---
title: "Period Medicine — $514K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/period-medicine"
last_updated: "2026-08-11T22:13:03.162Z"
locale: en
meta:
description: "Niche score 41/100 · $514K/yr market · 271K searches/yr · $11.91 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 41/100 · $514K/yr market · 271K searches/yr · $11.91 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Period Medicine — $514K/yr Amazon US Niche (2026) - Flapen"
---
# **period medicine**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 60Growth 25Conversion 97Competition 6Returns 100Price range 45Avg price 49Brand share 0Review moat 24Quality gap 19
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****15.9%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Good****$514K**
$514K/yr · 271K searches
**Avg price**
**Okay****$11.91**
avg listing price — sweet spot $15–$100
**Price range**
**Okay****$5.62–$22.58**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Bad****-0.4%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****5,141**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**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, period medicine is a $514K/yr Amazon United States market (271K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Jul–Aug–Sep. Verdict: Skip it — 41/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **period medicine market data**
- **Units sold / yr**
- **40K–50K**
- avg 5,000–6,000/product
- **Revenue / yr**
- **$476K–$596K**
- units × avg price
- **Conversion rate**
- **15.9%**
- **Avg BSR**
- **#99**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **86%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **64 months**
- **Avg seller age**
- **144 days**
## **Competition & brand share**
The top 5 products capture 92% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**3 **—flat
**Sellers**
**51**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**92%**
Top 20: 100%
**Open market**
**0%**
- Pamprin86% - Midol9% - HealthA2Z5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -0.4% search growth over the last 90 days.
23K18KSpike '25Prime Day '25 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Jul, Aug, Sep · busiest ÷ quietest = 3.1×
[**Open Trend **](https://flapen.com/research/us/health-household/period-medicine/trend)
## **Top period medicine search terms**
- **pamprin**140K/yr+0.3%17.1% conv. - **pamprin maximum strength**51K/yr+1.8%16.5% conv. - **pamprin maximum strength multi-symptom menstrual relief tablets**15K/yr+15.4%15.3% conv. - **period medicine**9K/yr+15.9%5.9% conv. - **period pills**10K/yr+9.0%4.5% conv. - **pamprin multi symptom**8K/yr+4.2%15.8% conv. - **dorival pastillas dolor menstrual**8K/yr-15.6%0.6% conv. - **menstrual pain relief pills**6K/yr-12.6%4.8% conv. - **pamperin**4K/yr+9.8%18.2% conv. - **menstrual relief pills**5K/yr-18.8%4.6% conv. [**All search terms **](https://flapen.com/research/us/health-household/period-medicine/search-terms)
## **Top period medicine 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%15%$77K30%$154K45%$231K60%$309K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 7 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Pamprin Multi-Symptom Formula with Acetaminophen Menstrual Period Symptoms Relief including Cramps Pain Bloating and Irritability 40 Caplets**Pamprin**$6.99**4.7★10,286 rev](https://www.amazon.com/dp/B0014G59F0) [2**Pamprin Maximum Strength Max Pain and Energy Formula Menstrual Period Symptoms Relief for Cramps Bloating and Fatigue 24 Caplets**Pamprin**$5.62**4.8★4,135 rev](https://www.amazon.com/dp/B004X8JBGE) [3**Midol Complete Menstrual Pain Relief Caplets 40 Count - Provides Cramp Headache and Bloating Relief**Midol**$8.25**4.8★19,404 rev](https://www.amazon.com/dp/B000GGFYRW) [4**Pamprin Maximum Strength Multi-Symptom Menstrual Relief Tablets 40-Count Boxes (Pack of 3)**Pamprin**$22.58**4.8★691 rev](https://www.amazon.com/dp/B001G7QRMQ) [5**Pamprin Maximum Strength Formula 24 Caplets (Pack of 3)**Pamprin**$19.47**4.8★439 rev](https://www.amazon.com/dp/B00E4MK63G)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Pamprin Heat Relief Menstrual Patches for Portable Menstrual Pain Relief of Cramps and Backaches 3 Count**Pamprin**$9.53**132 rev1y