Is mucinex profitable to sell on Amazon United States?

The niche generates $8.8M/yr across 20 tracked products. 90-day search growth is -35.8%. Flapen's verdict: Worth a look (53/100).

How competitive is the mucinex niche?

4 brands and 107 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in mucinex?

Top complaints mined from reviews: Ease Of Use, Functionality-Overall, Value For Money. The return rate is 0.1%.

When does demand for mucinex peak?

Demand peaks in Jan–Feb–Nov–Dec; the busiest month runs 2.1× the quietest.

What does it cost to enter the mucinex niche?

Listings span $7.01–$33.52; the average listing price is $18.50 (sweet spot $15–$100). The average incumbent carries 6,106 reviews — the moat a new listing must climb.

Mucinex

Worth a look

Shows a $8.8M/yr market, but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Market size

Incredible$8.8M

$8.8M/yr · 2.8M searches

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Incredible16.8%

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

Avg price

Great$18.50

avg listing price — sweet spot $15–$100

Price range

Good$7.01–$33.52

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

Competition

Okay60%

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

Review moat

Bad6,105.8

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Growth

Bad-35.8%

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

Brand share

Bad100%

top-5 brand share — brand-locked demand

Is mucinex profitable on Amazon?

According to Flapen's Amazon United States niche tracking, mucinex is a $8.8M/yr Amazon United States market (2.8M searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb–Nov–Dec. Verdict: Worth a look — 53/100.

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

mucinex market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 400K–500K; avg 15,000–20,000/product
Revenue / yr: $7.4M–$9.3M; units × avg price
Conversion rate: 16.8%
Avg BSR: #192
Page quality: 0%
Prime: 100%
Sponsored: 90%
Out of stock: 0.3%
Avg brand age: 96 months
Avg seller age: 149 days

Competition: brands, sellers & click share

The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.

Brands

4 falling

Sellers

107

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

60%

Top 20: 100%

Open market

Mucinex69%
Amazon Basic Care27%
WELMATE2%
GenCare2%
Open — no brand owns it (0%)

mucinex demand & seasonality

Weekly Amazon search volume, last 66 weeks — -35.8% search growth over the last 90 days.

Peak months: Jan, Feb, Nov, Dec · busiest ÷ quietest = 2.1×

Open Trend

Top mucinex search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

mucinex2.4M/yr -36.7%14.6% conv.
mucinex d124K/yr -42.3%3.6% conv.
musinex78K/yr -29.2%15.8% conv.
chest congestion relief for adults49K/yr -33.7%5.9% conv.
mucinex 600 mg24K/yr +0.7%16.5% conv.
chest congestion relief16K/yr +7.4%3.0% conv.
mucinex expectorant24K/yr -37.2%13.6% conv.
mucinex 12 hour16K/yr -38.0%13.6% conv.
mucinex 600 mg guaifenesin7K/yr +20.3%17.4% conv.
mucinex maximum strength15K/yr -42.3%8.5% conv.

All search terms

Top mucinex products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

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 20 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Amazon Basic Care Maximum Strength Mucus DM Expectorant and Cough Suppressant Chest Congestion Relief 12 Hour 14 Tablets

Amazon Basic Care$7.014.6★9,080 rev

Mucinex 12 Hour 600 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief Expectorant Aids Excess Mucus Removal Chest Congestion Relief 20 Bi-Layer Tablets

Mucinex$12.914.8★3,740 rev

Mucinex 12 Hour Maximum Strength 1200 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief Expectorant Aids Excess Mucus Removal Chest Congestion Relief for Adults 48 Tablets

Mucinex$29.624.8★1,565 rev

Mucinex Fast-Max Maximum Strength Day & Night Cold and Flu Medicine for Adults Powerful Over-the-Counter Medication for Cold & Flu Symptoms Fast Dissolving Liquid Gels 24 Count

Mucinex$17.044.8★1,479 rev

Mucinex 12 Hour 600 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief Expectorant Aids Excess Mucus Removal Chest Congestion Relief 100 Bi-Layer Tablets

Mucinex$33.524.8★10,842 rev

Newest

by launch date

Mucinex Fast-Max Maximum Strength Day & Night Cold and Flu Medicine for Adults Powerful Over-the-Counter Medication for Cold & Flu Symptoms Fast Dissolving Liquid Gels 24 Count

Mucinex$17.041,479 rev

1y ago

Mucinex Rapid Clear Maximum Strength Cold Medicine & Expectorant Fever Pain Headache & Excess Mucus Relief with Acetaminophen & Guaifenesin Rapid Release Caplets for Adults 20 Count

Mucinex$13.701,862 rev

1y ago

Mucinex 12 Hour 600 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief Expectorant Aids Excess Mucus Removal Chest Congestion Relief 80 Bi-Layer Tablets

Mucinex$27.47427 rev

3y ago

WELMATE - Mucus Relief - Guaifenesin 1200 mg Maximum Strength - Extended-Release Expectorant Tablets - Helps Clear Chest Congestion & Loosen Mucus - 12 Hour Relief - 100 Count

WELMATE$29.543,954 rev

4y ago

Amazon Basic Care Guaifenesin Extended-Release Tablets 600 mg 12 Hour Expectorant for Chest Congestion and Mucus Relief 20 Count

Amazon Basic Care$8.364,555 rev

4y ago

What reviews say buyers love and hate about mucinex

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

What buyers love

Efficiency15%

“Works Well”

Value For Money12%

“much less expensive”

Cough Relief11%

“Good for cough”

Quality-Overall9%

“As good as brand name”

Advertised Vs Actual Product8%

“Works as stated”

Sinus Relief8%

“Really helps clear my sinuses”

Cold Relief7%

“Cold relief”

Dosage3%

“Having the max strength formula is nice so you're not having to double up or take extra doses”

Breathability2%

“Helps with my breathing”

Sleep Quality2%

“It will let you sleep”

What buyers complain about

Ease Of Use28%

“Not user friendly”

Functionality-Overall11%

“Did not work”

Value For Money5%

“Very costly”

Cough Relief4%

“Break up coughing”

Design-Overall3%

“Stupidest Cap Design”

Size-Overall2%

“A bit small”

Dosage2%

“Two big pills don't like”

Taste-Overall2%

“tastes weird”

Allergies2%

“I had a reaction to the dextromethorphan”

Side Effects2%

“Bad side effects”

Top return reasons

Functionality-Overall17%

Value For Money10%

Advertised Vs Actual Product9%

Dosage9%

Ease Of Chewing/Swallowing8%

Size-Overall7%

Cough Relief7%

Joint Pain5%

Heart Health4%

Product Condition3%

Common mucinex questions

Is mucinex profitable to sell on Amazon United States?: The niche generates $8.8M/yr across 20 tracked products. 90-day search growth is -35.8%. Flapen's verdict: Worth a look (53/100).
How competitive is the mucinex niche?: 4 brands and 107 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in mucinex?: Top complaints mined from reviews: Ease Of Use, Functionality-Overall, Value For Money. The return rate is 0.1%.
When does demand for mucinex peak?: Demand peaks in Jan–Feb–Nov–Dec; the busiest month runs 2.1× the quietest.
What does it cost to enter the mucinex niche?: Listings span $7.01–$33.52; the average listing price is $18.50 (sweet spot $15–$100). The average incumbent carries 6,106 reviews — the moat a new listing must climb.