How competitive is the L Citrulline niche on Amazon Singapore?

6 brands and 4 sellers compete in L Citrulline on Amazon Singapore. The top 5 L Citrulline products take 93% of clicks and its top 5 brands hold 93% of demand.

L Citrulline

a small market ($4K/yr) — L Citrulline doesn't clear our bar today.

Flapen Score

Skip it

Top 24% of 198 Health, Household and Personal Care niches · +5 vs the category median of 37

This niche Category average · 198 niches

Is L Citrulline profitable on Amazon?

According to Flapen's Amazon Singapore niche tracking, L Citrulline is a $4K/yr Amazon Singapore market (3K searches/yr). The top 5 brands hold 93% of demand. Verdict: Skip it — 42/100.

L Citrulline: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved +18.3% over the last 90 days and 4.7% of searches end in a purchase.

$4K

revenue / yr

Units sold / yr250

Search volume / yr+18.3%3K

Conversion rate4.7%

Avg price$31.34

Who owns the niche?

The top 5 brands hold 93% of demand, so 7% of the market is open.

open market share

Brands · sellers6 · 4

Top-5 product click share93%

Open market7%

Avg brand age89 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.4★ — the gap to enter on.

0/100

page quality · 6 products

Top L Citrulline products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Top sellers

by 90-day click share

L Citrulline 2400 mg per Serving | 180 Capsules | Maximum Strength Free Form Amino Acid | Non-GMO Gluten Free L-Citrulline Supplement | by Horbaach

Price: $25.36
Rating: 4.5/5
Reviews: 1,431
Age: 6y ago

Nutricost L-Citrulline 2500mg Per Serving 60 Servings 1250mg Per Tablet 120 Tabs - Non-GMO and Gluten Free Supplement

Price: $24.20
Rating: 4.5/5
Reviews: 1,055
Age: 4y ago

BulkSupplements.com L-Citrulline Powder - Citrulline Supplement Citrulline Pharmaceutical Grade Citrulline Powder - Citrulline 3000mg 3g per Servings 333 Servings 1kg (2.2 lbs)

Price: $49.55
Rating: 4.6/5
Reviews: 4,193
Age: 11y ago

NOW Supplements L-Citrulline Pure Powder Supports Protein Metabolism* 4-Ounce

Price: $25.44
Rating: 4.2/5
Reviews: 318
Age: 16y ago

Doctors Best L-Citrulline Non-GMO Vegan Gluten Free Soy Free 200g

Price: $26.38
Rating: 4.4/5
Reviews: 806
Age: 10y ago

Newest

by launch date

Nutricost L-Citrulline 2500mg Per Serving 60 Servings 1250mg Per Tablet 120 Tabs - Non-GMO and Gluten Free Supplement

Price: $24.20
Rating: 4.5/5
Reviews: 1,055
Age: 4y ago

L Citrulline 2400 mg per Serving | 180 Capsules | Maximum Strength Free Form Amino Acid | Non-GMO Gluten Free L-Citrulline Supplement | by Horbaach

Price: $25.36
Rating: 4.5/5
Reviews: 1,431
Age: 6y ago

Nitric Oxide Booster by Snap Supplements - Pre Workout Muscle Builder - L Arginine L Citrulline 1500mg Formula Tribulus Extract & Panax Ginseng Strength & Endurance 60 Capsules

Price: $37.10
Rating: 4.3/5
Reviews: 18,260
Age: 7y ago

Doctors Best L-Citrulline Non-GMO Vegan Gluten Free Soy Free 200g

Price: $26.38
Rating: 4.4/5
Reviews: 806
Age: 10y ago

BulkSupplements.com L-Citrulline Powder - Citrulline Supplement Citrulline Pharmaceutical Grade Citrulline Powder - Citrulline 3000mg 3g per Servings 333 Servings 1kg (2.2 lbs)

Price: $49.55
Rating: 4.6/5
Reviews: 4,193
Age: 11y ago

Competition: brands, sellers & click share

The top 5 products capture 93% of clicks — a locked-up shelf that new listings rarely crack.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

6 falling

Sellers

Top-5 brand share

93%

Top 20: 100%

Top-5 click share

93%

Top 20: 100%

Open market

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

L Citrulline demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume3KCVR4.7%Products6Brands6Top 5 Brands93%OOS Rate10.1%Rating4.4★Reviews4,344Avg BSR#135

Top L Citrulline search terms shoppers use

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

l citrulline1K/yr +7.7%1.6% conv.
l-citrulline929/yr +28.6%2.3% conv.
citrulline805/yr +22.6%2.6% conv.

Common L Citrulline questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores L Citrulline 42/100 on Amazon Singapore — Skip it. The niche generates $4K/yr across 6 tracked products. Search demand moved +18.3% over the last 90 days.

L Citrulline sells for $31.34 on average on Amazon Singapore, inside our $15–$100 sweet spot. Listings span $24.20–$49.55. The average incumbent carries 4,344 reviews — the moat a new listing must climb.