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L Carnitine

Pass

L Carnitine scores 71 out of 100, a Pass. Shoppers spend an estimated $4.9M a year here, demand is soft, at -6.3% this quarter, and an estimated 0.0% of orders come back.

Flapen Score
71
71 / 100
Top 1% of 14,768 Health & Household niches · +22 vs the category median of 49
Market size
$4.9M/yr2.4M searches / yr
90-day growth
-6.3%search demand this quarter
Competition
40%top-5 click share · 22 brands · 56 sellers

Flapen Score

L Carnitine against its category

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

71Pass
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The L Carnitine market on Amazon at a glance

Shoppers on Amazon United States searched for L Carnitine 2.4M times last year and spent an estimated $4.9M. The top 5 brands take 56% of clicks. Demand peaks in Apr. Flapen scores it 71 out of 100, a Pass.

01 · Demand

An estimated 8.0% of those searches ended in a purchase.

Shoppers searched for this 2.4M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 8.0% of those searches ended in a purchase. Searches in the last 90 days moved -6.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $4.9M a year.

Searches, last 12 months
2.4M
Growth, 90 days vs prior 90
-6.3%
Conversion, latest week
8.0%
Market size, estimated
$4.9Ma year
Peak month
April1.7× the quietest month
Top search term
l carnitine1.3M searches a year

02 · Price

A sale here is worth $25.44.

Listings sell for $25.44 on average, from $9.02 to $84.19. Amazon reports units sold in ranges. This niche sold 200K to 250K a year. The average listing sells 5,000 to 6,000 of them. At $25.44 that is $127K to $153K a year per listing.

Average price
$25.44inside the $15 to $100 sweet spot
Price range
$9.02–$84.19
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
200K–250K
Units per listing a year
5,000–6,000
Revenue per listing a year
$127K–$153K
Returns
0.0%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

81% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #113 within L-Carnitine. It carries 2,044 reviews at 4.49 stars, so a new listing needs social proof before a better product.

Sponsored listings
81%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#113in L-Carnitine
Average rating
4.49 starsAmazon United States average 4.42 stars
Average reviews
2,044per listing
Listings tracked
36

04 · Newcomers

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

3 products launched here in the last 12 months. 3 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 69 months on average, so the names here are established.

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

Products

Top L Carnitine 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 only 40% of clicks. An open shelf where new products get seen.

Brands

22 rising

Sellers

56

Top-5 brand share

56%

Top 20: 98%

Top-5 click share

40%

Top 20: 82%

Open market

38%

  • Brand 118%
  • Brand 214%
  • Brand 310%
  • Brand 48%
  • Brand 56%
  • Brand 66%

Demand

L Carnitine search demand

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

70K50KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Apr · busiest ÷ quietest = 1.7×

Search terms

Top L Carnitine search terms shoppers use

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

  • l carnitine1.3M/yr
  • l-carnitine434K/yr
  • carnitine254K/yr
  • l carnitine supplement138K/yr
  • l-carnitine supplements25K/yr
  • lcarnitine for weight loss36K/yr
  • l carnitina20K/yr
  • carnitine supplement22K/yr
  • lcarnitine16K/yr
  • l- carnitine18K/yr

Reviews and returns

What reviews say buyers love and hate about L Carnitine

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

14%of positive reviews mention “Taste-Overall”
11%of negative reviews mention “Functionality-Overall”
<0.1%of orders come back, a rate Amazon rounds to zero
“No effective”
A buyer, on “Functionality-Overall”11% 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.

18 topics

NegativePositive

FAQ

Common L Carnitine questions

Answered from the same tracked data.