---
title: "Good Girl Probiotics for Women — $1.5M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/good-girl-probiotics-for-women"
last_updated: "2026-08-06T19:16:42.059Z"
locale: en
meta:
description: "Niche score 48/100 · $1.5M/yr market · 385K searches/yr · $32.85 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · $1.5M/yr market · 385K searches/yr · $32.85 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Good Girl Probiotics for Women — $1.5M/yr Amazon US Niche (2026) - Flapen"
---
# **good girl probiotics for women**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 86Growth 17Conversion 94Competition 7Returns 100Price range 87Avg price 95Brand share 0Review moat 18Quality gap 23
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$32.85**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****11.8%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Great****$8.88–$68.74**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Great****$1.5M**
$1.5M/yr · 385K searches
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****16,173.44**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-16.7%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****92%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, good girl probiotics for women is a $1.5M/yr Amazon United States market (385K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jul. Verdict: Skip it — 48/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **good girl probiotics for women market data**
- **Units sold / yr**
- **40K–50K**
- avg 5,000–6,000/product
- **Revenue / yr**
- **$1.3M–$1.6M**
- units × avg price
- **Conversion rate**
- **11.8%**
- **Avg BSR**
- **#152**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **89%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **55 months**
- **Avg seller age**
- **147 days**
## **Competition & brand share**
The top 5 products capture 92% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **▼falling
**Sellers**
**53**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**92%**
Top 20: 100%
**Open market**
**0%**
- AZO55% - Rephresh37% - O Positiv6% - vH essentials2%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -16.7% search growth over the last 90 days.
10K6KSpike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jul · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/health-household/good-girl-probiotics-for-women/trend)
## **Top good girl probiotics for women search terms**
- **azo probiotics for women**134K/yr-20.5%8.6% conv. - **rephresh pro b probiotics for women**101K/yr-14.0%13.9% conv. - **azo complete feminine balance**28K/yr+0.7%10.3% conv. - **azo probiotic**16K/yr+23.7%8.6% conv. - **rephresh pro-b**10K/yr+76.3%11.2% conv. - **azo complete feminine balance daily probiotic**11K/yr-39.3%14.2% conv. - **yeast infection probiotic for women**6K/yr+60.7%1.5% conv. - **rephresh pro b**13K/yr-34.3%9.8% conv. - **azo daily probiotics for women**10K/yr-24.7%8.7% conv. - **azo feminine balance probiotic**7K/yr-15.2%13.0% conv. [**All search terms **](https://flapen.com/research/us/health-household/good-girl-probiotics-for-women/search-terms)
## **Top good girl probiotics for women 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%$148K20%$297K30%$445K40%$594K101001K10K100K Reviews — right = deep review moatMarket 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.
### **Top sellers**
by 90-day click share
[1**AZO Complete Feminine Balance Daily Vaginal Probiotics for Women Clinically Proven to Help Protect Vaginal Health Helps balance pH and yeast 30 Count**AZO**$23.98**4.6★17,424 rev](https://www.amazon.com/dp/B074BLLV81) [2**RepHresh Pro-B Vaginal Probiotic Supplement pH Balance Probiotics for Women Balances Yeast and Bacteria to Maintain Feminine Health Daily Oral Capsules 30 Count**Rephresh**$23.18**4.6★23,682 rev](https://www.amazon.com/dp/B001FOPQQS) [3**AZO Dual Protection Urinary + Vaginal Support Prebiotics and Probiotics for Women* Starts Working Within 24 Hours Non-GMO 30 Count**AZO**$28.27**4.7★6,245 rev](https://www.amazon.com/dp/B08WW9QR7H) [4**O Positiv URO Vaginal Probiotics for Women pH Balance with Prebiotics & Lactobacillus Vaginal Health Supplement Support Healthy Vaginal Odor & Flora 60 Count (Pack of 1) 1 Month Supply**O Positiv**$28.38**4.6★37,127 rev](https://www.amazon.com/dp/B0D5FZGY8W) [5**AZO Complete Feminine Balance Daily Vaginal Probiotics for Women Clinically Proven to Help Protect Vaginal Health Helps balance pH and yeast 60 Count**AZO**$46.68**4.6★17,424 rev](https://www.amazon.com/dp/B07RC8CXC1)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**AZO