Is no2 profitable to sell on Amazon United States?

The niche generates $187K/yr across 17 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -7.2%. Flapen's verdict: Worth a look (51/100).

How competitive is the no2 niche?

13 brands and 44 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 80% of demand.

What do buyers complain about in no2?

Top complaints mined from reviews: Functionality-Overall, Dosage, Side Effects. The return rate is 0.0%.

When does demand for no2 peak?

Demand peaks in Aug–Sep; the busiest month runs 19.2× the quietest.

What does it cost to enter the no2 niche?

Listings span $9.65–$76.27; the average listing price is $30.01 (sweet spot $15–$100). The average incumbent carries 6,534 reviews — the moat a new listing must climb.

no2

Worth a look

Shows low returns (0.0%), but soft demand (-7.2% this quarter) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$30.01

avg listing price — sweet spot $15–$100

Price range

Great$9.65–$76.27

cheapest to priciest tracked listing — scored on the share inside $15–$100

Conversion

Good6.9%

search→purchase rate — share of searches ending in a sale

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Brand share

Okay80%

top-5 brand share — brands hold most of the demand

Market size

Okay$187K

$187K/yr · 90K searches

Competition

Okay69%

top-5 click share — leaders hold, buyers still browse

Review moat

Bad6,533.59

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-7.2%

90-day search growth — must beat 0% to launch

According to Flapen's Amazon United States niche tracking, no2 is a $187K/yr Amazon United States market (90K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Aug–Sep. Verdict: Worth a look — 51/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

no2 market data

Units sold / yr: 6K–8K; avg 250–500/product
Revenue / yr: $180K–$240K; units × avg price
Conversion rate: 6.9%
Avg BSR: #157
Page quality: 0%
Prime: 100%
Sponsored: 88%
Out of stock: 0.4%
Avg brand age: 66 months
Avg seller age: 139 days

Competition & brand share

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 falling

Sellers

Top-5 brand share

80%

Top 20: 100%

Top-5 click share

69%

Top 20: 100%

Open market

16%

Nutricost34%
MRI20%
Jacked Factory15%
Snap Supplements6%
Carlyle5%
Force Factor4%
Open — no brand owns it (7 brands, 16%)

Demand & seasonality

Weekly Amazon search volume, last 103 weeks — -7.2% search growth over the last 90 days.

Peak months: Aug, Sep · busiest ÷ quietest = 19.2×

Open Trend

Top no2 search terms

no230K/yr -5.0%5.1% conv.
no2 nitric oxide booster17K/yr +1.7%8.0% conv.
no2 supplements for men5K/yr +31.1%9.0% conv.
no booster7K/yr -13.7%6.9% conv.
vascularity supplements men4K/yr +34.9%3.6% conv.
no3 nitric oxide8K/yr -32.3%3.6% conv.
vascularity4K/yr +24.2%1.3% conv.
no booster supplement for men3K/yr +2.1%6.0% conv.
no2 nitric oxide5K/yr -57.0%8.3% conv.
no supplements for men4K/yr -41.1%6.6% conv.

All search terms

Top no2 products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 17 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Nutricost Nitric Oxide Booster 2250mg 180 Capsules - 750mg Per Casule 60 Servings - Gluten Free and Non-GMO

Nutricost$14.774.5★13,609 rev

Jacked Factory N.O. XT Nitric Oxide Supplements for Men w/Nitrosigine L Arginine L Citrulline Supplement for Muscle Pumps & Vascularity - Pre Workout Nitric Oxide Booster & Muscle Builder - 90 Caps

Jacked Factory$23.624.3★15,564 rev

MRI NO2 Nitric Oxide Booster 3000mg L-Arginine & AAKG (90 Caplets)

MRI$25.784.2★254 rev

MRI NO2 Nitric Oxide Booster 3000mg L-Arginine & AAKG (180 Caplets)

MRI$45.144.2★254 rev

Snap Supplements Nitric Oxide Booster for Men & Women L-Citrulline + 3 Forms of L-Arginine for Stamina Endurance Circulation & Energy Support * Caffeine-Free Pre-Workout Alternative 60 Capsules

Snap Supplements$24.824.3★18,943 rev

Newest

by launch date

Jacked Factory N.O. XT Nitric Oxide Supplements for Men w/Nitrosigine L Arginine L Citrulline Supplement for Muscle Pumps & Vascularity - Pre Workout Nitric Oxide Booster & Muscle Builder - 30 Caps

Jacked Factory$9.6515,564 rev

4mo ago

Force Factor Nitric Oxide Booster Fast-Acting Formula with L-Arginine Boosts Nitric Oxide Levels Maximize Muscle Pumps Enhance Endurance Improve Circulation 120 Capsules

Force Factor$26.091,374 rev

1y ago

Micro Ingredients Nitric Oxide Supplement for Men & Women 3 600mg Per Serving 240 Bisected Tablets | L-Arginine + L-Citrulline Amino Acid Complex | Pre-Workout Caffeine-Free | Non-GMO Gluten Free

Micro Ingredients$21.47809 rev

1y ago

NO2U Bryan Nitriceuticals Nitric Oxide Supplement 60 Count 30 Day Supply

NO2U$56.02337 rev

2y ago

Nitric Oxide Supplement 3 000mg 300 Capsules | 12-in-1 Complex for Men & Women Arginine Citrulline Korean Red Ginseng Tongkat Ali Maca Root & Marshmallow Blend*

DEAL SUPPLEMENT$18.682,070 rev

2y ago

What buyers say about no2

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall21%

“Excellent product”

Energy Level10%

“helps with energy”

Blood Pressure9%

“Helps with blood pressure”

Efficiency9%

“found them to be highly effective”

Advertised Vs Actual Product8%

“True to picture”

Value For Money7%

“Good deal”

Vitamin3%

“Love this vitamin”

Heart Health2%

“Great for heart & artery health”

Side Effects2%

“No side effects”

Muscle Pain Relief2%

“I recommend it for those that get muscle stiffness”

What buyers complain about

Functionality-Overall17%

“Not effective”

Dosage7%

“There isnt enough actual product in the serving dose to be effective”

Side Effects6%

“the side effects have been too harsh for me”

Value For Money6%

“to expensive”

Size-Overall6%

“the capsules are small”

Blood Pressure5%

“I cant say that it has done anything for my blood pressure”

Advertised Vs Actual Product4%

“This doesn't work as advertised”

Ease Of Chewing/Swallowing3%

“Trouble swallowing it”

Ingredients-Overall3%

“Snap supplements overall are not good for u”

Energy Level3%

“nor energy level”

Top return reasons

Heart Health33%

Value For Money33%

Magnesium33%

Common questions

Is no2 profitable to sell on Amazon United States?: The niche generates $187K/yr across 17 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -7.2%. Flapen's verdict: Worth a look (51/100).
How competitive is the no2 niche?: 13 brands and 44 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 80% of demand.
What do buyers complain about in no2?: Top complaints mined from reviews: Functionality-Overall, Dosage, Side Effects. The return rate is 0.0%.
When does demand for no2 peak?: Demand peaks in Aug–Sep; the busiest month runs 19.2× the quietest.
What does it cost to enter the no2 niche?: Listings span $9.65–$76.27; the average listing price is $30.01 (sweet spot $15–$100). The average incumbent carries 6,534 reviews — the moat a new listing must climb.

no2