L Arginine
L Arginine shows low returns (0.1%), but soft demand (-5.8% this quarter) keeps it on the watch list.
Flapen Score
Is L Arginine profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, L Arginine is a £156K/yr Amazon United Kingdom market (157K searches/yr). The top 5 brands hold 67% of demand. Verdict: Worth a look — 54/100.
L Arginine: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Worth a look. Search demand moved -5.8% over the last 90 days and 9.2% of searches end in a purchase.
£156K
revenue / yr
Who owns the niche?
The top 5 brands hold 67% of demand, so 33% of the market is open.
33%
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 · 24 products
Top L Arginine 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 Arginine and L Citrulline 1200mg Capsules | 180 Count | Amino Acids | Supplements for Men and Women | Suitable for Vegans & Vegetarians | by Horbaach
- Price
- £8.39
- Rating
- 4.4/5
- Reviews
- 953
- Age
- 5y ago
Solgar L-Arginine 1000mg Tablets - Pack of 90 - for a Healthy Metabolism - Ideal for Athletes - Vegan and Gluten Free Gold
- Price
- £14.40
- Rating
- 4.5/5
- Reviews
- 490
- Age
- 15y ago
L Arginine 4500 mg 360 Capsules for Sport Performance Booster Supplements for Men and Women Natural Supplement of Pure L Arginine Without Additives Vitamaze
- Price
- £15.73
- Rating
- 4.3/5
- Reviews
- 5,376
- Age
- 11y ago
L Arginine Supplement for Men | NO Nitric Oxide Supplements for Men | Workouts & Endurance | L-Arginine L Citrulline Complex with Beet Root Powder for Male Health | Non-GMO Gluten-Free | 60 Ct
- Price
- £15.77
- Rating
- 4.2/5
- Reviews
- 46,796
- Age
- 9y ago
Bandini L-Arginine 360 Capsules - 4500 mg High Dosage - Caps with Pure L Arginin HCL Powder - Natural Food Supplement - No Additives Vegan - Ideal for Athletes - Italian Quality
- Price
- £14.73
- Rating
- 4.2/5
- Reviews
- 415
- Age
- 2y ago
Trending
90-day click momentum
L Arginine and L Citrulline with Beetroot Extract - Nitric Oxide Supplement - 120 Vegan Capsules 2 Month Supply for Men & Women - Non-GMO UK Made by New Leaf
- Price
- £11.66
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 1mo ago
Solgar L-Arginine 1000mg Tablets - Pack of 90 - for a Healthy Metabolism - Ideal for Athletes - Vegan and Gluten Free Gold
- Price
- £14.40
- Rating
- 4.5/5
- Reviews
- 490
- Age
- 15y ago
Best Naturals L-Arginine L-Citrulline Complex 1000 mg 250 Tablets (250 Count (Pack of 1))
- Price
- £18.07
- Rating
- 4.3/5
- Reviews
- 3,059
- Age
- 11y ago
Nuke Nutrition L Arginine Capsules 1500mg - 60 Capsules - Nitric Oxide Supplement for Men & Women to Improve Muscle Strength Endurance & Mass - Nutritional Pre Workout - Nitric Acid Pills for Energy
- Price
- £7.51
- Rating
- 4.4/5
- Reviews
- 620
- Age
- 4y ago
Nitric Oxide L-Arginine 100% Pre Workout Supports Athletic Performance and Muscle Building | 120 Capsules
- Price
- £6.45
- Rating
- 4.4/5
- Reviews
- 329
- Age
- 5y ago
Newest
by launch dateL Arginine and L Citrulline with Beetroot Extract - Nitric Oxide Supplement - 120 Vegan Capsules 2 Month Supply for Men & Women - Non-GMO UK Made by New Leaf
- Price
- £11.66
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 1mo ago
Bandini L-Arginine 360 Capsules - 4500 mg High Dosage - Caps with Pure L Arginin HCL Powder - Natural Food Supplement - No Additives Vegan - Ideal for Athletes - Italian Quality
- Price
- £14.73
- Rating
- 4.2/5
- Reviews
- 415
- Age
- 2y ago
Applied Nutrition AAKG - L Arginine Alpha Ketoglutarate 3000mg per Serving Nitric Oxide Pre Workout Energy Boost Muscle Pump Supplement (300g - 100 Servings)
- Price
- £12.24
- Rating
- 4.6/5
- Reviews
- 53
- Age
- 2y ago
3 000mg Nitric Oxide Supplement - 99% Purified L-Arginine and L-Citrulline - Beet Root - Clinically Studied Velox Blend - Nitric Oxide Booster for Men - 120 Capsules - Toniiq
- Price
- £18.79
- Rating
- 4.1/5
- Reviews
- 954
- Age
- 2y ago
Applied Nutrition L-Arginine Capsules - 1500mg High Strength L Arginine Per Serving Nitric Oxide Booster for Workout & Performance (60 Servings)
- Price
- £13.26
- Rating
- 4.2/5
- Reviews
- 16
- Age
- 2y ago
Competition: brands, sellers & click share
The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.
Brands
16 falling
Sellers
37
Top-5 brand share
67%
Top 20: 100%
Top-5 click share
51%
Top 20: 96%
Open market
25%
- Best Naturals20%
- Horbäach16%
- Solgar15%
- Vitamaze - amazing life9%
- HAVASU NUTRITION8%
- ALPHA018%
L Arginine demand & seasonality
Weekly search volume, with the niche's key stats alongside.
No pronounced peak months · busiest ÷ quietest = 1.4×
Top L Arginine search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- l arginine66K/yr
- l-arginine38K/yr
- arginine24K/yr
- arginine supplement8K/yr
- larginine5K/yr
- l arginine 1000mg capsules6K/yr
- larginine supplements men4K/yr
- l-arginine nutritional supplements3K/yr
- l arginine supplements for men3K/yr
What reviews say buyers love and hate about L Arginine
What buyers mention most, as a share of all reviews.
What buyers love
80% of reviews“so far no complaints”
“fair price”
“does the job”
“Seems effective and simple to take”
“This supplement has really sorted out my BP”
What buyers complain about
71% of reviews“No idea whether they work or not”
“Overpriced”
“Very misleading”
“Amoyyou have to take”
“Appears to have an aphrodisiac side effect”
L Arginine return rate & reasons
Why buyers send it back, as a share of all return requests.
0.1%
Return rate
8%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common L Arginine questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
