L Arginine
PassL Arginine scores 66 out of 100, a Pass. Shoppers spend an estimated $3.9M a year here, search demand grew +2.8% this quarter, and an estimated 0.0% of orders come back.
- Flapen Score
- 66 / 100Top 3% of 14,768 Health & Household niches · +17 vs the category median of 4966
- Market size
- $3.9M/yr1.6M searches / yr
- 90-day growth
- +2.8%search demand this quarter
- Competition
- 56%top-5 click share · 17 brands · 65 sellers
Flapen Score
L Arginine against its category
The dotted line is the Health & Household average. Past it, L Arginine is stronger. Inside it, weaker.
Market
The L Arginine market on Amazon at a glance
Shoppers on Amazon United States searched for L Arginine 1.6M times last year and spent an estimated $3.9M. The top 5 brands take 70% of clicks. Flapen scores it 66 out of 100, a Pass.
01 · Demand
An estimated 11.3% of those searches ended in a purchase.
Shoppers searched for this 1.6M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 11.3% of those searches ended in a purchase. Searches in the last 90 days moved +2.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $3.9M a year.
- Searches, last 12 months
- 1.6M
- Growth, 90 days vs prior 90
- +2.8%
- Conversion, latest week
- 11.3%
- Market size, estimated
- $3.9Ma year
- Peak month
- March1.2× the quietest month
- Top search term
- l arginine518K searches a year
02 · Price
A sale here is worth $21.12.
Listings sell for $21.12 on average, from $7.76 to $47.79. Amazon reports units sold in ranges. This niche sold 150K to 200K a year. The average listing sells 6,000 to 8,000 of them. At $21.12 that is $127K to $169K a year per listing.
- Average price
- $21.12inside the $15 to $100 sweet spot
- Price range
- $7.76–$47.79
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 150K–200K
- Units per listing a year
- 6,000–8,000
- Revenue per listing a year
- $127K–$169K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
81% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.5% of listings are out of stock. The average listing ranks #139 within Amino Acids. It carries 9,642 reviews at 4.46 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 81%
- Prime listings
- 100%
- Out of stock, average day
- 0.5%
- Average rank
- #139in Amino Acids
- Average rating
- 4.46 starsAmazon United States average 4.42 stars
- Average reviews
- 9,642per listing
- Listings tracked
- 27
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 78 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
- 78 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 for Men Nitric Oxide Support 30 Servings
- Price
- $23.73
- Rating
- 4.2/5
- Reviews
- 55,008
- Age
- 9y ago

Natures Bounty L-Arginine 1000mg for Supporting Blood Flow and Vascular Function Non-GMO Gluten Free 50 Tablets
- Price
- $10.27
- Rating
- 4.5/5
- Reviews
- 10,801
- Age
- 16y ago

NOW Foods Supplements L-Arginine 1 000 mg Nitric Oxide Precursor* Amino Acid 120 Tablets
- Price
- $17.04
- Rating
- 4.5/5
- Reviews
- 14,869
- Age
- 22y ago

Nutricost L-Arginine 1000mg Amino Acid Tablets (150 Tablets)
- Price
- $15.85
- Rating
- 4.4/5
- Reviews
- 2,360
- Age
- 6y ago

(New Improved Formula) Best Naturals L-Arginine 1000 mg 120 Tablets - Pharmaceutical Grade L Arginine Supplement Promotes Nitric Oxide Synthesis
- Price
- $9.69
- Rating
- 4.6/5
- Reviews
- 8,148
- Age
- 12y ago
Trending
estimated 90-day click momentum
Zeal Naturals L-Arginine Supplement - 3000mg 150 Tablets | Nitric Oxide Booster | L Arginine Supplement for Men & Women | Support Energy Circulation Muscle Growth
- Price
- $28.08
- Rating
- 4.4/5
- Reviews
- 2,242
- Age
- 6y ago

Horbach L-Arginine L-Citrulline Complex | 3000mg | 250 Capsules
- Price
- $20.24
- Rating
- 4.6/5
- Reviews
- 1,217
- Age
- 3y ago

Micro Ingredients L-Arginine 1000mg with MCT Oil 300 Softgels | Nitric Oxide Precursor* for Men & Women | Extra Strength Amino Acid Formula for Daily Wellness | Non-GMO Gluten Free No Soy
- Price
- $15.69
- Rating
- 4.5/5
- Reviews
- 167
- Age
- 1y ago

Nutricost L-Arginine 1000mg Amino Acid Tablets (300 Tablets)
- Price
- $25.57
- Rating
- 4.4/5
- Reviews
- 2,360
- Age
- 6y ago

L-Arginine and L-Citrulline for Men Nitric Oxide Support 30 Servings
- Price
- $23.73
- Rating
- 4.2/5
- Reviews
- 55,008
- Age
- 9y ago
Newest
by launch date
Micro Ingredients L-Arginine 1000mg with MCT Oil 300 Softgels | Nitric Oxide Precursor* for Men & Women | Extra Strength Amino Acid Formula for Daily Wellness | Non-GMO Gluten Free No Soy
- Price
- $15.69
- Rating
- 4.5/5
- Reviews
- 167
- Age
- 1y ago

PRISTINES L Arginine 1000mg Capsule Supplements for Men & Women - 90 Day Supply Nitric Oxide & Pre Workout Amino Acid Support - Glass Bottle
- Price
- $17.33
- Rating
- 4.5/5
- Reviews
- 431
- Age
- 2y ago

BulkSupplements.com L-Arginine Capsules - Arginine Supplement Nitric Oxide Supplement - Gluten Free 8 Capsules per Serving (5000mg) 240 Count (Pack of 1)
- Price
- $16.98
- Rating
- 4.5/5
- Reviews
- 427
- Age
- 2y ago

Horbach L-Arginine L-Citrulline Complex | 3000mg | 250 Capsules
- Price
- $20.24
- Rating
- 4.6/5
- Reviews
- 1,217
- Age
- 3y ago

Force Factor L-Arginine Nitric Oxide Supplement with BioPerine to Help Build Muscle and Support Stronger Blood Flow Circulation Nutrient Delivery and Pumps L-Arginine 3000mg 3g 150 Capsules
- Price
- $11.11
- Rating
- 4.4/5
- Reviews
- 2,484
- Age
- 5y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 56% of clicks. Leaders hold, but buyers still shop past them.
Brands
17 rising
Sellers
65
Est. top-5 brand share
70%
Top 20: 100%
Est. top-5 click share
56%
Top 20: 93%
Open market
24%
- HAVASU NUTRITION20%
- NOW Foods15%
- Nutricost15%
- Nature's Bounty13%
- Best Naturals7%
- Pure Encapsulations7%
Demand
L Arginine search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.2×
Search terms
Top L Arginine search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- l arginine518K/yr
- l-arginine311K/yr
- arginine197K/yr
- l arginine supplements for men226K/yr
- arginine supplement76K/yr
- l arginine 1000mg32K/yr
- l-arginine 1000mg19K/yr
- larginine supplements for men34K/yr
- arginina for men19K/yr
- larginine27K/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.
“the tablets are very large”
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.
17 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









