---
title: "Charcoal Underwear — $131K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/charcoal-underwear"
last_updated: "2026-08-11T00:10:19.875Z"
locale: en
meta:
description: "Niche score 53/100 · $131K/yr market · 50K searches/yr · $30.93 avg price. Soft demand (-13.5% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 53/100 · $131K/yr market · 50K searches/yr · $30.93 avg price. Soft demand (-13.5% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Charcoal Underwear — $131K/yr Amazon US Niche (2026) - Flapen"
---
# **charcoal underwear**
**Worth a look**
Shows low returns (0.6%), but soft demand (-13.5% this quarter) keeps it on the watch list.
Market size 29Growth 18Conversion 81Competition 49Returns 97Price range 89Avg price 95Brand share 26Review moat 24Quality gap 80
**Returns**
**Incredible****0.6%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$30.93**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$9.87–$76.43**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****8.4%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****56%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Okay****$131K**
$131K/yr · 50K searches
**Brand share**
**Okay****89%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Bad****5,199.52**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-13.5%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, charcoal underwear is a $131K/yr Amazon United States market (50K searches/yr). The top 5 brands hold 89% of demand. Verdict: Worth a look — 53/100.
Data updated Jul 12, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **charcoal underwear market data**
- **Units sold / yr**
- **4K–5K**
- avg 250–500/product
- **Revenue / yr**
- **$124K–$155K**
- units × avg price
- **Conversion rate**
- **8.4%**
- **Avg BSR**
- **#334**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **86%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **57 months**
- **Avg seller age**
- **167 days**
## **Competition & brand share**
The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**10 **▲rising
**Sellers**
**547**
**Top-5 brand share**
**89%**
Top 20: 100%
**Top-5 click share**
**56%**
Top 20: 98%
**Open market**
**8%**
- Charcocaps38% - Shreddies USA19% - MarketFree18% - Fashion First Aid9% - BAMBOO COOL5% - Jutom3% - Open — no brand owns it (4 brands, 8%)
## **Demand**
Weekly Amazon search volume, last 40 weeks — -13.5% search growth over the last 90 days.
1K750Spike '25Holiday '25Oct '25Nov '25Dec '25Feb '26Mar '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/us/health-household/charcoal-underwear/trend)
## **Top charcoal underwear search terms**
- **charcoal underwear**11K/yr-16.0%1.1% conv. - **flatulence odor control**10K/yr-33.4%2.2% conv. - **charco caps**8K/yr-3.6%16.6% conv. - **fart pads**4K/yr-11.0%3.1% conv. - **fart underwear**4K/yr-16.0%0.6% conv. - **charco**3K/yr+27.9%1.7% conv. - **charcocaps**3K/yr-9.3%14.6% conv. - **charcoal caps**3K/yr+4.0%11.2% conv. - **fart underwear men**4K/yr-13.2%0.0% conv. - **charco caps anti-gas formula capsules**2K/yr+9.5%19.9% conv. [**All search terms **](https://flapen.com/research/us/health-household/charcoal-underwear/search-terms)
## **Top charcoal underwear 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%$13K20%$26K30%$39K40%$52K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 21 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Charcocaps Fast Acting Gas Relief for Bloating & Flatulence Drug Free Detoxifying Activated Charcoal Formula 100 Capsules 30 Day Supply Pink**Charcocaps**$16.47**4.6★2,348 rev](https://www.amazon.com/dp/B00LAEK1Q8) [2**Shreddies Mens Hipster Activated Charcoal Underwear for Flatulence Filtering - Fart Neutralizer Cotton Briefs with Sewn-In Carbon Filter - Washable Odor Control Boxers for Men - Black Extra Large**Shreddies USA**$57.60**3.8★236 rev](https://www.amazon.com/dp/B00LIQ81JC) [3**Fashion First Aid Subtle Butt Flatulence Odor Control Pads (5 Pack) Helps Prevent Embarrassing Smells Thin Discreet Activated Charcoal Filters for Daily Confidence Travel & Social Situations**Fashion First Aid**$12.98**4.1★2,250 rev](https://www.amazon.com/dp/B001KYVJSC) [4**Flatulence Deodorizer Pads for Men & Women - Carbon Filter Gas Pads for Underwear - Odor Eliminator & Sound Control - Activated Charcoal Fart Smell Absorber - Discrete Flatulence Relief (30+2 Pack)**MarketFree**$26.88**4.1★340 rev](https://www.amazon.com/dp/B083GC8WWG) [5**Flatulence Deodorizer Pads for Men & Women - Carbon Filter Gas Pads for Underwear - Odor Eliminator & Sound Control - Activated Charcoal Fart Smell Absorber - Discrete Flatulence Relief (15+2 Pack)**MarketFree**$28.00**4.3★269 rev](https://www.amazon.com/dp/B0868VVMDZ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Chlorophyll Capsules | Internal Body