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Phentermine

Maybe

An estimated 0.1% of orders come back. But demand is soft, at -18.3% this quarter, so Phentermine is a Maybe.

Flapen Score
50
50 / 100
Top 44% of 14,768 Health & Household niches · +1 vs the category median of 49
Market size
$265K/yr574K searches / yr
90-day growth
-18.3%search demand this quarter
Competition
72%top-5 click share · 13 brands · 42 sellers

Flapen Score

Phentermine against its category

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

50Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Phentermine market on Amazon at a glance

Shoppers on Amazon United States searched for Phentermine 574K times last year and spent an estimated $265K. The top 5 brands take 74% of clicks. Demand peaks in Feb. Flapen scores it 50 out of 100, a Maybe.

01 · Demand

An estimated 1.3% of those searches ended in a purchase.

Shoppers searched for this 574K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 1.3% of those searches ended in a purchase. Searches in the last 90 days moved -18.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $265K a year.

Searches, last 12 months
574K
Growth, 90 days vs prior 90
-18.3%
Conversion, latest week
1.3%
Market size, estimated
$265Ka year
Peak month
February1.9× the quietest month
Top search term
phentermine307K searches a year

02 · Price

A sale here is worth $36.31.

Listings sell for $36.31 on average, from $14.65 to $69.79. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 500 to 750 of them. At $36.31 that is $18K to $27K a year per listing.

Average price
$36.31inside the $15 to $100 sweet spot
Price range
$14.65–$69.79
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
6K–8K
Units per listing a year
500–750
Revenue per listing a year
$18K–$27K
Returns
0.1%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

75% of listings pay for placement with sponsored ads. 88% ship with Prime. On an average day, 2.1% of listings are out of stock. The average listing ranks #759 within Weight Loss. It carries 10,183 reviews at 3.83 stars, so a new listing needs social proof before a better product.

Sponsored listings
75%
Prime listings
88%
Out of stock, average day
2.1%
Average rank
#759in Weight Loss
Average rating
3.83 starsAmazon United States average 4.42 stars
Average reviews
10,183per listing
Listings tracked
16

04 · Newcomers

0 of last year's 3 launches cleared the first-year sales bar.

3 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 52 months on average, so the names here are settling in.

Launched, last 12 months
3
Successful launches
0Amazon's first-year sales bar
Average brand age
52 months

Products

Top Phentermine 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 72% of clicks. A locked shelf that new listings rarely crack.

Brands

13 rising

Sellers

42

Top-5 brand share

74%

Top 20: 98%

Top-5 click share

72%

Top 20: 100%

Open market

21%

  • Brand 135%
  • Brand 218%
  • Brand 39%
  • Brand 47%
  • Brand 56%
  • Brand 65%

Demand

Phentermine search demand

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

30K20KHoliday '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Feb · busiest ÷ quietest = 1.9×

Search terms

Top Phentermine search terms shoppers use

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

  • phentermine307K/yr
  • phenq55K/yr
  • fentermina45K/yr
  • fentermina para bajar de peso45K/yr
  • phenaprin18K/yr
  • phen q18K/yr
  • phenetrine13K/yr
  • phentermine for weight loss15K/yr
  • phenq appetite suppressant3K/yr
  • phentermine weight loss pills for women17K/yr

Reviews and returns

What reviews say buyers love and hate about Phentermine

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

25%of positive reviews mention “Weight Loss”
22%of negative reviews mention “Functionality-Overall”
0.1%of orders come back
“Doest Work”
A buyer, on “Functionality-Overall”22% 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.

19 topics

NegativePositive

FAQ

Common Phentermine questions

Answered from the same tracked data.