Nitric Oxide Test Strips
FailThe top 5 products take 83% of clicks, so Nitric Oxide Test Strips is a Fail.
- Flapen Score
- 49 / 100Ranks 7,059 of 14,768 Health & Household niches · on the category median49
- Market size
- $77K/yr28K searches / yr
- 90-day growth
- -16.4%search demand this quarter
- Competition
- 83%top-5 click share · 7 brands · 8 sellers
Flapen Score
Nitric Oxide Test Strips against its category
The dotted line is the Health & Household average. Past it, Nitric Oxide Test Strips is stronger. Inside it, weaker.
Market
The Nitric Oxide Test Strips market on Amazon at a glance
Shoppers on Amazon United States searched for Nitric Oxide Test Strips 28K times last year and spent an estimated $77K. The top 5 brands take 90% of clicks. Flapen scores it 49 out of 100, a Fail.
01 · Demand
An estimated 15.3% of those searches ended in a purchase.
Shoppers searched for this 28K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 15.3% of those searches ended in a purchase. Searches in the last 90 days moved -16.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $77K a year.
- Searches, last 12 months
- 28K
- Growth, 90 days vs prior 90
- -16.4%
- Conversion, latest week
- 15.3%
- Market size, estimated
- $77Ka year
- Peak month
- August1.4× the quietest month
- Top search term
- nitric oxide test strips19K searches a year
02 · Price
A sale here is worth $17.97.
Listings sell for $17.97 on average, from $8.73 to $39.69. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 500 to 750 of them. At $17.97 that is $9K to $13K a year per listing.
- Average price
- $17.97inside the $15 to $100 sweet spot
- Price range
- $8.73–$39.69
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 4K–5K
- Units per listing a year
- 500–750
- Revenue per listing a year
- $9K–$13K
- Returns
- 0.4%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
88% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #182 within Pre-Workout. It carries 386 reviews at 4.28 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 88%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #182in Pre-Workout
- Average rating
- 4.28 starsAmazon United States average 4.42 stars
- Average reviews
- 386per listing
- Listings tracked
- 8
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 68 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
- 68 months
Products
Top Nitric Oxide Test Strips 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 10, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Humann - Nitric Oxide I Indicator Strips - Test salivary Nitrite Levels - 1 Tube of 25 Strips
- Price
- $13.95
- Rating
- 4.4/5
- Reviews
- 2,420
- Age
- 9y ago

Berkeley Life Nitric Oxide Test Strips - at-Home Non-Invasive Saliva Testing Kit to Assess Nitric Oxide Levels for Men & Women - 10 Individually Sealed Indicator Strips
- Price
- $9.97
- Rating
- 3.7/5
- Reviews
- 254
- Age
- 1y ago

Sooenben Nitric Oxide Test Strips Test Salivary Nitrite Levels Monitoring the Effect of Nitric Oxide Supplements Nitric Oxide Indicator Strips Easy to Use and Fast Result
- Price
- $10.02
- Rating
- 4.5/5
- Reviews
- 50
- Age
- 1y ago

Berkeley Life Nitric Oxide Test Strips - at-Home Non-Invasive Saliva Testing Kit to Assess Nitric Oxide Levels for Men & Women - 50 Individually Sealed Indicator Strips
- Price
- $39.69
- Rating
- 3.7/5
- Reviews
- 254
- Age
- 13y ago

Nitric Oxide Test Strips (25 Pack) Easy-to-Use Saliva Test for Nitric Oxide Levels | Results in 15 Seconds | Track the Effects of NO Supplements | Support Energy Circulation & Natural Wellness
- Price
- $12.03
- Rating
- 5.0/5
- Reviews
- 3
- Age
- 1y ago
Trending
estimated 90-day click momentum
Nitric Oxide Test Strips (25 Pack) Easy-to-Use Saliva Test for Nitric Oxide Levels | Results in 15 Seconds | Track the Effects of NO Supplements | Support Energy Circulation & Natural Wellness
- Price
- $12.03
- Rating
- 5.0/5
- Reviews
- 3
- Age
- 1y ago

