Is dextromethorphan profitable to sell on Amazon United States?

The niche generates $554K/yr across 16 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -10.3%. Flapen's verdict: Worth a look (50/100).

How competitive is the dextromethorphan niche?

9 brands and 37 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 83% of demand.

What do buyers complain about in dextromethorphan?

Top complaints mined from reviews: Cough Relief, Functionality-Overall, Taste-Overall. The return rate is 0.0%.

When does demand for dextromethorphan peak?

Demand is steady year-round — the busiest month runs 1.5× the quietest.

What does it cost to enter the dextromethorphan niche?

Listings span $6.78–$27.91; the average listing price is $14.02 (sweet spot $15–$100). The average incumbent carries 2,085 reviews — the moat a new listing must climb.

dextromethorphan

Worth a look

Shows low returns (0.0%), but soft demand (-10.3% this quarter) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Great7.9%

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

Avg price

Good$14.02

avg listing price — sweet spot $15–$100

Market size

Good$554K

$554K/yr · 502K searches

Price range

Good$6.78–$27.91

cheapest to priciest tracked listing — scored on the share inside $15–$100

Review moat

Okay2,084.75

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay83%

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

Competition

Okay67%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-10.3%

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

According to Flapen's Amazon United States niche tracking, dextromethorphan is a $554K/yr Amazon United States market (502K searches/yr). The top 5 brands hold 83% of demand. Verdict: Worth a look — 50/100.

Data updated Jul 11, 2026 · scored weekly · How we score niches

dextromethorphan market data

Units sold / yr: 40K–50K; avg 2,000–2,500/product
Revenue / yr: $561K–$701K; units × avg price
Conversion rate: 7.9%
Avg BSR: #101
Page quality: 0%
Prime: 100%
Sponsored: 94%
Out of stock: 9.0%
Avg brand age: 83 months
Avg seller age: 158 days

Competition & brand share

The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.

Brands

9 falling

Sellers

Top-5 brand share

83%

Top 20: 100%

Top-5 click share

67%

Top 20: 100%

Open market

11%

GoodMeds37%
RXZELL18%
Robitussin12%
Delsym8%
P Puregen Labs7%
Amazon Basic Care6%
Open — no brand owns it (3 brands, 11%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -10.3% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.5×

Open Trend

Top dextromethorphan search terms

dextromethorphan232K/yr -10.0%8.3% conv.
dxm57K/yr +7.0%8.0% conv.
robocough39K/yr -4.5%2.2% conv.
dextromethorphan 30mg36K/yr -16.3%7.4% conv.
dextromethorphan tablets21K/yr -23.9%5.7% conv.
dextromethorphan capsules13K/yr +12.0%5.1% conv.
cough pills15K/yr -23.6%11.9% conv.
robotabs10K/yr -8.9%1.2% conv.
robotablets15K/yr -36.5%1.8% conv.
cough pills for adults9K/yr -7.7%10.4% conv.

All search terms

Top dextromethorphan 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 16 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

GoodMeds Cough Relief for Adults Softgels Dextromethorphan HBr (DXM) 15mg 8Hour Non-Drowsy Long-Lasting Bronchial Suppressant for Dry Cough and Chest Congestion (120 Count)

GoodMeds$13.824.6★716 rev

RXZELL Adult Cough Relief Dextromethorphan HBr 15mg (100 Softgels) 8 Hour Long Lasting Non-Drowsy Cough/Bronchial Suppressant

RXZELL$11.584.5★1,770 rev

Robitussin 8 Hour Liqui-gels Cough Adult Formula - 20 count Liqui-Gels

Robitussin$6.784.7★8,671 rev

GoodMeds Cough Relief for Adults Softgels Dextromethorphan HBr (DXM) 15mg 8Hour Non-Drowsy Long-Lasting Bronchial Suppressant for Dry Cough and Chest Congestion (60 Count)

GoodMeds$10.174.6★716 rev

GenCare - Mucus Relief DM (150 Count Value Bottle) Dextromethorphan HBr 20mg Guaifenesin 400mg | Generic Mucus Relief DM | Immediate Release Uncoated Cough & Mucus Expectorant Pill

GenCare$10.084.6★1,866 rev

Newest

by launch date

GoodMeds Cough Relief for Adults Softgels Dextromethorphan HBr (DXM) 15mg 8Hour Non-Drowsy Long-Lasting Bronchial Suppressant for Dry Cough and Chest Congestion (60 Count)

GoodMeds$10.17716 rev

8mo ago

GoodMeds Cough Relief for Adults Softgels Dextromethorphan HBr (DXM) 15mg 8Hour Non-Drowsy Long-Lasting Bronchial Suppressant for Dry Cough and Chest Congestion (120 Count)

GoodMeds$13.82716 rev

9mo ago

Amazon Basic Care Mucus Relief DM 12 Hour Chest Congestion & Cough Relief Guaifenesin & Dextromethorphan Extended-Release Tablets 600 mg/30 mg 40 Count (Pack of 1) (Packaging may vary)

Amazon Basic Care$12.643,633 rev

1y ago

RXZELL Adult Cough Relief Dextromethorphan HBr 15mg (200 Softgels) 8 Hour Long Lasting Non-Drowsy Cough/Bronchial Suppressant

RXZELL$24.891,770 rev

3y ago

Safrel$9.53477 rev

3y ago

What buyers say about dextromethorphan

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

What buyers love

Cough Relief40%

“Controls cough”

Value For Money13%

“Great deal”

Efficiency10%

“Works well”

Quality-Overall8%

“Just as good as the name brand”

Advertised Vs Actual Product5%

“Item arrived as described”

Ease Of Chewing/Swallowing3%

“Easy to swallow and efective”

Taste-Overall2%

“Taste great”

Ease Of Use2%

“it easy to use”

Dosage2%

“Good dosage and price”

Cold Relief1%

“It helps, yet a cold is a cold”

What buyers complain about

Cough Relief27%

“Did not suppress cough”

Functionality-Overall14%

“Didn't seem to help”

Taste-Overall6%

“Taste is really gross”

Value For Money5%

“Waste of money”

Dosage4%

“Only needed one pill”

Side Effects4%

“gave me a headache”

Ingredients-Overall3%

“Does not contain acetaminophen or guaifenesin”

Allergies2%

“maybe it was my allergies i dont know”

Ease Of Use2%

“Difficult and dangerous”

Durability2%

“Falling away”

Common questions

Is dextromethorphan profitable to sell on Amazon United States?: The niche generates $554K/yr across 16 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -10.3%. Flapen's verdict: Worth a look (50/100).
How competitive is the dextromethorphan niche?: 9 brands and 37 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 83% of demand.
What do buyers complain about in dextromethorphan?: Top complaints mined from reviews: Cough Relief, Functionality-Overall, Taste-Overall. The return rate is 0.0%.
When does demand for dextromethorphan peak?: Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the dextromethorphan niche?: Listings span $6.78–$27.91; the average listing price is $14.02 (sweet spot $15–$100). The average incumbent carries 2,085 reviews — the moat a new listing must climb.