Is nitric oxide profitable to sell on Amazon United Kingdom?

The niche generates £686K/yr across 24 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is -11.6%. Flapen's verdict: Worth a look (62/100).

How competitive is the nitric oxide niche?

18 brands and 23 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 74% of demand.

What do buyers complain about in nitric oxide?

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

When does demand for nitric oxide peak?

Demand peaks in Mar–Apr–May; the busiest month runs 3.2× the quietest.

What does it cost to enter the nitric oxide niche?

Listings span £6.45–£41.06; the average listing price is £19.05 (sweet spot $15–$100). The average incumbent carries 1,097 reviews — the moat a new listing must climb.

nitric oxide

Worth a look

Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Avg price

Great£19.05

avg listing price — sweet spot $15–$100

Conversion

Great8.0%

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

Price range

Great£6.45–£41.06

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

Market size

Good£686K

£686K/yr · 449K searches

Review moat

Good1,096.71

avg incumbent reviews — the moat a new listing must climb

Brand share

Good74%

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

Competition

Okay59%

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

Growth

Bad-11.6%

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

According to Flapen's Amazon United Kingdom niche tracking, nitric oxide is a £686K/yr Amazon United Kingdom market (449K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Mar–Apr–May. Verdict: Worth a look — 62/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

nitric oxide market data

Units sold / yr: 30K–40K; avg 1,250–1,500/product
Revenue / yr: £572K–£762K; units × avg price
Conversion rate: 8.0%
Avg BSR: #596
Page quality: 0%
Prime: 96%
Sponsored: 92%
Out of stock: 1.4%
Avg brand age: 37 months
Avg seller age: 174 days

Competition & brand share

The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.

Brands

18 rising

Sellers

Top-5 brand share

74%

Top 20: 100%

Top-5 click share

59%

Top 20: 97%

Open market

20%

mars by GHC27%
Nutricost14%
ATMOS Nutrition12%
Toniiq11%
EVO NUTRITION10%
Nutrivo7%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -11.6% search growth over the last 90 days.

Peak months: Mar, Apr, May · busiest ÷ quietest = 3.2×

Open Trend

Top nitric oxide search terms

nitric oxide supplements for men123K/yr -13.8%8.0% conv.
nitric oxide106K/yr -7.2%6.6% conv.
mars nitric oxide capsules98K/yr -30.3%7.2% conv.
nitric oxide supplements28K/yr -24.9%5.9% conv.
nitric oxide booster12K/yr +103.2%6.3% conv.
mars nitric oxide capsules for men5K/yr +103.5%7.0% conv.
arctic nitric oxide3K/yr +0.0%4.0% conv.
nitrous oxide9K/yr -4.9%1.8% conv.
nitric oxide gummies5K/yr +36.7%3.3% conv.
nitric oxide capsules10K/yr -35.2%7.3% conv.

All search terms

Top nitric oxide 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 24 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£15.874.4★13,571 rev

Mars Nitric Oxide Capsules with L-Arginine L-Citrulline & Adaptogenic Blend | 60 Capsules | Pack of 1

mars by GHC£21.013.9★201 rev

6 150mg Nitric Oxide Booster - 180 High Strength Tablets with L-Arginine L-Citrulline Beetroot and Vitamin C - Blood Flow Energy Performance Supplement for Gym Powerlifting and Bodybuilding

ATMOS Nutrition£19.214.2★294 rev

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

Toniiq£18.794.1★954 rev

EVO NUTRITION£8.114.4★1,301 rev

Newest

by launch date

NEUROHACK Nitric Oxide Capsules Beetroot Extract 50:1 (10 000mg Equivalent) L-Citrulline 1000mg & L-Arginine 1000mg Blood Flow Circulation Pump Endurance Libido & Vitality Support

NEUROHACK£18.4327 rev

6mo ago

Mars by GHC NitroFlux Nitric Oxide Capsules with L-Arginine Pre Workout Circulation Booster Ashwagandha & Moringa Performance & Endurance Support Pack of 1

mars by GHC£21.1638 rev

6mo ago

TrofiLab 5 900mg Nitric Oxide Plus Energy Pump & Endurance - Performance Formula with L-Arginine L-Citrulline & Beetroot Extract 90 Capsules(1 Month) - UK Brand

TROFILAB£20.8420 rev

7mo ago

EVO NUTRITION£8.111,301 rev

11mo ago

Mars by GHC Growth Max Combo | Nitric Oxide Capsules + SurgeMax Capsules | 120 Capsules | Pack of 1

mars by GHC£32.7074 rev

1y ago

What buyers say about nitric oxide

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

What buyers love

Quality-Overall20%

“Premium quality”

Value For Money11%

“Good price”

Advertised Vs Actual Product9%

“As advertised well pleased”

Ease Of Chewing/Swallowing7%

“not unpleasant to swallow”

Blood Pressure6%

“helping with blood pressure”

Energy Level6%

“Improved energy levels”

Ease Of Use5%

“The bottle is straightforward to open”

Vitamin4%

“Great Natural Supplement”

Side Effects3%

“it hasn't caused me any trouble”

Efficiency3%

“Good been using for a while seems to help”

What buyers complain about

Functionality-Overall11%

“Does not as far as I know do anything”

Dosage9%

“I'm not one for following tablet regimes accurately”

Taste-Overall9%

“this has not translated into taste so far as I have taken the capsules”

Advertised Vs Actual Product8%

“Not working like advertised”

Quality-Overall7%

“Feedback not great”

Value For Money7%

“Quite expensive”

Ingredients-Overall4%

“Beware of the Piperine content”

Blood Pressure4%

“it made my blood pressure drop”

Pain Relief-Overall2%

“It's easy, The pain does not resolve”

Side Effects2%

“It was ok But I have only just started taking it so not feeling any benefit just yet”

Common questions

Is nitric oxide profitable to sell on Amazon United Kingdom?: The niche generates £686K/yr across 24 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is -11.6%. Flapen's verdict: Worth a look (62/100).
How competitive is the nitric oxide niche?: 18 brands and 23 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 74% of demand.
What do buyers complain about in nitric oxide?: Top complaints mined from reviews: Functionality-Overall, Dosage, Taste-Overall. The return rate is 0.0%.
When does demand for nitric oxide peak?: Demand peaks in Mar–Apr–May; the busiest month runs 3.2× the quietest.
What does it cost to enter the nitric oxide niche?: Listings span £6.45–£41.06; the average listing price is £19.05 (sweet spot $15–$100). The average incumbent carries 1,097 reviews — the moat a new listing must climb.