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L Theanine Liquid

Fail

The top 5 products take 87% of clicks, so L Theanine Liquid is a Fail.

Flapen Score
48
48 / 100
Ranks 7,720 of 14,768 Health & Household niches · −1 vs the category median of 49
Market size
$135K/yr67K searches / yr
90-day growth
-16.4%search demand this quarter
Competition
87%top-5 click share · 7 brands · 518 sellers

Flapen Score

L Theanine Liquid against its category

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

48Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The L Theanine Liquid market on Amazon at a glance

Shoppers on Amazon United States searched for L Theanine Liquid 67K times last year and spent an estimated $135K. The top 5 brands take 87% of clicks. Demand peaks in Jan. Flapen scores it 48 out of 100, a Fail.

01 · Demand

An estimated 10.3% of those searches ended in a purchase.

Shoppers searched for this 67K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 10.3% of those searches ended in a purchase. Searches in the last 90 days moved -16.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $135K a year.

Searches, last 12 months
67K
Growth, 90 days vs prior 90
-16.4%
Conversion, latest week
10.3%
Market size, estimated
$135Ka year
Peak month
January1.8× the quietest month
Top search term
l theanine drops31K searches a year

02 · Price

A sale here is worth $19.48.

Listings sell for $19.48 on average, from $10.03 to $36.55. Amazon reports units sold in ranges. This niche sold 5K to 6K a year. The average listing sells 500 to 750 of them. At $19.48 that is $10K to $15K a year per listing.

Average price
$19.48inside the $15 to $100 sweet spot
Price range
$10.03–$36.55
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
5K–6K
Units per listing a year
500–750
Revenue per listing a year
$10K–$15K
Returns
0.0%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is ads.

100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 17.3% of listings are out of stock. The average listing ranks #1,250 within Sleep Supplements. It carries 601 reviews at 4.39 stars, so a new listing needs social proof before a better product.

Sponsored listings
100%
Prime listings
100%
Out of stock, average day
17.3%
Average rank
#1,250in Sleep Supplements
Average rating
4.39 starsAmazon United States average 4.42 stars
Average reviews
601per listing
Listings tracked
7

04 · Newcomers

1 of last year's 2 launches cleared the first-year sales bar.

2 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 48 months on average, so the names here are settling in.

Launched, last 12 months
2
Successful launches
1Amazon's first-year sales bar
Average brand age
48 months

Products

Top L Theanine Liquid 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 87% of clicks. A locked shelf that new listings rarely crack.

Brands

7 flat

Sellers

518

Top-5 brand share

87%

Top 20: 100%

Top-5 click share

87%

Top 20: 100%

Open market

5%

  • Brand 141%
  • Brand 214%
  • Brand 312%
  • Brand 410%
  • Brand 510%
  • Brand 68%
  • Open — no brand owns it (1 brand, 5%)

Demand

L Theanine Liquid search demand

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

2K2KSpike '24Spike '25Prime Day '25Spike '26DecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 1.8×

Search terms

Top L Theanine Liquid search terms shoppers use

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

  • l theanine drops31K/yr
  • l theanine liquid12K/yr
  • l-theanine drops7K/yr
  • l-theanine liquid4K/yr
  • l-theanine liquid drops4K/yr
  • l theanine liquid drops5K/yr
  • liquid l theanine4K/yr

Reviews and returns

What reviews say buyers love and hate about L Theanine Liquid

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

18%of positive reviews mention “Sleep Quality”
16%of negative reviews mention “Taste-Overall”
<0.1%of orders come back, a rate Amazon rounds to zero
“Taste awful”
A buyer, on “Taste-Overall”16% 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 Theanine Liquid questions

Answered from the same tracked data.