---
title: "Acidophilus Probiotic — $1.3M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/acidophilus-probiotic"
last_updated: "2026-08-06T18:35:29.904Z"
locale: en
meta:
description: "Niche score 58/100 · $1.3M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 58/100 · $1.3M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Acidophilus Probiotic — $1.3M/yr Amazon US Niche (2026) - Flapen"
---
# **acidophilus probiotic**
**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 83Growth 23Conversion 96Competition 52Returns 100Price range 83Avg price 78Brand share 36Review moat 18Quality gap 21
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****13.5%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Great****$1.3M**
$1.3M/yr · 607K searches
**Price range**
**Great****$6.72–$59.79**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Great****$16.24**
avg listing price — sweet spot $15–$100
**Competition**
**Good****54%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****83%**
top-5 brand share — brands hold most of the demand
**Growth**
**Bad****-4.0%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****16,195.27**
avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, acidophilus probiotic is a $1.3M/yr Amazon United States market (607K searches/yr). The top 5 brands hold 83% of demand. Verdict: Worth a look — 58/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **acidophilus probiotic market data**
- **Units sold / yr**
- **80K–100K**
- avg 4,000–5,000/product
- **Revenue / yr**
- **$1.3M–$1.6M**
- units × avg price
- **Conversion rate**
- **13.5%**
- **Avg BSR**
- **#313**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **64%**
- **Out of stock**
- **0.4%**
- **Avg brand age**
- **91 months**
- **Avg seller age**
- **146 days**
## **Competition & brand share**
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**12 **▲rising
**Sellers**
**171**
**Top-5 brand share**
**83%**
Top 20: 100%
**Top-5 click share**
**54%**
Top 20: 97%
**Open market**
**13%**
- Nature's Bounty50% - Vitamatic13% - NOW Foods10% - Carlyle5% - Puritan's Pride5% - Physician's CHOICE4% - Open — no brand owns it (6 brands, 13%)
## **Demand & seasonality**
Weekly Amazon search volume, last 103 weeks — -4.0% search growth over the last 90 days.
15K10KSpike '25Spike '26 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/health-household/acidophilus-probiotic/trend)
## **Top acidophilus probiotic search terms**
- **acidophilus probiotic**231K/yr-0.1%9.8% conv. - **natures bounty probiotic**121K/yr-14.9%6.3% conv. - **acidophilus**81K/yr+2.2%8.7% conv. - **probiotic natures bounty**26K/yr+13.0%3.8% conv. - **nature bounty probiotic**23K/yr-28.8%5.1% conv. - **probiotic acidophilus**15K/yr+16.3%6.3% conv. - **natures bounty probiotics**14K/yr+21.9%4.2% conv. - **acidophilus probiotics for women**21K/yr-14.8%4.0% conv. - **acidophilus capsules**14K/yr+31.0%6.5% conv. - **probiotics natures bounty**10K/yr-1.2%3.5% conv. [**All search terms **](https://flapen.com/research/us/health-household/acidophilus-probiotic/search-terms)
## **Top acidophilus probiotic 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%$133K20%$265K30%$398K40%$531K1001K10K100K1.0M Reviews — right = deep review moatMarket 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.
### **Top sellers**
by 90-day click share
[1**Natures Bounty Lactobacillus Acidophilus Probiotic Supplement - Daily Probiotic for Women/Men Digestive Health 100 Million Organisms Vegetarian 1 Serving per Day 120 Tablets**Nature's Bounty**$6.72**4.6★78,050 rev](https://www.amazon.com/dp/B0014CVXMW) [2**Vitamatic Acidophilus Probiotic - 10 Billion CFU - 5X Potency - Daily Probiotic Supplement Supports Digestive Health - 120 Tablets**Vitamatic**$9.75**4.7★1,301 rev](https://www.amazon.com/dp/B0CTQ7H51F) [3**Natures Bounty Acidophilus Probiotic Daily Probiotic Supplement Digestive Health 200 Tablets Twin Pack**Nature's Bounty**$9.88**4.6★78,050 rev](https://www.amazon.com/dp/B004JO3JTM) [4**NOW Foods Supplements Acidophilus Two Billion Strain Verified Healthy Intestinal Flora* 100 Veg Capsules**NOW Foods**$8.27**4.7★5,880 rev](https://www.amazon.com/dp/B0014LYNKM) [5**Puritans Pride Daily Probiotic Acidophilus 100 Million Live Cultures Dietary Supplement for Digestive Gut and Immune Health Soy Sodium and Gluten Free 8 Month Supply 250 Tablets**Puritan's