Is liquid probiotic for kids profitable to sell on Amazon United States?

The niche generates $40K/yr across 17 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -13.9%. Flapen's verdict: Skip it (38/100).

How competitive is the liquid probiotic for kids niche?

10 brands and 590 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 92% of demand.

What do buyers complain about in liquid probiotic for kids?

Top complaints mined from reviews: Taste-Overall, Flavor, Solubility. The return rate is 0.0%.

When does demand for liquid probiotic for kids peak?

Demand is steady year-round — the busiest month runs 1.5× the quietest.

What does it cost to enter the liquid probiotic for kids niche?

Listings span $10.01–$30.85; the average listing price is $19.33 (sweet spot $15–$100). The average incumbent carries 5,056 reviews — the moat a new listing must climb.

Liquid Probiotic for Kids

Skip it

A small market ($40K/yr) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$19.33

avg listing price — sweet spot $15–$100

Price range

Great$10.01–$30.85

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

Conversion

Good5.0%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Competition

Bad71%

top-5 click share — a locked-up shelf

Review moat

Bad5,055.71

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad92%

top-5 brand share — brand-locked demand

Growth

Bad-13.9%

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

Market size

Bad$40K

$40K/yr · 41K searches

Is liquid probiotic for kids profitable on Amazon?

According to Flapen's Amazon United States niche tracking, liquid probiotic for kids is a $40K/yr Amazon United States market (41K searches/yr). The top 5 brands hold 92% of demand. Verdict: Skip it — 38/100.

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

liquid probiotic for kids market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 3K–4K; avg 100–250/product
Revenue / yr: $58K–$77K; units × avg price
Conversion rate: 5.0%
Avg BSR: #253
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 5.9%
Avg brand age: 77 months
Avg seller age: 147 days

Competition: brands, sellers & click share

The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 rising

Sellers

590

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

71%

Top 20: 100%

Open market

MARYRUTH'S54%
Healthy Genetics25%
DR. BO6%
Culturelle6%
Garden of Life2%
BioGaia2%
Open — no brand owns it (4 brands, 6%)

liquid probiotic for kids demand & seasonality

Weekly Amazon search volume, last 104 weeks — -13.9% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.5×

Open Trend

Top liquid probiotic for kids search terms shoppers use

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

liquid probiotic kids7K/yr -3.5%4.3% conv.
probiotics for kids liquid7K/yr +12.8%2.5% conv.
probiotic drops for kids6K/yr +23.5%3.0% conv.
kids probiotic drops8K/yr -31.0%8.7% conv.
kids liquid probiotic4K/yr -36.0%8.3% conv.
kids probiotic liquid5K/yr -48.6%9.5% conv.
liquid probiotic for kids4K/yr -17.2%7.4% conv.

All search terms

Top liquid probiotic for kids 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.

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

All 17 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Healthy Genetics$16.674.7★721 rev

MARYRUTH'S$12.114.4★707 rev

MARYRUTH'S$27.684.3★13,301 rev

MARYRUTH'S$17.844.3★13,301 rev

MARYRUTHS Organics Kids Very Berry Liquid Probiotic 2 FZ

MARYRUTH'S$23.594.5★153 rev

Newest

by launch date

Kids Probiotic Liquid Drops Organic - Organic Probiotics for Kids Probiotics Age 4+ Digestive Health Immune Support Flora Gut Health Supplements - Vegan Kid Liquid Probiotic Drops Non-GMO 1 Fl Oz

DR. BO$10.0161 rev

5mo ago

Hiya Kids Probiotic 10 Billion CFU with Clinically-Studied Strains for Ages 2+ Supports Gut Health & Immune 0g Sugar 20 Stick Packs for Toddlers & Kids

HIYA$29.9169 rev

8mo ago

MARYRUTHS Organics Kids Very Berry Liquid Probiotic 2 FZ

MARYRUTH'S$23.59153 rev

2y ago

BioGaia$19.96476 rev

2y ago

MARYRUTH'S$12.11707 rev

3y ago

What reviews say buyers love and hate about liquid probiotic for kids

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

What buyers love

Quality-Overall13%

“Excellent Product”

Nutritional Content12%

“Best baby probiotic”

Regulates Digestion11%

“their digestion seems more balanced”

Ease Of Use8%

“Easy to Use”

Value For Money6%

“Best price”

Taste-Overall4%

“The taste is easy to handle”

Efficiency4%

“Did it's job very well”

Vegan/Organic3%

“Clean organic formula easy to use”

Acid Regulator/Stomach Ache Relief3%

“Definitely helps my childs sensitive stomach and also his mood”

Ingredients-Overall2%

“Clean ingredients”

What buyers complain about

Taste-Overall18%

“Tastes terrible”

Flavor5%

“Not a flavor my kids like”

Solubility4%

“Does not dissolve well”

Value For Money4%

“Expensive”

Smell3%

“then had mucousy smelly poos every few days for the following two weeks”

Oily/Greasy3%

“they leave bottles oily feeling”

Nutritional Content2%

“The worst probiotic in every way”

Regulates Digestion2%

“My son had persistent diarrhea”

Advertised Vs Actual Product2%

“Its false advertising”

Dilute/Watery2%

“its usually very clear liquid”

Top return reasons

Age Suitability30%

Value For Money20%

Taste-Overall13%

Ingredients-Overall10%

Product Condition7%

Joint Pain7%

Advertised Vs Actual Product7%

Residue7%

Common liquid probiotic for kids questions

Is liquid probiotic for kids profitable to sell on Amazon United States?: The niche generates $40K/yr across 17 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -13.9%. Flapen's verdict: Skip it (38/100).
How competitive is the liquid probiotic for kids niche?: 10 brands and 590 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 92% of demand.
What do buyers complain about in liquid probiotic for kids?: Top complaints mined from reviews: Taste-Overall, Flavor, Solubility. The return rate is 0.0%.
When does demand for liquid probiotic for kids peak?: Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the liquid probiotic for kids niche?: Listings span $10.01–$30.85; the average listing price is $19.33 (sweet spot $15–$100). The average incumbent carries 5,056 reviews — the moat a new listing must climb.