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.

charcoal underwear

Worth a look

Shows low returns (0.6%), but soft demand (-13.5% this quarter) keeps it on the watch list.

Returns

Incredible0.6%

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

Great8.4%

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

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Competition

Okay56%

top-5 click share — leaders hold, buyers still browse

Market size

Okay$131K

$131K/yr · 50K searches

Brand share

Okay89%

top-5 brand share — brands hold most of the demand

Review moat

Bad5,199.52

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

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

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.

Open Trend

Top charcoal underwear search terms

charcoal underwear11K/yr -16.0%1.1% conv.
flatulence odor control10K/yr -33.4%2.2% conv.
charco caps8K/yr -3.6%16.6% conv.
fart pads4K/yr -11.0%3.1% conv.
fart underwear4K/yr -16.0%0.6% conv.
charco3K/yr +27.9%1.7% conv.
charcocaps3K/yr -9.3%14.6% conv.
charcoal caps3K/yr +4.0%11.2% conv.
fart underwear men4K/yr -13.2%0.0% conv.
charco caps anti-gas formula capsules2K/yr +9.5%19.9% conv.

All 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.

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

Charcocaps Fast Acting Gas Relief for Bloating & Flatulence Drug Free Detoxifying Activated Charcoal Formula 100 Capsules 30 Day Supply Pink

Charcocaps$16.474.6★2,348 rev

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$57.603.8★236 rev

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$12.984.1★2,250 rev

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$26.884.1★340 rev

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$28.004.3★269 rev

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$15.36140 rev

8mo ago

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$48.3028 rev

3y ago

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$15.79266 rev

3y ago

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$17.18271 rev

5y ago

BAMBOO COOL Mens Ultra Breathable Underwear No Riding Up Boxer Briefs with ComfortFlexible Waistband Multipack

BAMBOO COOL$32.7616,275 rev

6y ago

What buyers say about charcoal underwear

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

What buyers love

Comfort-Overall18%

“Very comfortable and the fitment is spot on”

Size-Overall13%

“the fit is comfortable”

Quality-Overall9%

“Quality Underwear”

Efficiency8%

“it does help”

Value For Money5%

“Worth it”

Breathability4%

“Comfy and breathable”

Smell4%

“These completely eliminate all stench”

Regulates Digestion4%

“It helps with bloating and excess gas”

Acid Regulator/Stomach Ache Relief3%

“Worked good directed by Doctor to help with stomach and gas relief”

Advertised Vs Actual Product3%

“Exactly as described”

What buyers complain about

Functionality-Overall14%

“Did not work”

Size-Overall11%

“They are pretty tight”

Smell6%

“it actually made me smell like a dirty fish tank a lot of the time”

Material Quality4%

“made of cheap material now”

Quality-Overall4%

“Poor quality control”

Comfort-Overall4%

“Not comfortable at all”

Value For Money2%

“Overpriced and low quality”

Thickness2%

“Too thin and fall apart with short period wear”

Adhesion/Stickiness2%

“the adhesive doesn't work”

Advertised Vs Actual Product2%

“Product doesnt do what it claims”

Top return reasons

Size-Overall49%

Waist Fit12%

Material Quality9%

Thigh Fit6%

Advertised Vs Actual Product4%

Length3%

Comfort-Overall2%

Waist High1%

Shape/Style1%

Value For Money1%

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.