---
title: "Nitric Oxide — £686K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/nitric-oxide"
last_updated: "2026-07-31T20:45:53.693Z"
locale: en
meta:
description: "Niche score 62/100 · £686K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 62/100 · £686K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Nitric Oxide — £686K/yr Amazon UK Niche (2026) - Flapen"
---
# **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.
Market size 68Growth 19Conversion 79Competition 43Returns 100Price range 75Avg price 85Brand share 52Review moat 60Quality gap 86
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Great****£19.05**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****8.0%**
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**
**Good****1,096.71**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Good****74%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****59%**
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 ~~](https://flapen.com/research/methodology)
## **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**
**23**
**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.
35K25KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Mar, Apr, May · busiest ÷ quietest = 3.2×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/nitric-oxide/trend)
## **Top nitric oxide search terms**
- **nitric oxide supplements for men**123K/yr-13.8%8.0% conv. - **nitric oxide**106K/yr-7.2%6.6% conv. - **mars nitric oxide capsules**98K/yr-30.3%7.2% conv. - **nitric oxide supplements**28K/yr-24.9%5.9% conv. - **nitric oxide booster**12K/yr+103.2%6.3% conv. - **mars nitric oxide capsules for men**5K/yr+103.5%7.0% conv. - **arctic nitric oxide**3K/yr+0.0%4.0% conv. - **nitrous oxide**9K/yr-4.9%1.8% conv. - **nitric oxide gummies**5K/yr+36.7%3.3% conv. - **nitric oxide capsules**10K/yr-35.2%7.3% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/nitric-oxide/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.
0%4%£27K8%£55K12%£82K16%£110K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**Nutricost Nitric Oxide Booster 2250mg 180 Capsules - 750mg Per Casule 60 Servings - Gluten Free and Non-GMO**Nutricost**£15.87**4.4★13,571 rev](https://www.amazon.co.uk/dp/B09B4DWNYQ) [2**Mars Nitric Oxide Capsules with L-Arginine L-Citrulline & Adaptogenic Blend | 60 Capsules | Pack of 1**mars by GHC**£21.01**3.9★201 rev](https://www.amazon.co.uk/dp/B0F99PQ4VF) [3**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**£19.21**4.2★294 rev](https://www.amazon.co.uk/dp/B0CRBHWJ2P) [4**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**£18.79**4.1★954 rev](https://www.amazon.co.uk/dp/B0D4QB6MKN) [5**Beetroot Complex & L-Citrulline 10 000mg | 180 Capsules | High Strength | Nitric Oxide Booster to Support Circulation for Energy & Daily Wellness | Vegan Non-GMO UK Made 3 Months | EVO NUTRITION**EVO NUTRITION**£8.11**4.4★1,301 rev](https://www.amazon.co.uk/dp/B0FLQBKC2F)
**~~View all top sellers →~~**
### **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**£18.43**27 rev6mo ago](https://www.amazon.co.uk/dp/B0GGC3H8C7) [**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**£21.16**38 rev6mo ago](https://www.amazon.co.uk/dp/B0GDTMM18R) [**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**£20.84**20 rev7mo ago](https://www.amazon.co.uk/dp/B0G4XLCJSV) [**Beetroot Complex & L-Citrulline 10 000mg | 180 Capsules | High Strength | Nitric Oxide Booster to Support Circulation for Energy & Daily Wellness | Vegan Non-GMO UK Made 3 Months | EVO NUTRITION**EVO NUTRITION**£8.11**1,301 rev11mo ago](https://www.amazon.co.uk/dp/B0FLQBKC2F) [**Mars by GHC Growth Max Combo | Nitric Oxide Capsules + SurgeMax Capsules | 120 Capsules | Pack of 1**mars by GHC**£32.70**74 rev1y ago](https://www.amazon.co.uk/dp/B0FHQK4CTF)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Nitric Oxide Supplements 6500mg | Nitric Oxide Supplements for Men | L Arginine and L Citrulline with Beetroot Nitric Oxide Booster | Supports Blood Flow & Blood Pressure | 120 Capsules**Nutrivo**£12.30**4.5★**▲ 273%**](https://www.amazon.co.uk/dp/B0GHT8M5V8) [**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**£20.84**4.9★**▲ 270%**](https://www.amazon.co.uk/dp/B0G4XLCJSV) [**Mars Nitric Oxide Capsules with L-Arginine L-Citrulline & Adaptogenic Blend | 60 Capsules | Pack of 1**mars by GHC**£21.01**3.9★**▲ 215%**](https://www.amazon.co.uk/dp/B0F99PQ4VF) [**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**£18.43**4.2★**▲ 122%**](https://www.amazon.co.uk/dp/B0GGC3H8C7) [**Mars by GHC Growth Max Combo | Nitric Oxide Capsules + SurgeMax Capsules | 120 Capsules | Pack of 1**mars by GHC**£32.70**3.8★**▲ 103%**](https://www.amazon.co.uk/dp/B0FHQK4CTF)
**~~View all trending →~~**
## **What buyers say about nitric oxide**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**20%
*“Premium quality”*
**Value For Money**11%
*“Good price”*
**Advertised Vs Actual Product**9%
*“As advertised well pleased”*
**Ease Of Chewing/Swallowing**7%
*“not unpleasant to swallow”*
**Blood Pressure**6%
*“helping with blood pressure”*
**Energy Level**6%
*“Improved energy levels”*
**Ease Of Use**5%
*“The bottle is straightforward to open”*
**Vitamin**4%
*“Great Natural Supplement”*
**Side Effects**3%
*“it hasn't caused me any trouble”*
**Efficiency**3%
*“Good been using for a while seems to help”*
### **What buyers complain about **
**Functionality-Overall**11%
*“Does not as far as I know do anything”*
**Dosage**9%
*“I'm not one for following tablet regimes accurately”*
**Taste-Overall**9%
*“this has not translated into taste so far as I have taken the capsules”*
**Advertised Vs Actual Product**8%
*“Not working like advertised”*
**Quality-Overall**7%
*“Feedback not great”*
**Value For Money**7%
*“Quite expensive”*
**Ingredients-Overall**4%
*“Beware of the Piperine content”*
**Blood Pressure**4%
*“it made my blood pressure drop”*
**Pain Relief-Overall**2%
*“It's easy, The pain does not resolve”*
**Side Effects**2%
*“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.
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