L Citrulline
brand-locked demand (top 5 brands take 95% of clicks) — L Citrulline doesn't clear our bar today.
Flapen Score
Is L Citrulline profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, L Citrulline is a £173K/yr Amazon United Kingdom market (175K searches/yr). The top 5 brands hold 95% of demand. Demand peaks in May. Verdict: Skip it — 43/100.
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 -11.5% over the last 90 days and 10.2% of searches end in a purchase.
£173K
revenue / yr
Who owns the niche?
The top 5 brands hold 95% of demand, so 5% of the market is open.
5%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.3★ — the gap to enter on.
0/100
page quality · 10 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 3000mg - 240 L-Citrulline Capsules - 2 Months Supply
- Price
- £16.42
- Rating
- 4.3/5
- Reviews
- 1,331
- Age
- 2y ago

Beetroot Complex & L-Citrulline 10 000mg | 180 Capsules | High Strength | Nitric Oxide Booster to Support Circulation for Energy & Daily Wellness | Vegan Non-GMO UK Made 3 Months | EVO NUTRITION
- Price
- £8.11
- Rating
- 4.4/5
- Reviews
- 1,301
- Age
- 11mo ago

L-Citrulline Malate 1500mg with BioPerine - 90 Vegan Capsules - High Strength Fermented Amino Acid Supplement - 45 Day Supply - Resealable and Recyclable Pouch by Alpha01
- Price
- £6.52
- Rating
- 4.5/5
- Reviews
- 156
- Age
- 6y ago

Applied Nutrition L-Citrulline 1500-1500mg L Citrulline Per Serving Citrulline Capsules for Muscle Pump Muscle Recovery Supplement Increases Levels of L-Arginine and Nitric Oxide - 60 Servings
- Price
- £10.73
- Rating
- 4.1/5
- Reviews
- 40
- Age
- 1y ago

Applied Nutrition Citrulline Malate 2:1 | 3000mg per Serving Nitric Oxide Booster Amino Acid Powder Supports Muscle Recovery Improves Performance Vegan Gluten Free (300g - 100 Servings) (Unflavoured)
- Price
- £10.80
- Rating
- 4.6/5
- Reviews
- 218
- Age
- 2y ago
Trending
90-day click momentum
L-Citrulline Malate Powder 500g Unflavoured 5 Grams per Serving Vegan Fermented Amino Acid Resealable and Recyclable Pouch by Alpha01
- Price
- £6.78
- Rating
- 4.3/5
- Reviews
- 19
- Age
- 6y ago

Beetroot Complex & L-Citrulline 10 000mg | 180 Capsules | High Strength | Nitric Oxide Booster to Support Circulation for Energy & Daily Wellness | Vegan Non-GMO UK Made 3 Months | EVO NUTRITION
- Price
- £8.11
- Rating
- 4.4/5
- Reviews
- 1,301
- Age
- 11mo ago

Applied Nutrition L-Citrulline 1500-1500mg L Citrulline Per Serving Citrulline Capsules for Muscle Pump Muscle Recovery Supplement Increases Levels of L-Arginine and Nitric Oxide - 60 Servings
- Price
- £10.73
- Rating
- 4.1/5
- Reviews
- 40
- Age
- 1y ago

Applied Nutrition Citrulline Malate 2:1 | 3000mg per Serving Nitric Oxide Booster Amino Acid Powder Supports Muscle Recovery Improves Performance Vegan Gluten Free (300g - 100 Servings) (Unflavoured)
- Price
- £10.80
- Rating
- 4.6/5
- Reviews
- 218
- Age
- 2y ago

Bulk Citrulline Malate 500 g
- Price
- £7.94
- Rating
- 4.2/5
- Reviews
- 456
- Age
- 12y ago
Newest
by launch date
Beetroot Complex & L-Citrulline 10 000mg | 180 Capsules | High Strength | Nitric Oxide Booster to Support Circulation for Energy & Daily Wellness | Vegan Non-GMO UK Made 3 Months | EVO NUTRITION
- Price
- £8.11
- Rating
- 4.4/5
- Reviews
- 1,301
- Age
- 11mo ago

Applied Nutrition L-Citrulline 1500-1500mg L Citrulline Per Serving Citrulline Capsules for Muscle Pump Muscle Recovery Supplement Increases Levels of L-Arginine and Nitric Oxide - 60 Servings
- Price
- £10.73
- Rating
- 4.1/5
- Reviews
- 40
- Age
- 1y ago

Applied Nutrition Citrulline Malate 2:1 | 3000mg per Serving Nitric Oxide Booster Amino Acid Powder Supports Muscle Recovery Improves Performance Vegan Gluten Free (300g - 100 Servings) (Unflavoured)
- Price
- £10.80
- Rating
- 4.6/5
- Reviews
- 218
- Age
- 2y ago

L Citrulline 3000mg - 240 L-Citrulline Capsules - 2 Months Supply
- Price
- £16.42
- Rating
- 4.3/5
- Reviews
- 1,331
- Age
- 2y ago

Bandini CITRULLINE Malate 90 Tablets 3000 mg per Daily Dose - Extra-High Dosage (1 Month Coverage) - 100% Vegan L-Citrulline from Fermentation - Citrullin for Athletes and Bodybuilders
- Price
- £8.80
- Rating
- 4.3/5
- Reviews
- 1,292
- Age
- 3y ago
Competition: brands, sellers & click share
The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.
Brands
7 falling
Sellers
21
Top-5 brand share
95%
Top 20: 100%
Top-5 click share
83%
Top 20: 100%
Open market
2%
- WeightWorld40%
- Applied Nutrition17%
- EVO NUTRITION16%
- ALPHA0114%
- Best Naturals9%
- Bulk3%
- Open — no brand owns it (1 brand, 2%)
L Citrulline demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Peak months: May · busiest ÷ quietest = 1.6×
Top L Citrulline search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- l citrulline73K/yr
- l-citrulline45K/yr
- citrulline28K/yr
- l- citrulline8K/yr
- l citrulline capsules12K/yr
- l-citrulline capsules4K/yr
- lcitrulline3K/yr
- citruline3K/yr
What reviews say buyers love and hate about L Citrulline
What buyers mention most, as a share of all reviews.
What buyers love
72% of reviews“Well-made, easy to take”
“Good value”
“As advertised well pleased”
“easy to take without any gut issues”
“blood pressure is good”
What buyers complain about
59% of reviews“Can't say if they've done anything for me after taking 180 tablets”
“have no taste”
“Not working”
“Very poor quality as the main ingredient is corn starch which is just a filler”
“They are small”
Common L Citrulline questions
The questions sellers ask about this niche, answered from the tracked metrics.
Best Flapen score
The highest-scoring niches we track right now, across every category.









