---
title: "Period — $115K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/period"
last_updated: "2026-08-11T23:52:39.615Z"
locale: en
meta:
description: "Niche score 55/100 · $115K/yr market · 481K searches/yr · $18.11 avg price. Weak search conversion (1.3%) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 55/100 · $115K/yr market · 481K searches/yr · $18.11 avg price. Weak search conversion (1.3%) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Period — $115K/yr Amazon US Niche (2026) - Flapen"
---
# **period**
**Worth a look**
Shows low returns (0.3%), but weak search conversion (1.3%) keeps it on the watch list.
Market size 27Growth 23Conversion 17Competition 89Returns 98Price range 71Avg price 83Brand share 89Review moat 24Quality gap 50
**Returns**
**Incredible****0.3%**
return rate — above 5% kills the launch gate
**Competition**
**Great****26%**
top-5 click share — an open shelf
**Brand share**
**Great****46%**
top-5 brand share — no brand owns this niche
**Avg price**
**Great****$18.11**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$1.94–$46.24**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.5★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****$115K**
$115K/yr · 481K searches
**Review moat**
**Bad****5,157.95**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-3.3%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****1.3%**
search→purchase rate — share of searches ending in a sale
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
According to Flapen's Amazon United States niche tracking, period is a $115K/yr Amazon United States market (481K searches/yr). The top 5 brands hold 46% of demand. Verdict: Worth a look — 55/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **period market data**
- **Units sold / yr**
- **10K–13K**
- avg 0–100/product
- **Revenue / yr**
- **$181K–$226K**
- units × avg price
- **Conversion rate**
- **1.3%**
- **Avg BSR**
- **#69**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **89%**
- **Out of stock**
- **2.3%**
- **Avg brand age**
- **50 months**
- **Avg seller age**
- **134 days**
## **Competition & brand share**
Clicks spread well past the top 5 (26% combined) — an open shelf where new products get seen.
**Brands**
**59 **▼falling
**Sellers**
**714**
**Top-5 brand share**
**46%**
Top 20: 78%
**Top-5 click share**
**26%**
Top 20: 60%
**Open market**
**49%**
- Hanes16% - Pixie Cup11% - Midol8% - Always6% - OLLY6% - Bambody5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -3.3% search growth over the last 90 days.
20K15KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/us/health-household/period/trend)
## **Top period search terms**
- **period products**62K/yr+3.5%0.9% conv. - **period essentials for women**56K/yr+5.0%1.4% conv. - **period stuff**57K/yr+1.6%0.5% conv. - **menstrual**73K/yr-9.8%0.9% conv. - **period essentials**42K/yr-2.0%1.4% conv. - **period supplies**30K/yr+13.4%1.5% conv. - **period care**26K/yr-0.1%1.5% conv. - **period must haves**15K/yr+2.4%1.2% conv. - **period accessories for women**17K/yr-21.0%1.2% conv. - **menstrual products**11K/yr-7.0%1.3% conv. [**All search terms **](https://flapen.com/research/us/health-household/period/search-terms)
## **Top period 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%2%$2K4%$5K6%$7K8%$9K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**OLLY Period Hero Gummies PMS Support Supplement * Chasteberry Vitamin B6 Calcium Cran-Raspberry Flavor 30 Day Supply - 60 Count**OLLY**$14.33**4.3★398 rev](https://www.amazon.com/dp/B0F4WHVQCN) [2**Hanes Womens Comfort Period. Boxer Briefs Super Leak Post-Partum & Period Underwear 2-Pack**Hanes**$14.48**4.1★6,272 rev](https://www.amazon.com/dp/B0CMF12MK4) [3**Hanes Womens Comfort Period. Boxer Briefs Super Leak Post-Partum & Period Underwear 2-Pack**Hanes**$14.61**4.1★6,272 rev](https://www.amazon.com/dp/B0CMDR7YHH) [4**Bambody Absorbent Period Panties - Bamboo Rayon - Period Underwear for Women and Teens - All-Day Long - Overnight Protection- Leakproof - Large - 3 Pack: Black**Bambody**$34.08**4.4★12,173 rev](https://www.amazon.com/dp/B0BNP9M6WV) [5**Always ZZZ Overnight Disposable Period Underwear for Women Small/Medium 360 Coverage for Worry-Free Nights 14 Count (2 Packs of 7)**Always**$15.75**4.6★8,283 rev](https://www.amazon.com/dp/B08VCP6QLD)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Feminine