Deodorant Supplement for Men & Women | Natural Odor Control for for Body Odor Fresh Breath Immune Support Vegan(120 Caps)**bnHUlMXw**$15.36**140 rev8mo ago](https://www.amazon.com/dp/B0FWY4XNB2) [**Flatulence Deodorizer Pads for Men & Women - Carbon Filter Gas Pads for Underwear - Odor Eliminator & Sound Control - Activated Charcoal Fart Smell Absorber - Discrete Flatulence Relief (30 Pack)**MarketFree**$48.30**28 rev3y ago](https://www.amazon.com/dp/B0C8GNQX57) [**Jutom 8 Pcs Charcoal Underwear Flatulence Pads Deodorizer Women Men High Absorption Charcoal Pad Flatulence Filtering Absorb Odor Unpleasant Smells for Adults Home Car Pet Bathroom Basement(Gray)**Jutom**$15.79**266 rev3y ago](https://www.amazon.com/dp/B0BCNSSXRW) [**Flatulence Deodorizer Pads for Men & Women - Carbon Filter Gas Pads for Underwear - Odor Eliminator & Sound Control - Activated Charcoal Fart Smell Absorber - Discrete Flatulence Relief (5+1 Pack)**MarketFree**$17.18**271 rev5y ago](https://www.amazon.com/dp/B0863KGMHG) [**BAMBOO COOL Mens Ultra Breathable Underwear No Riding Up Boxer Briefs with ComfortFlexible Waistband Multipack**BAMBOO COOL**$32.76**16,275 rev6y ago](https://www.amazon.com/dp/B088WK9VYM)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**BAMBOO COOL Mens Ultra Breathable Underwear No Riding Up Boxer Briefs with ComfortFlexible Waistband Multipack**BAMBOO COOL**$32.76**4.5★**▲ 245%**](https://www.amazon.com/dp/B088WK9VYM) [**BAMBOO COOL Mens Ultra Breathable Underwear No Riding Up Boxer Briefs with ComfortFlexible Waistband Multipack**BAMBOO COOL**$32.59**4.5★**▲ 235%**](https://www.amazon.com/dp/B088WF1PRW) [**Shreddies Mens Hipster Activated Charcoal Underwear for Flatulence Filtering - Fart Neutralizer Cotton Briefs with Sewn-In Carbon Filter - Washable Odor Control Boxers for Men - Black Medium**Shreddies USA**$58.60**3.8★**▲ 202%**](https://www.amazon.com/dp/B00LIQ7ZP8) [**Shreddies Mens Support Boxers Flatulence Filtering Underwear - Fart Neutralizer Cotton Boxer Briefs with Built-In Activated Carbon Filter for Odor Control - Wash and Reuse 50 Times - Black Large**Shreddies USA**$76.43**3.6★**▲ 186%**](https://www.amazon.com/dp/B00LIQ7U3K) [**Shreddies Flatulence Filtering Hi Cut Underwear for Women - Womens High Waist Panties with Built-In Charcoal Fart Filter - Comfortable Odor Neutralizing Cotton Ladies Briefs - Black Large**Shreddies USA**$50.87**4.0★**▲ 185%**](https://www.amazon.com/dp/B00LIQ84H6)
**~~View all trending →~~**
## **What buyers say about charcoal underwear**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Comfort-Overall**18%
*“Very comfortable and the fitment is spot on”*
**Size-Overall**13%
*“the fit is comfortable”*
**Quality-Overall**9%
*“Quality Underwear”*
**Efficiency**8%
*“it does help”*
**Value For Money**5%
*“Worth it”*
**Breathability**4%
*“Comfy and breathable”*
**Smell**4%
*“These completely eliminate all stench”*
**Regulates Digestion**4%
*“It helps with bloating and excess gas”*
**Acid Regulator/Stomach Ache Relief**3%
*“Worked good directed by Doctor to help with stomach and gas relief”*
**Advertised Vs Actual Product**3%
*“Exactly as described”*
### **What buyers complain about **
**Functionality-Overall**14%
*“Did not work”*
**Size-Overall**11%
*“They are pretty tight”*
**Smell**6%
*“it actually made me smell like a dirty fish tank a lot of the time”*
**Material Quality**4%
*“made of cheap material now”*
**Quality-Overall**4%
*“Poor quality control”*
**Comfort-Overall**4%
*“Not comfortable at all”*
**Value For Money**2%
*“Overpriced and low quality”*
**Thickness**2%
*“Too thin and fall apart with short period wear”*
**Adhesion/Stickiness**2%
*“the adhesive doesn't work”*
**Advertised Vs Actual Product**2%
*“Product doesnt do what it claims”*
### **Top return reasons **
**Size-Overall**49%
**Waist Fit**12%
**Material Quality**9%
**Thigh Fit**6%
**Advertised Vs Actual Product**4%
**Length**3%
**Comfort-Overall**2%
**Waist High**1%
**Shape/Style**1%
**Value For Money**1%
## **Common questions**
- **Is charcoal underwear profitable to sell on Amazon United States?**
- The niche generates $131K/yr across 21 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -13.5%. Flapen's verdict: Worth a look (53/100).
- **How competitive is the charcoal underwear niche?**
- 10 brands and 547 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 89% of demand.
- **What do buyers complain about in charcoal underwear?**
- Top complaints mined from reviews: Functionality-Overall, Size-Overall, Smell. The return rate is 0.6%.
- **What does it cost to enter the charcoal underwear niche?**
- Listings span $9.87–$76.43; the average listing price is $30.93 (sweet spot $15–$100). The average incumbent carries 5,200 reviews — the moat a new listing must climb.
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