Pride**$9.25**4.6★3,009 rev](https://www.amazon.com/dp/B004R68ZQ4)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Natures Bounty Pre + Pro + Postbiotic Gummies for Digestive Health Immune Support - Probiotic Gummies for Gut Health Tropical Mango Flavor 30 Ct**Nature's Bounty**$16.94**306 rev1y ago](https://www.amazon.com/dp/B0DX8MM6N6) [**Lactobacillus Acidophilus Probiotic 240 Tablets (4 Month Supply) Researched Strain LA85 3 Billion CFU Digestive Health & Microbiome Support GMP Certified (240 Lactobacillus Acidophilus)**Natural Foundation Supplements**$9.95**431 rev2y ago](https://www.amazon.com/dp/B0CWVL9L5R) [**Vitamatic Acidophilus Probiotic - 10 Billion CFU - 5X Potency - Daily Probiotic Supplement Supports Digestive Health - 120 Tablets**Vitamatic**$9.75**1,301 rev2y ago](https://www.amazon.com/dp/B0CTQ7H51F) [**Carlyle Acidophilus Probiotic Capsules for Women and Men | 500 Million CFU**Carlyle**$9.98**944 rev3y ago](https://www.amazon.com/dp/B0BN6X5Q8G) [**Carlyle Acidophilus Probiotic for Women & Mens Digestive Health**Carlyle**$7.74**278 rev3y ago](https://www.amazon.com/dp/B0BN6W2N6C)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Carlyle Acidophilus Probiotic for Women & Mens Digestive Health**Carlyle**$7.74**4.5★**▲ 200%**](https://www.amazon.com/dp/B0BN6W2N6C) [**Natures Bounty Ultra Strength Probiotic 10 140 Capsules**Nature's Bounty**$59.79**4.9★**▲ 160%**](https://www.amazon.com/dp/B01KY2U7CE) [**Swanson Lactobacillus Acidophilus Probiotic for Adults Seeking Daily Digestive and Bowel Health Support with 1 Billion CFU - Acid-Resistant (250 Capsules)**Swanson**$13.23**4.7★**▲ 112%**](https://www.amazon.com/dp/B07F92LQHL) [**Natures Bounty Acidophilus Probiotic 2 Billion 150 caplets**Nature's Bounty**$29.01**4.6★**▲ 70%**](https://www.amazon.com/dp/B00FGOZT9W) [**American Health Daily Chewable Tablet Acidophilus 1 Billion Live Cultures Beneficial Bacteria for The Digestive & Immune Systems Strawberry 60 Count**American Health**$9.92**4.7★**▲ 66%**](https://www.amazon.com/dp/B097F1YHRH)
**~~View all trending →~~**
## **What buyers say about acidophilus probiotic**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**18%
*“Good consistent quality”*
**Nutritional Content**13%
*“Best Probiotic”*
**Regulates Digestion**12%
*“Less digestive issues”*
**Value For Money**10%
*“Less expensive”*
**Efficiency**8%
*“Effective for me”*
**Acid Regulator/Stomach Ache Relief**6%
*“no more stomach aches”*
**Advertised Vs Actual Product**5%
*“Arrived as described”*
**Ease Of Chewing/Swallowing**4%
*“I like the chewable tablets better”*
**Ease Of Use**3%
*“Convenient product”*
**Side Effects**2%
*“No wild side effects”*
### **What buyers complain about **
**Functionality-Overall**16%
*“No results”*
**Acid Regulator/Stomach Ache Relief**10%
*“Severe stomach pain”*
**Regulates Digestion**9%
*“it left me with all kinds of digestive problems”*
**Value For Money**8%
*“To expensive”*
**Dosage**5%
*“Misrepresented number of capsules in the bottle”*
**Side Effects**4%
*“it gave me headaches”*
**Size-Overall**3%
*“Not a fit for me”*
**Taste-Overall**3%
*“Its a tasteless capsule”*
**Nutritional Content**3%
*“lost a lot of weight”*
**Allergies**2%
*“Allergic reaction”*
### **Top return reasons **
**Functionality-Overall**39%
**Value For Money**28%
**Certifications**6%
**Side Effects**6%
**Quality-Overall**6%
**Accuracy-Overall**6%
**Joint Pain**6%
**Acid Regulator/Stomach Ache Relief**6%
## **Common questions**
- **Is acidophilus probiotic profitable to sell on Amazon United States?**
- The niche generates $1.3M/yr across 22 tracked products. 90-day search growth is -4.0%. Flapen's verdict: Worth a look (58/100).
- **How competitive is the acidophilus probiotic niche?**
- 12 brands and 171 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 83% of demand.
- **What do buyers complain about in acidophilus probiotic?**
- Top complaints mined from reviews: Functionality-Overall, Acid Regulator/Stomach Ache Relief, Regulates Digestion. The return rate is 0.0%.
- **When does demand for acidophilus probiotic peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the acidophilus probiotic niche?**
- Listings span $6.72–$59.79; the average listing price is $16.24 (sweet spot $15–$100). The average incumbent carries 16,195 reviews — the moat a new listing must climb.
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