Wipes for Women Flushable pH Balanced Wipes 99% Water & Aloe Unscented Gentle Intimate & Period Care with Odor Protection Daily Hygiene & Travel Essentials 8 Pack 48 Wipes**MOONIES**$9.73**200 rev6mo ago](https://www.amazon.com/dp/B0G267MLPM) [**OLLY Period Hero Gummies PMS Support Supplement * Chasteberry Vitamin B6 Calcium Cran-Raspberry Flavor 30 Day Supply - 60 Count**OLLY**$14.33**398 rev10mo ago](https://www.amazon.com/dp/B0F4WHVQCN) [**ALLBASE Womens Leakproof Period Underwear Heavy Flow Washable Postpartum Protection Panties High Absorbency Cotton High Waist Menstrual Briefs Multicolor(3 Pack Regular & Plus Size)**ALLBASE**$29.37**329 rev11mo ago](https://www.amazon.com/dp/B0FLXNJB6V) [**Menstrual Heating Pad for Period Cramps Portable Heating Pad for Period Cramps Relief with Heat & Massage Wearable Cordless Warmer for Pain Relief Rechargeable & Wireless for Women**Zolly**$39.82**259 rev1y ago](https://www.amazon.com/dp/B0F9TVN9PR) [**Pixie Period Cramps Menstrual Pain Relief Heat Patches - Lower Abdominal & Back Ache Therapy - Natural Alternative to Lidocaine ICY Hot - Up to 8 Hours - 3 Count Discreet Disposable Heat Pads**Pixie Cup**$6.88**909 rev1y ago](https://www.amazon.com/dp/B0DSJF3J9W)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Hanes Womens Comfort Period. Boxer Briefs Super Leak Post-Partum & Period Underwear 2-Pack**Hanes**$14.48**4.1★**▲ 198%**](https://www.amazon.com/dp/B0CMF12MK4) [**ALLBASE Womens Leakproof Period Underwear Heavy Flow Washable Postpartum Protection Panties High Absorbency Cotton High Waist Menstrual Briefs Multicolor(3 Pack Regular & Plus Size)**ALLBASE**$29.37**4.2★**▲ 194%**](https://www.amazon.com/dp/B0FLXNJB6V) [**Hanes Womens Comfort Period. Boxer Briefs Super Leak Post-Partum & Period Underwear 2-Pack**Hanes**$14.61**4.1★**▲ 190%**](https://www.amazon.com/dp/B0CMDR7YHH) [**Hanes Womens Comfort Period. Boxer Briefs Super Leak Post-Partum & Period Underwear 2-Pack**Hanes**$14.63**4.1★**▲ 184%**](https://www.amazon.com/dp/B0CMF48MKC) [**ZVZK Period Underwear for women 30ML Heavy Flow Absorbent Leak Proof Panty Pants Menstrual Panties 3 Pack (M BLACK)**ZVZK**$15.91**4.2★**▲ 183%**](https://www.amazon.com/dp/B09LMBHT7J)
**~~View all trending →~~**
## **What buyers say about period**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**11%
*“Perfect, good variety”*
**Comfort-Overall**9%
*“Comfortable and durable”*
**Size-Overall**6%
*“fit true to size”*
**Value For Money**5%
*“Money well spent”*
**Smell**4%
*“Good scent”*
**Taste-Overall**4%
*“Amazing tea”*
**Ease Of Use**4%
*“Easy to put in”*
**Soft Feel**4%
*“Silky Smooth”*
**Efficiency**3%
*“Works well”*
**Advertised Vs Actual Product**3%
*“Exactly as shown”*
### **What buyers complain about **
**Size-Overall**7%
*“Didn't fit”*
**Functionality-Overall**6%
*“Didn't work”*
**Smell**6%
*“Weird smell”*
**Heating**4%
*“Barely warm”*
**Value For Money**4%
*“Too expensive”*
**Durability**3%
*“Durability is not good”*
**Allergies**3%
*“Skin irritation”*
**Taste-Overall**3%
*“Disgusting taste”*
**Leak-Proof**3%
*“They leak”*
**Side Effects**2%
*“Made me immediately sick”*
### **Top return reasons **
**Size-Overall**43%
**Heating**9%
**Advertised Vs Actual Product**5%
**Material Quality**4%
**Waist Fit**3%
**Thigh Fit**3%
**Comfort-Overall**3%
**Functionality-Overall**3%
**Smell**2%
**Value For Money**2%
## **Common questions**
- **Is period profitable to sell on Amazon United States?**
- The niche generates $115K/yr across 99 tracked products. 9 of 12 products launched in the last 360 days are still selling. 90-day search growth is -3.3%. Flapen's verdict: Worth a look (55/100).
- **How competitive is the period niche?**
- 59 brands and 714 sellers compete. The top 5 products take 26% of clicks and top 5 brands hold 46% of demand.
- **What do buyers complain about in period?**
- Top complaints mined from reviews: Size-Overall, Functionality-Overall, Smell. The return rate is 0.3%.
- **When does demand for period peak?**
- Demand is steady year-round — the busiest month runs 1.7× the quietest.
- **What does it cost to enter the period niche?**
- Listings span $1.94–$46.24; the average listing price is $18.11 (sweet spot $15–$100). The average incumbent carries 5,158 reviews — the moat a new listing must climb.
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