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.

period

Worth a look

Shows low returns (0.3%), but weak search conversion (1.3%) keeps it on the watch list.

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Competition

Great26%

top-5 click share — an open shelf

Brand share

Great46%

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

Good4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay$115K

$115K/yr · 481K searches

Review moat

Bad5,157.95

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-3.3%

90-day search growth — must beat 0% to launch

Conversion

Bad1.3%

search→purchase rate — share of searches ending in a sale

Signals No Dominant Brand

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

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.

No pronounced peak months · busiest ÷ quietest = 1.7×

Open Trend

Top period search terms

period products62K/yr +3.5%0.9% conv.
period essentials for women56K/yr +5.0%1.4% conv.
period stuff57K/yr +1.6%0.5% conv.
menstrual73K/yr -9.8%0.9% conv.
period essentials42K/yr -2.0%1.4% conv.
period supplies30K/yr +13.4%1.5% conv.
period care26K/yr -0.1%1.5% conv.
period must haves15K/yr +2.4%1.2% conv.
period accessories for women17K/yr -21.0%1.2% conv.
menstrual products11K/yr -7.0%1.3% conv.

All 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.

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

OLLY Period Hero Gummies PMS Support Supplement * Chasteberry Vitamin B6 Calcium Cran-Raspberry Flavor 30 Day Supply - 60 Count

OLLY$14.334.3★398 rev

Hanes Womens Comfort Period. Boxer Briefs Super Leak Post-Partum & Period Underwear 2-Pack

Hanes$14.484.1★6,272 rev

Hanes Womens Comfort Period. Boxer Briefs Super Leak Post-Partum & Period Underwear 2-Pack

Hanes$14.614.1★6,272 rev

Bambody Absorbent Period Panties - Bamboo Rayon - Period Underwear for Women and Teens - All-Day Long - Overnight Protection- Leakproof - Large - 3 Pack: Black

Bambody$34.084.4★12,173 rev

Always ZZZ Overnight Disposable Period Underwear for Women Small/Medium 360 Coverage for Worry-Free Nights 14 Count (2 Packs of 7)

Always$15.754.6★8,283 rev

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$9.73200 rev

6mo ago

OLLY Period Hero Gummies PMS Support Supplement * Chasteberry Vitamin B6 Calcium Cran-Raspberry Flavor 30 Day Supply - 60 Count

OLLY$14.33398 rev

10mo ago

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$29.37329 rev

11mo ago

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$39.82259 rev

1y ago

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$6.88909 rev

1y ago

What buyers say about period

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall11%

“Perfect, good variety”

Comfort-Overall9%

“Comfortable and durable”

Size-Overall6%

“fit true to size”

Value For Money5%

“Money well spent”

Smell4%

“Good scent”

Taste-Overall4%

“Amazing tea”

Ease Of Use4%

“Easy to put in”

Soft Feel4%

“Silky Smooth”

Efficiency3%

“Works well”

Advertised Vs Actual Product3%

“Exactly as shown”

What buyers complain about

Size-Overall7%

“Didn't fit”

Functionality-Overall6%

“Didn't work”

Smell6%

“Weird smell”

Heating4%

“Barely warm”

Value For Money4%

“Too expensive”

Durability3%

“Durability is not good”

Allergies3%

“Skin irritation”

Taste-Overall3%

“Disgusting taste”

Leak-Proof3%

“They leak”

Side Effects2%

“Made me immediately sick”

Top return reasons

Size-Overall43%

Heating9%

Advertised Vs Actual Product5%

Material Quality4%

Waist Fit3%

Thigh Fit3%

Comfort-Overall3%

Functionality-Overall3%

Smell2%

Value For Money2%

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.