ago](https://www.amazon.com/dp/B0DVCD1QQ3) [**HealthA2Z Menstrual Complete Pain Relief Tablets | Relieves Cramps Bloating Fatigue Backache & Headache (120 Counts)**HealthA2Z**$10.94**900 rev1y ago](https://www.amazon.com/dp/B0DLQNJDJS) [**Pamprin Maximum Strength Max Pain and Energy Formula Menstrual Period Symptoms Relief for Cramps Bloating and Fatigue 24 Caplets**Pamprin**$5.62**4,135 rev12y ago](https://www.amazon.com/dp/B004X8JBGE) [**Pamprin Maximum Strength Formula 24 Caplets (Pack of 3)**Pamprin**$19.47**439 rev12y ago](https://www.amazon.com/dp/B00E4MK63G) [**Pamprin Maximum Strength Multi-Symptom Menstrual Relief Tablets 40-Count Boxes (Pack of 3)**Pamprin**$22.58**691 rev17y ago](https://www.amazon.com/dp/B001G7QRMQ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Pamprin Maximum Strength Formula 24 Caplets (Pack of 3)**Pamprin**$19.47**4.8★**▲ 32%**](https://www.amazon.com/dp/B00E4MK63G) [**Pamprin Multi-Symptom Formula with Acetaminophen Menstrual Period Symptoms Relief including Cramps Pain Bloating and Irritability 40 Caplets**Pamprin**$6.99**4.7★**— 10%**](https://www.amazon.com/dp/B0014G59F0) [**Midol Complete Menstrual Pain Relief Caplets 40 Count - Provides Cramp Headache and Bloating Relief**Midol**$8.25**4.8★**— 9%**](https://www.amazon.com/dp/B000GGFYRW) [**HealthA2Z Menstrual Complete Pain Relief Tablets | Relieves Cramps Bloating Fatigue Backache & Headache (120 Counts)**HealthA2Z**$10.94**4.8★**— 3%**](https://www.amazon.com/dp/B0DLQNJDJS) [**Pamprin Maximum Strength Max Pain and Energy Formula Menstrual Period Symptoms Relief for Cramps Bloating and Fatigue 24 Caplets**Pamprin**$5.62**4.8★**— 5%**](https://www.amazon.com/dp/B004X8JBGE)
**~~View all trending →~~**
## **What buyers say about period medicine**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Menstrual Issues**15%
*“They do relieve menstrual pain”*
**Efficiency**14%
*“Works great and does so much more”*
**Muscle Pain Relief**14%
*“relaxes my muscles through that time of the month”*
**Value For Money**10%
*“Best price”*
**Quality-Overall**8%
*“no complaints so far”*
**Ease Of Use**4%
*“Pretty handy and useful I would recommend”*
**Sleep Quality**4%
*“If you can remember to take it before you go to bed then your symptoms will be substantially lessened”*
**Side Effects**2%
*“I appreciate that it's a complete formula addressing multiple symptoms rather than just one”*
**Joint Pain**2%
*“These also helped me with my lower back pain”*
**Caffeine Content**2%
*“Love the caffeine additive”*
### **What buyers complain about **
**Functionality-Overall**16%
*“It doesnt help”*
**Heating**11%
*“Does not heat up”*
**Size-Overall**11%
*“The pill is a bit big”*
**Side Effects**10%
*“It gave me brain fog, exhaustion, sleepiness, low mood, I couldn't function normally, symptoms that I chalked up to my monthly period even though I didn't have them previously”*
**Muscle Pain Relief**10%
*“Doesnt really seem to help with cramps”*
**Value For Money**6%
*“Just different prices”*
**Regulates Digestion**3%
*“be warned—it also causes some pretty bad constipation which leads to pain of another kind”*
**Dosage**3%
*“I took 2 pills for over 1.5 not even a relief”*
**Pain Relief-Overall**3%
*“It helps, might not be 25 hours relief”*
**Quality-Overall**2%
*“Garbage”*
### **Top return reasons **
**Size-Overall**50%
**Muscle Pain Relief**25%
**Ingredients-Overall**25%
## **Common questions**
- **Is period medicine profitable to sell on Amazon United States?**
- The niche generates $514K/yr across 7 tracked products. 90-day search growth is -0.4%. Flapen's verdict: Skip it (41/100).
- **How competitive is the period medicine niche?**
- 3 brands and 51 sellers compete. The top 5 products take 92% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in period medicine?**
- Top complaints mined from reviews: Functionality-Overall, Heating, Size-Overall. The return rate is 0.0%.
- **When does demand for period medicine peak?**
- Demand peaks in Jan–Jul–Aug–Sep; the busiest month runs 3.1× the quietest.
- **What does it cost to enter the period medicine niche?**
- Listings span $5.62–$22.58; the average listing price is $11.91 (sweet spot $15–$100). The average incumbent carries 5,141 reviews — the moat a new listing must climb.
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