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51

vitamin d drops for infants

Worth a look

Shows low returns (0.0%), but a concentrated shelf (top 5 take 83% of clicks) keeps it on the watch list.

Market size 96Growth 26Conversion 99Competition 14Returns 100Price range 51Avg price 61Brand share 22Review moat 23Quality gap 18

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible18.4%

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

Market size

Incredible$3.5M

$3.5M/yr · 1.4M searches

Avg price

Good$13.26

avg listing price — sweet spot $15–$100

Price range

Good$8.91–$21.24

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

Growth

Okay+1.2%

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

Review moat

Bad8,436.78

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad91%

top-5 brand share — brand-locked demand

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Competition

Bad83%

top-5 click share — a locked-up shelf

According to Flapen's Amazon United States niche tracking, vitamin d drops for infants is a $3.5M/yr Amazon United States market (1.4M searches/yr). The top 5 brands hold 91% of demand. Verdict: Worth a look — 51/100.

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

vitamin d drops for infants market data

Units sold / yr
250K–300K
avg 25,000–30,000/product
Revenue / yr
$3.3M–$4.0M
units × avg price
Conversion rate
18.4%
Avg BSR
#211
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
0.0%
Avg brand age
96 months
Avg seller age
158 days

Competition & brand share

The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.

Brands

7 falling

Sellers

518

Top-5 brand share

91%

Top 20: 100%

Top-5 click share

83%

Top 20: 100%

Open market

4%

  • Mommy's Bliss40%
  • Ddrops21%
  • Zarbee's16%
  • Enfamil8%
  • MARYRUTH'S5%
  • Genexa5%
  • Open — no brand owns it (1 brand, 4%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +1.2% search growth over the last 90 days.
35K25KSpike '25Prime Day '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Top vitamin d drops for infants search terms

  • vitamin d drops for infants616K/yr
  • baby vitamin d drops157K/yr
  • infant vitamin d drops104K/yr
  • vitamin d drops baby98K/yr
  • vitamin d baby49K/yr
  • baby vitamin d48K/yr
  • vitamin d for baby47K/yr
  • vitamin d baby drops47K/yr
  • mommys bliss vitamin d33K/yr
  • vitamin d infant drops27K/yr
All search terms

Top vitamin d drops for infants 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%10%$348K20%$696K30%$1.0M40%$1.4M1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 9 tracked products in this niche — three views at once, no toggling.

What buyers say about vitamin d drops for infants

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

What buyers love

Ease Of Use25%

“Easy peasy”

Vitamin19%

“The best vitamins for my baby”

Quality-Overall12%

“Good product, reliable”

Dosage4%

“the dropper makes dosing accurate”

Taste-Overall4%

“It doesnt seem to change the taste of the milk so she drinks it just fine”

Value For Money4%

“Good price”

Vegan/Organic2%

“I like the usda organic certification”

Dispensing Mechanism2%

“that makes it really easy to administer”

Ingredients-Overall2%

“I love the clean ingredients”

Efficiency2%

“efficient”

What buyers complain about

Leak-Proof16%

“Constantly leaking”

Taste-Overall9%

“They are completely tasteless”

Vitamin4%

“Ive bought vitamin D drops for all three of my babies, and these are by far the worst”

Design-Overall4%

“Poor drop design”

Functionality-Overall3%

“Does not seem to work for us”

Oily/Greasy3%

“the bottle tends to get a bit oily”

Durability3%

“The bottle does not last 90 days”

Flavor3%

“baby hates the cherry flavor”

Advertised Vs Actual Product3%

“Bottle is different from the box”

Ease Of Use3%

“So hard to get one drop out”

Top return reasons

Age Suitability14%
Functionality-Overall14%
Advertised Vs Actual Product14%
Leak-Proof14%
Vitamin14%
Value For Money7%
Dispensing Mechanism7%
Compatibility-Overall7%
Oily/Greasy7%

Common questions

Is vitamin d drops for infants profitable to sell on Amazon United States?
The niche generates $3.5M/yr across 9 tracked products. 90-day search growth is +1.2%. Flapen's verdict: Worth a look (51/100).
How competitive is the vitamin d drops for infants niche?
7 brands and 518 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 91% of demand.
What do buyers complain about in vitamin d drops for infants?
Top complaints mined from reviews: Leak-Proof, Taste-Overall, Vitamin. The return rate is 0.0%.
When does demand for vitamin d drops for infants peak?
Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the vitamin d drops for infants niche?
Listings span $8.91–$21.24; the average listing price is $13.26 (sweet spot $15–$100). The average incumbent carries 8,437 reviews — the moat a new listing must climb.