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L Citrulline

Fail

Shoppers spend an estimated $4K a year here, so L Citrulline is a Fail.

Flapen Score
42
42 / 100
Top 24% of 198 Health, Household and Personal Care niches · +5 vs the category median of 37
Market size
$4K/yr3K searches / yr
90-day growth
+18.3%search demand this quarter
Competition
93%top-5 click share · 6 brands · 4 sellers

Flapen Score

L Citrulline against its category

The dotted line is the Health, Household and Personal Care average. Past it, L Citrulline is stronger. Inside it, weaker.

42Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The L Citrulline market on Amazon at a glance

Shoppers on Amazon Singapore searched for L Citrulline 3K times last year and spent an estimated $4K. The top 5 brands take 93% of clicks. Flapen scores it 42 out of 100, a Fail.

01 · Demand

An estimated 4.7% of those searches ended in a purchase.

Shoppers searched for this 3K times in the last 12 months. That counts every search on Amazon Singapore for this niche's terms. An estimated 4.7% 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 $4K a year.

Searches, last 12 months
3K
Growth, 90 days vs prior 90
+18.3%
Conversion, latest week
4.7%
Market size, estimated
$4Ka year
Top search term
l citrulline1K searches a year

02 · Price

A sale here is worth $31.34.

Listings sell for $31.34 on average, from $24.20 to $49.55. Amazon reports units sold in ranges. This niche sold 100 to 250 a year. The average listing sells 0 to 100 of them. At $31.34 that is $0 to $3K a year per listing.

Average price
$31.34inside the $15 to $100 sweet spot
Price range
$24.20–$49.55
Amazon Singapore median price
$30.00across 1,590 niches
Units sold a year
100–250
Units per listing a year
0–100
Revenue per listing a year
$0–$3K
Returns
0.0%of orders · Amazon Singapore median 0.0%

03 · Entry bar

The bar here is reviews.

17% of listings pay for placement with sponsored ads. 67% ship with Prime. On an average day, 10.1% of listings are out of stock. The average listing ranks #135 within Health, Household and Personal Care. It carries 4,344 reviews at 4.42 stars, so a new listing needs social proof before a better product.

Sponsored listings
17%
Prime listings
67%
Out of stock, average day
10.1%
Average rank
#135in Health, Household and Personal Care
Average rating
4.42 starsAmazon Singapore average 4.47 stars
Average reviews
4,344per listing
Listings tracked
6

04 · Newcomers

Brands here are established.

The brands on the shelf have sold for 89 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
89 months

Products

Top L Citrulline products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 24, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 93% of clicks. A locked shelf that new listings rarely crack.

$0$435$870$1K$2K1001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

6 falling

Sellers

4

Est. top-5 brand share

93%

Top 20: 100%

Est. top-5 click share

93%

Top 20: 100%

Open market

0%

  • Horbäach38%
  • Nutricost23%
  • BulkSupplements13%
  • Now Foods9%
  • Doctor's Best9%
  • Snap Supplements7%
  • Open — no brand owns it (0%)

Demand

L Citrulline search demand

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

12575Spike '25Black Friday '25Spike '26Prime Day '26OctNovDecJanFebMarAprMayJunJul

Peak months: Jun, Nov · busiest ÷ quietest = 2.1× · 10 of 12 months tracked

Search terms

Top L Citrulline search terms shoppers use

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

  • l citrulline1K/yr
  • l-citrulline929/yr
  • citrulline805/yr

FAQ

Common L Citrulline questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data