hold 70% of demand. Demand peaks in Jan. Verdict: Worth a look — 56/100.

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

kids vitamin d market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.
Units sold / yr
50K–60K
avg 2,000–2,500/product
Revenue / yr
$833K–$999K
units × avg price
Conversion rate
8.0%
Avg BSR
#120
Page quality
0%
Prime
100%
Sponsored
91%
Out of stock
0.0%
Avg brand age
80 months
Avg seller age
154 days

Competition: brands, sellers & click share

The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.

Brands

16 falling

Sellers

587

Top-5 brand share

70%

Top 20: 100%

Top-5 click share

51%

Top 20: 98%

Open market

25%

  • Mama Bear23%
  • MARYRUTH'S21%
  • Nordic Naturals13%
  • Llama Naturals8%
  • Renzo's6%
  • The Feel Great Vitamin Company5%

kids vitamin d demand & seasonality

Weekly Amazon search volume, last 104 weeks — -7.2% search growth over the last 90 days.
15K10KSpike '25Prime Day '25SepDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 1.7×

Top kids vitamin d search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.
  • kids vitamin d129K/yr
  • vitamin d for kids111K/yr
  • vitamin d kids75K/yr
  • vitamin d3 for kids22K/yr
  • vitamin d gummies for kids25K/yr
  • kids vitamin d317K/yr
  • kids vitamin d gummies16K/yr
  • vitamin d3 kids18K/yr
  • vitamin d for kids 6-12 years14K/yr
  • kid vitamin d9K/yr
All search terms

Top kids vitamin d products & what they sell for

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

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$67K20%$135K30%$202K40%$269K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 22 tracked products in this niche — three views at once, no toggling.

What reviews say buyers love and hate about kids vitamin d

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

What buyers love

Vitamin25%

“Quality vitamins”

Taste-Overall22%

“No complaints about taste”

Quality-Overall7%

“high-quality supplement to keep my daily vitamins in check”

Flavor6%

“Easy to chew and flavorful”

Ease Of Use4%

“Easy to use”

Value For Money4%

“Good value”

Sweetness3%

“Sweet gum, kids love it”

Advertised Vs Actual Product3%

“As described”

Ease Of Chewing/Swallowing2%

“Easy to chew”

Nutritional Content2%

“meet all their nutritional needs”

What buyers complain about

Taste-Overall19%

“tastes like chemicals”

Vitamin9%

“All vitamins had melted”

Sweetness7%

“Too Sweet”

Value For Money5%

“expensive”

Adhesion/Stickiness4%

“A Disappointing Sticky Mass”

Flavor4%

“Not a good flavor”

Artificial Sweeteners3%

“a lot of sugar inside”

Ease Of Use2%

“basically impossible to pry out of the bottle”

Stale/Rotten/Spoiled2%

“Mold in product”

Texture/Consistency-Overall2%

“Weird texture, tastes like chemicals”

Top return reasons

Vitamin15%
Taste-Overall15%
Artificial Sweeteners8%
Value For Money8%
Dosage8%
Sweetness8%
Size-Overall8%
Leak-Proof8%
Regulates Digestion4%
Acid Regulator/Stomach Ache Relief4%

Common kids vitamin d questions

Is kids vitamin d profitable to sell on Amazon United States?
The niche generates $673K/yr across 22 tracked products. 90-day search growth is -7.2%. Flapen's verdict: Worth a look (56/100).
How competitive is the kids vitamin d niche?
16 brands and 587 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 70% of demand.
What do buyers complain about in kids vitamin d?
Top complaints mined from reviews: Taste-Overall, Vitamin, Sweetness. The return rate is 0.0%.
When does demand for kids vitamin d peak?
Demand peaks in Jan; the busiest month runs 1.7× the quietest.
What does it cost to enter the kids vitamin d niche?
Listings span $8.72–$27.20; the average listing price is $16.65 (sweet spot $15–$100). The average incumbent carries 2,902 reviews — the moat a new listing must climb.