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Guaifenesin 400mg

Fail

Prices span $5.26–$14.65, mostly outside the sweet spot, so Guaifenesin 400mg is a Fail.

Flapen Score
35
35 / 100
Ranks 13,764 of 14,768 Health & Household niches · −14 vs the category median of 49
Market size
$91K/yr41K searches / yr
90-day growth
-10.0%search demand this quarter
Competition
84%top-5 click share · 7 brands · 10 sellers

Flapen Score

Guaifenesin 400mg against its category

The dotted line is the Health & Household average. Past it, Guaifenesin 400mg is stronger. Inside it, weaker.

35Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Guaifenesin 400mg market on Amazon at a glance

Shoppers on Amazon United States searched for Guaifenesin 400mg 41K times last year and spent an estimated $91K. The top 5 brands take 95% of clicks. Flapen scores it 35 out of 100, a Fail.

01 · Demand

An estimated 21.5% of those searches ended in a purchase.

Shoppers searched for this 41K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 21.5% of those searches ended in a purchase. Searches in the last 90 days moved -10.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated $91K a year.

Searches, last 12 months
41K
Growth, 90 days vs prior 90
-10.0%
Conversion, latest week
21.5%
Market size, estimated
$91Ka year
Peak month
January1.4× the quietest month
Top search term
guaifenesin 400mg21K searches a year

02 · Price

A sale here is worth $10.34.

Listings sell for $10.34 on average, from $5.26 to $14.65. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 750 to 1,000 of them. At $10.34 that is $8K to $10K a year per listing.

Average price
$10.34under the $15 to $100 sweet spot
Price range
$5.26–$14.65
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
8K–10K
Units per listing a year
750–1,000
Revenue per listing a year
$8K–$10K
Returns
0.0%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

80% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 16.0% of listings are out of stock. The average listing ranks #171 within Allergy, Sinus & Asthma. It carries 4,948 reviews at 4.60 stars, so a new listing needs social proof before a better product.

Sponsored listings
80%
Prime listings
100%
Out of stock, average day
16.0%
Average rank
#171in Allergy, Sinus & Asthma
Average rating
4.60 starsAmazon United States average 4.42 stars
Average reviews
4,948per listing
Listings tracked
10

04 · Newcomers

Brands here are established.

The brands on the shelf have sold for 85 months on average, so the names here are established.

Launched, last 12 months
0
Successful launches
0Amazon's first-year sales bar
Average brand age
85 months

Products

Top Guaifenesin 400mg products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Sign in to see the products

The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.

Competition

Competition: brands, sellers & click share

The top 5 products take 84% of clicks. A locked shelf that new listings rarely crack.

Brands

7 flat

Sellers

10

Top-5 brand share

95%

Top 20: 100%

Top-5 click share

84%

Top 20: 100%

Open market

2%

  • Brand 137%
  • Brand 224%
  • Brand 320%
  • Brand 410%
  • Brand 55%
  • Brand 63%
  • Open — no brand owns it (1 brand, 2%)

Demand

Guaifenesin 400mg search demand

Weekly searches over the year, seasonality beneath. Pick a range.

1K600Prime Day '24Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Search terms

Top Guaifenesin 400mg search terms shoppers use

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

  • guaifenesin 400mg21K/yr
  • mucus relief 400mg16K/yr
  • guaifenesin 400 mg4K/yr

Reviews and returns

What reviews say buyers love and hate about Guaifenesin 400mg

We read the reviews and the return reasons for every product selling here.

32%of positive reviews mention “Value For Money”
15%of negative reviews mention “Dosage”
<0.1%of orders come back, a rate Amazon rounds to zero
“Incorrect dosage instructions”
A buyer, on “Dosage”15% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

17 topics

NegativePositive

FAQ

Common Guaifenesin 400mg questions

Answered from the same tracked data.