Berkeley Life Nitric Oxide Test Strips - at-Home Non-Invasive Saliva Testing Kit to Assess Nitric Oxide Levels for Men & Women - 10 Individually Sealed Indicator Strips
- Price
- $9.97
- Rating
- 3.7/5
- Reviews
- 254
- Age
- 1y ago

Designs for Health Nitric Oxide Test Strips Saliva Test - Results in Just 10 Seconds - Support Athletes Healthy Aging Cardiovascular Health (50 Saliva Test Strips)
- Price
- $34.81
- Rating
- 4.6/5
- Reviews
- 31
- Age
- 2y ago

Humann - Nitric Oxide I Indicator Strips - Test salivary Nitrite Levels - 1 Tube of 25 Strips
- Price
- $13.95
- Rating
- 4.4/5
- Reviews
- 2,420
- Age
- 9y ago

Berkeley Life Nitric Oxide Test Strips - at-Home Non-Invasive Saliva Testing Kit to Assess Nitric Oxide Levels for Men & Women - 50 Individually Sealed Indicator Strips
- Price
- $39.69
- Rating
- 3.7/5
- Reviews
- 254
- Age
- 13y ago
Newest
by launch date
Diagnox Nitric Oxide Test Strips Individually Packed Saliva Test - Nitric Oxide Indicator Strips for Wellness Cardiovascular Health Vitality Performance & Mens Health 30 Tests
- Price
- $14.57
- Rating
- 4.1/5
- Reviews
- 40
- Age
- 1y ago

Sooenben Nitric Oxide Test Strips Test Salivary Nitrite Levels Monitoring the Effect of Nitric Oxide Supplements Nitric Oxide Indicator Strips Easy to Use and Fast Result
- Price
- $10.02
- Rating
- 4.5/5
- Reviews
- 50
- Age
- 1y ago

Nitric Oxide Test Strips (25 Pack) Easy-to-Use Saliva Test for Nitric Oxide Levels | Results in 15 Seconds | Track the Effects of NO Supplements | Support Energy Circulation & Natural Wellness
- Price
- $12.03
- Rating
- 5.0/5
- Reviews
- 3
- Age
- 1y ago

HealCare - 25 Strips Rapid Results Saliva Nitric Oxide Test Strips Cardiovascular Health Support Healthy Monitoring for Athletes Overall Health and Circulation Track NO Levels
- Price
- $8.73
- Rating
- 4.2/5
- Reviews
- 34
- Age
- 1y ago

Berkeley Life Nitric Oxide Test Strips - at-Home Non-Invasive Saliva Testing Kit to Assess Nitric Oxide Levels for Men & Women - 10 Individually Sealed Indicator Strips
- Price
- $9.97
- Rating
- 3.7/5
- Reviews
- 254
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 83% of clicks. A locked shelf that new listings rarely crack.
Brands
7 rising
Sellers
8
Est. top-5 brand share
90%
Top 20: 100%
Est. top-5 click share
83%
Top 20: 100%
Open market
4%
- Berkeley Life33%
- HumanN26%
- Sooenben17%
- PUREFIZ7%
- HealCare7%
- Designs for Health6%
- Open — no brand owns it (1 brand, 4%)
Demand
Nitric Oxide Test Strips search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.4×
Search terms
Top Nitric Oxide Test Strips search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- nitric oxide test strips19K/yr
- nitric oxide test strips saliva4K/yr
- nitric oxide strips2K/yr
- nitric oxide test2K/yr
Reviews and returns
What reviews say buyers love and hate about Nitric Oxide Test Strips
We read the reviews and the return reasons for every product selling here.
“Barely the lightest pink which I find odd that both of us got that”
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.
13 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 Nitric Oxide Test Strips 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









