Is vitamin d probiotic drops for infants profitable to sell on Amazon United States?

The niche generates $146K/yr across 7 tracked products. 90-day search growth is -28.2%. Flapen's verdict: Skip it (41/100).

How competitive is the vitamin d probiotic drops for infants niche?

5 brands and 31 sellers compete. The top 5 products take 94% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in vitamin d probiotic drops for infants?

Top complaints mined from reviews: Regulates Digestion, Functionality-Overall, Ease Of Use. The return rate is 0.0%.

When does demand for vitamin d probiotic drops for infants peak?

Demand peaks in Sep–Oct–Nov–Dec; the busiest month runs 2.7× the quietest.

What does it cost to enter the vitamin d probiotic drops for infants niche?

Listings span $16.40–$49.63; the average listing price is $25.96 (sweet spot $15–$100). The average incumbent carries 4,250 reviews — the moat a new listing must climb.

vitamin d probiotic drops for infants

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$25.96

avg listing price — sweet spot $15–$100

Price range

Incredible$16.40–$49.63

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

Conversion

Great10.8%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay$146K

$146K/yr · 52K searches

Review moat

Bad4,250.14

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-28.2%

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

Competition

Bad94%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, vitamin d probiotic drops for infants is a $146K/yr Amazon United States market (52K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Sep–Oct–Nov–Dec. Verdict: Skip it — 41/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

vitamin d probiotic drops for infants market data

Units sold / yr: 6K–8K; avg 750–1,000/product
Revenue / yr: $156K–$208K; units × avg price
Conversion rate: 10.8%
Avg BSR: #142
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 84 months
Avg seller age: 160 days

Competition & brand share

The top 5 products capture 94% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

94%

Top 20: 100%

Open market

BioGaia71%
Mommy's Bliss15%
Culturelle7%
Ddrops4%
LOVEBUG2%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -28.2% search growth over the last 90 days.

Peak months: Sep, Oct, Nov, Dec · busiest ÷ quietest = 2.7×

Open Trend

Top vitamin d probiotic drops for infants search terms

biogaia probiotics baby vitamin d18K/yr -51.5%14.3% conv.
biogaia vitamin d9K/yr +15.4%6.1% conv.
vitamin d probiotic drops for infants7K/yr +3.9%16.1% conv.
vitamin d and probiotic drops for infants3K/yr +12.4%17.1% conv.
biogaia vitamin d drops3K/yr +3.3%10.8% conv.
probiotic vitamin d drops for infants3K/yr -15.8%20.6% conv.
bio gaia vitamin d2K/yr -18.4%15.8% conv.
probiotic and vitamin d for baby2K/yr -15.1%17.1% conv.
baby probiotic drops vitamin d5K/yr -75.1%13.9% conv.

All search terms

Top vitamin d probiotic 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 7 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

BioGaia$26.884.6★8,097 rev

BioGaia Immune Active Baby Probiotic Drops + Vitamin D | for Babies & Toddlers 0-36 Months | Supports Digestive & Immune Health | Allergen Dairy Soy & Gluten Free | Backed By 30 Years of Research

BioGaia$19.954.7★1,443 rev

Mommys Bliss Baby Probiotics + Vitamin D Drops Supports Digestive Health & Immune Function* 400IU Vitamin D Supports Bone Development* Newborns+ Flavorless 0.34 Fl Oz (30 Servings)

Mommy's Bliss$24.314.6★2,416 rev

Culturelle Baby Probiotic Drops + Vitamin D Immune & Digestive Health Support for Babies Infants & Newborns 0-12 Months 30 Day Supply Gluten Free & Non-GMO 9ml

Culturelle$24.494.6★6,767 rev

BioGaia Baby Probiotic Drops - Colic & Gas Relief + Vitamin D 50-Day Supply Safe for Newborns Reduces Crying Fussing Colic Gas Spit-ups & Constipation No allergens Dairy or Soy (Pack of 2)

BioGaia$49.634.6★8,097 rev

Newest

by launch date

Ddrops Baby Probiotic with Vitamin D 60 Drops - Colic Symptom Relief for Newborns and Infants - Easy-to-Use Just One Drop Daily No Sugar Non-GMO Allergy-friendy

Ddrops$16.40199 rev

2y ago

BioGaia Immune Active Baby Probiotic Drops + Vitamin D | for Babies & Toddlers 0-36 Months | Supports Digestive & Immune Health | Allergen Dairy Soy & Gluten Free | Backed By 30 Years of Research

BioGaia$19.951,443 rev

2y ago

LOVEBUG Baby Probiotic Drops - Organic Probiotics for Immune Support and Baby Constipation & Colic Relief - Tasteless & Sugar-Free Liquid Drops for Newborns Babies & Infants (0-12 Months) - 10ml

LOVEBUG$20.072,732 rev

6y ago

Culturelle Baby Probiotic Drops + Vitamin D Immune & Digestive Health Support for Babies Infants & Newborns 0-12 Months 30 Day Supply Gluten Free & Non-GMO 9ml

Culturelle$24.496,767 rev

8y ago

Mommys Bliss Baby Probiotics + Vitamin D Drops Supports Digestive Health & Immune Function* 400IU Vitamin D Supports Bone Development* Newborns+ Flavorless 0.34 Fl Oz (30 Servings)

Mommy's Bliss$24.312,416 rev

10y ago

What buyers say about vitamin d probiotic drops for infants

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

What buyers love

Quality-Overall15%

“Excellent product, just as described”

Regulates Digestion14%

“Great for babys digestion”

Vitamin10%

“Great Quality Vitamin D Supplement + Our Spoon-Feeding Tip”

Acid Regulator/Stomach Ache Relief8%

“Helped our little one with tummy troubles”

Ease Of Use8%

“Easy to use”

Nutritional Content6%

“I really love it especially it digestive support and probiotic and dairy wheat gluten, soy, peanut,egg, nuts free I love it”

Value For Money6%

“WORTH EVERY PENNY”

Efficiency4%

“Its very helpful to give both of them in a single try”

Comfort-Overall3%

“Easy and convenient”

Taste-Overall3%

“Our baby doesnt seem to mind the taste at all either”

What buyers complain about

Regulates Digestion14%

“Makes baby gassy”

Functionality-Overall9%

“nothing comes out”

Ease Of Use6%

“cannot get it out without spurting”

Value For Money5%

“it literally is NOT WORTH IT”

Acid Regulator/Stomach Ache Relief5%

“terrible stomach pains”

Allergies5%

“Possible an allergy to it”

Pain Relief-Overall5%

“caused her to be in clear pain unfortunately”

Dosage5%

“they cannot use a smallest bottle for such a small amount. functionality of the dropper”

Color4%

“the color, smell and texture were different”

Taste-Overall4%

“has bad taste”

Top return reasons

Vitamin30%

Functionality-Overall20%

Advertised Vs Actual Product10%

Leak-Proof10%

Ease Of Cleaning10%

Taste-Overall10%

Side Effects5%