probiotic 10 billion
Worth a lookShows low returns (0.0%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Incredible15.6%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$26.96avg listing price — sweet spot $15–$100
Price range
Great$9.71–$59.79cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Great$1.3M$1.3M/yr · 304K searches
Growth
Bad-0.1%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Review moat
Bad19,423.45avg incumbent reviews — the moat a new listing must climb
Competition
Bad83%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, probiotic 10 billion is a $1.3M/yr Amazon United States market (304K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Oct–Nov–Dec. Verdict: Worth a look — 50/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
probiotic 10 billion market data
- Units sold / yr
- 50K–60K
- avg 5,000–6,000/product
- Revenue / yr
- $1.3M–$1.6M
- units × avg price
- Conversion rate
- 15.6%
- Avg BSR
- #256
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 36%
- Out of stock
- 0.0%
- Avg brand age
- 83 months
- Avg seller age
- 152 days
Competition & brand share
The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.Brands
3 rising
Sellers
131
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
83%
Top 20: 100%
Open market
0%
- NOW Foods61%
- Nature's Bounty36%
- Physician's CHOICE2%
Demand & seasonality
Weekly Amazon search volume, last 76 weeks — -0.1% search growth over the last 90 days.Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 8.7×
Top probiotic 10 billion search terms
- natures bounty probiotic 1047K/yr
- probiotic 1056K/yr
- now probiotic59K/yr
- probiotic 10 natures bounty23K/yr
- now probiotic 10 25 billion27K/yr
- natures bounty probiotic 10 ultra strength9K/yr
- now probiotics13K/yr
- probiotic now9K/yr
- nature bounty probiotic 105K/yr
- natures bounty ultra strength probiotic 105K/yr
Top probiotic 10 billion 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.
All 11 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
NOW Foods Supplements Probiotic-10 25 Billion with 10 Probiotic Strains Dairy Soy and Gluten Free Strain Verified 100 Veg Capsules
NOW Foods$21.894.6★14,922 rev

Natures Bounty Ultra Strength Probiotic 10 140 Capsules
Nature's Bounty$59.794.9★478 rev

NOW Foods Supplements Probiotic-10 25 Billion with 10 Probiotic Strains Dairy Soy and Gluten Free Strain Verified 50 Veg Capsules
NOW Foods$14.294.6★14,922 rev

Natures Bounty Probiotic 10 Daily Probiotic Supplement for Digestive Immune and Upper Respiratory Support Ultra Strength 30 Capsules 1 Pack
Nature's Bounty$12.234.7★14,632 rev

Natures Bounty Ultra Strength Probiotic 10 70 Capsules
Nature's Bounty$29.434.8★3,467 rev
Newest
by launch date
Natures Bounty Ultra Strength Probiotic 10 70 Capsules
Nature's Bounty$29.433,467 rev

Natures Bounty Probiotic 10 Daily Probiotic Supplement for Digestive Immune and Upper Respiratory Support Ultra Strength 30 Capsules 1 Pack
Nature's Bounty$12.2314,632 rev

NOW Foods Supplements Probiotic-10 100 Billion with 10 Probiotic Strains Dairy Soy and Gluten Free Strain Verified 60 Veg Capsules
NOW Foods$38.452,172 rev

Physicians CHOICE Probiotics 60 Billion CFU - 10 Strains + Organic Prebiotics - Immune Digestive & Gut Health - Supports Occasional Constipation Diarrhea Gas & Bloating - for Women & Men - 30ct
Physician's CHOICE$23.28143,751 rev

NOW Foods Supplements Probiotic-10 25 Billion with 10 Probiotic Strains Dairy Soy and Gluten Free Strain Verified 30 Veg Capsules
NOW Foods$9.7114,922 rev
Trending
90-day click momentum
Natures Bounty Ultra Strength Probiotic 10 140 Capsules
Nature's Bounty$59.794.9★

Now Foods Probiotic-10 25 Billion 100 Count (Pack of 2)
NOW Foods$49.334.7★

NOW Foods Supplements Probiotic-10 25 Billion with 10 Probiotic Strains Dairy Soy and Gluten Free Strain Verified 30 Veg Capsules
NOW Foods$9.714.6★

NOW Foods Supplements Probiotic-10 25 Billion with 10 Probiotic Strains Dairy Soy and Gluten Free Strain Verified 100 Veg Capsules
NOW Foods$21.894.6★

NOW Foods Supplements Womens Probiotic 20 Billion Specially Formulated using Three Clinically Tested Probiotic Strains 50 Veg Capsules
NOW Foods$13.694.6★
What buyers say about probiotic 10 billion
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent Product”
“The best probiotic ever”
“Less digestive issues”
“Effective for me”
“Great deal”
“Helps with stomach issues”
“Arrived as described”
“Easy on the stomach”
“Ease of use”
“No wild side effects”
What buyers complain about
“Not very effective”
“Severe stomach pain”
“I have a lot of trouble with my digestive system”
“Waste of money”
“Bad side effects”
“The lower dosage did not work as well”
“No taste and doesnt upset stomach”
“Allergic reaction”
“I am not comfortable knowing this pills could have fermented”
“Caused insomnia”
Top return reasons
Common questions
- Is probiotic 10 billion profitable to sell on Amazon United States?
- The niche generates $1.3M/yr across 11 tracked products. 90-day search growth is -0.1%. Flapen's verdict: Worth a look (50/100).
- How competitive is the probiotic 10 billion niche?
- 3 brands and 131 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in probiotic 10 billion?
- Top complaints mined from reviews: Functionality-Overall, Acid Regulator/Stomach Ache Relief, Regulates Digestion. The return rate is 0.0%.
- When does demand for probiotic 10 billion peak?
- Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 8.7× the quietest.
- What does it cost to enter the probiotic 10 billion niche?
- Listings span $9.71–$59.79; the average listing price is $26.96 (sweet spot $15–$100). The average incumbent carries 19,423 reviews — the moat a new listing must climb.