Vaginal Probiotic Mini-Chews for Women Supports Healthy Vaginal Odor Healthy Vaginal Flora Yeast Balance and pH* Delicious Fruit Punch Taste 14 Count**AZO**$19.46**96 rev5mo ago](https://www.amazon.com/dp/B0GNCGX4BC) [**O Positiv URO Vaginal Probiotics for Women pH Balance with Prebiotics & Lactobacillus Vaginal Health Supplement Support Healthy Vaginal Odor & Flora 60 Count (Pack of 1) 1 Month Supply**O Positiv**$28.38**37,127 rev3y ago](https://www.amazon.com/dp/B0D5FZGY8W) [**AZO Dual Protection Urinary + Vaginal Support Prebiotics and Probiotics for Women* Starts Working Within 24 Hours Non-GMO 30 Count**AZO**$28.27**6,245 rev5y ago](https://www.amazon.com/dp/B08WW9QR7H) [**AZO Complete Feminine Balance Daily Vaginal Probiotics for Women Clinically Proven to Help Protect Vaginal Health Helps balance pH and yeast 60 Count**AZO**$46.68**17,424 rev7y ago](https://www.amazon.com/dp/B07RC8CXC1) [**AZO Complete Feminine Balance Daily Vaginal Probiotics for Women Clinically Proven to Help Protect Vaginal Health Helps balance pH and yeast 30 Count**AZO**$23.98**17,424 rev8y ago](https://www.amazon.com/dp/B074BLLV81)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**AZO Vaginal Probiotic Mini-Chews for Women Supports Healthy Vaginal Odor Healthy Vaginal Flora Yeast Balance and pH* Delicious Fruit Punch Taste 14 Count**AZO**$19.46**4.6★**▲ 265%**](https://www.amazon.com/dp/B0GNCGX4BC) [**RepHresh Pro-B Probiotic Feminine Supplement - 30 ea (Pack of 2)**Rephresh**$48.03**4.7★**▲ 74%**](https://www.amazon.com/dp/B009SCXLIY) [**RepHresh Pro-B Vaginal Probiotic Supplement pH Balance Probiotics for Women Balances Yeast and Bacteria to Maintain Feminine Health Daily Oral Capsules 30 Count**Rephresh**$23.18**4.6★**▲ 20%**](https://www.amazon.com/dp/B001FOPQQS) [**vH essentials Probiotics with Prebiotics and Cranberry Feminine Health Supplement - 60 Capsules**vH essentials**$8.88**4.6★**▲ 10%**](https://www.amazon.com/dp/B00HSMS5OQ) [**O Positiv URO Vaginal Probiotics for Women pH Balance with Prebiotics & Lactobacillus Vaginal Health Supplement Support Healthy Vaginal Odor & Flora 60 Count (Pack of 1) 1 Month Supply**O Positiv**$28.38**4.6★**— 5%**](https://www.amazon.com/dp/B0D5FZGY8W)
**~~View all trending →~~**
## **What buyers say about good girl probiotics for women**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**14%
*“the quality seems solid”*
**Efficiency**6%
*“Does the job”*
**Smell**6%
*“no strange odor”*
**Nutritional Content**6%
*“Best Probiotic”*
**Value For Money**6%
*“Good price”*
**Advertised Vs Actual Product**5%
*“Its working as advertised”*
**Regulates Digestion**5%
*“gave complete relief from constipation”*
**Side Effects**4%
*“no harm if it doesnt work”*
**Ease Of Chewing/Swallowing**4%
*“chews up easily”*
**Taste-Overall**4%
*“no harsh taste”*
### **What buyers complain about **
**Functionality-Overall**12%
*“Never worked”*
**Smell**12%
*“Made me smell weird”*
**Side Effects**9%
*“Slight side effect tho”*
**Value For Money**8%
*“A little expensive”*
**Allergies**6%
*“ITCHING”*
**Acid Regulator/Stomach Ache Relief**5%
*“STOMACH PAIN”*
**Regulates Digestion**4%
*“Its making my acid reflux 10 times worse”*
**Taste-Overall**3%
*“are tasteless”*
**Dosage**3%
*“You have to be very careful taking things like these”*
**Pain Relief-Overall**3%
*“not for pain relief”*
### **Top return reasons **
**Functionality-Overall**22%
**Value For Money**17%
**Joint Pain**9%
**Side Effects**4%
**Charging**4%
**Leak-Proof**4%
**Ease Of Chewing/Swallowing**4%
**Acid Regulator/Stomach Ache Relief**4%
**Ingredients-Overall**4%
**Ease Of Use**4%
## **Common questions**
- **Is good girl probiotics for women profitable to sell on Amazon United States?**
- The niche generates $1.5M/yr across 9 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -16.7%. Flapen's verdict: Skip it (48/100).
- **How competitive is the good girl probiotics for women niche?**
- 4 brands and 53 sellers compete. The top 5 products take 92% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in good girl probiotics for women?**
- Top complaints mined from reviews: Functionality-Overall, Smell, Side Effects. The return rate is 0.0%.
- **When does demand for good girl probiotics for women peak?**
- Demand peaks in Jul; the busiest month runs 1.5× the quietest.
- **What does it cost to enter the good girl probiotics for women niche?**
- Listings span $8.88–$68.74; the average listing price is $32.85 (sweet spot $15–$100). The average incumbent carries 16,173 reviews — the moat a new listing must climb.
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