L Arginine
MaybeAn estimated 0.1% of orders come back. But demand is soft, at -5.8% this quarter, so L Arginine is a Maybe.
- Flapen Score
- 54 / 100Top 25% of 2,035 Health & Personal Care niches · +6 vs the category median of 4854
- Market size
- £156K/yr157K searches / yr
- 90-day growth
- -5.8%search demand this quarter
- Competition
- 51%top-5 click share · 16 brands · 37 sellers
Flapen Score
L Arginine against its category
The dotted line is the Health & Personal Care average. Past it, L Arginine is stronger. Inside it, weaker.
Market
The L Arginine market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for L Arginine 157K times last year and spent an estimated £156K. The top 5 brands take 67% of clicks. Flapen scores it 54 out of 100, a Maybe.
01 · Demand
An estimated 9.2% of those searches ended in a purchase.
Shoppers searched for this 157K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 9.2% of those searches ended in a purchase. Searches in the last 90 days moved -5.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated £156K a year.
- Searches, last 12 months
- 157K
- Growth, 90 days vs prior 90
- -5.8%
- Conversion, latest week
- 9.2%
- Market size, estimated
- £156Ka year
- Peak month
- November1.4× the quietest month
- Top search term
- l arginine66K searches a year
02 · Price
A sale here is worth £10.85.
Listings sell for £10.85 on average, from £3.06 to £18.79. Amazon reports units sold in ranges. This niche sold 13K to 15K a year. The average listing sells 500 to 750 of them. At £10.85 that is £5K to £8K a year per listing.
- Average price
- £10.85under the $15 to $100 sweet spot
- Price range
- £3.06–£18.79
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 13K–15K
- Units per listing a year
- 500–750
- Revenue per listing a year
- £5K–£8K
- Returns
- 0.1%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is reviews.
79% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 1.0% of listings are out of stock. The average listing ranks #19 within Amino Acids. It carries 2,767 reviews at 4.33 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 79%
- Prime listings
- 100%
- Out of stock, average day
- 1.0%
- Average rank
- #19in Amino Acids
- Average rating
- 4.33 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 2,767per listing
- Listings tracked
- 24
04 · Newcomers
0 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 46 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 46 months
Products
Top L Arginine 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 25, 2026. The live listing can differ.
Top sellers
by estimated 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
estimated 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 date
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

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
Competition: brands, sellers & click share
The top 5 products take an estimated 51% of clicks. Leaders hold, but buyers still shop past them.
Brands
16 falling
Sellers
37
Est. top-5 brand share
67%
Top 20: 100%
Est. top-5 click share
51%
Top 20: 96%
Open market
25%
- Best Naturals20%
- Horbäach16%
- Solgar15%
- Vitamaze - amazing life9%
- HAVASU NUTRITION8%
- ALPHA018%
Demand
L Arginine search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.4×
Search terms
Top L Arginine search terms shoppers use
The exact words shoppers type, with estimated 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
Reviews and returns
What reviews say buyers love and hate about L Arginine
We read the reviews and the return reasons for every product selling here.
“No idea whether they work or not”
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.
20 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common L Arginine 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









