---
title: "no2 — Niche Verdict: Worth a look (51/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/health-household/no2"
last_updated: "2026-07-13T20:34:17.871Z"
locale: en
meta:
  description: "no2 shows low returns (0.0%), but soft demand (-7.2% this quarter) keeps it on the watch list."
  "og:description": "no2 shows low returns (0.0%), but soft demand (-7.2% this quarter) keeps it on the watch list."
  "og:title": "no2 — Niche Verdict: Worth a look (51/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **no2**

**Worth a look**

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

Market size 37Growth 21Conversion 74Competition 26Returns 100Price range 89Avg price 95Brand share 42Review moat 24Quality gap 63

**Returns**

**Incredible****0.0%**

return rate — above 6% 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**

**Good****6.9%**

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

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Okay****80%**

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

**Market size**

**Okay****$187K**

$187K/yr · 90K searches

**Competition**

**Okay****69%**

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

**Review moat**

**Bad****6,533.59**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-7.2%**

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

## **Competition**

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

**Brands**

**13 **▼falling

**Sellers**

**44**

**Top-5 brand share**

**80%**

**Open market**

**16%**

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

## **Product shelf**

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

0%10%$19K20%$37K30%$56K40%$75K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

[1![Nutricost Nitric Oxide Booster 2250mg 180 Capsules - 750mg Per Casule 60 Servings - Gluten Free and Non-GMO](https://m.media-amazon.com/images/I/41GcQHM-hbL.jpg)**Nutricost Nitric Oxide Booster 2250mg 180 Capsules - 750mg Per Casule 60 Servings - Gluten Free and Non-GMO**Nutricost**$14.77**4.5★13,609 rev](https://www.amazon.com/dp/B09B4DWNYQ) [2![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](https://m.media-amazon.com/images/I/411waU8Q2qL.jpg)**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**$23.62**4.3★15,564 rev](https://www.amazon.com/dp/B076CRGF8H) [3![MRI NO2 Nitric Oxide Booster 3000mg L-Arginine & AAKG (90 Caplets)](https://m.media-amazon.com/images/I/41gBj9ZVomL.jpg)**MRI NO2 Nitric Oxide Booster 3000mg L-Arginine & AAKG (90 Caplets)**MRI**$25.78**4.2★254 rev](https://www.amazon.com/dp/B0BTPYPG44) [4![MRI NO2 Nitric Oxide Booster 3000mg L-Arginine & AAKG (180 Caplets)](https://m.media-amazon.com/images/I/31klPNn-viL.jpg)**MRI NO2 Nitric Oxide Booster 3000mg L-Arginine & AAKG (180 Caplets)**MRI**$45.14**4.2★254 rev](https://www.amazon.com/dp/B0BM2K9689) [5![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](https://m.media-amazon.com/images/I/41JMf2VXSDL.jpg)**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**$24.82**4.3★18,943 rev](https://www.amazon.com/dp/B07GQ4Z1L8)

**~~View all top sellers →~~**

### **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](https://m.media-amazon.com/images/I/41Z+zkZ-KTL.jpg)**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**$9.65**15,564 rev4mo ago](https://www.amazon.com/dp/B0GMXKPNBX) [![Force Factor Nitric Oxide Booster Fast-Acting Formula with L-Arginine Boosts Nitric Oxide Levels Maximize Muscle Pumps Enhance Endurance Improve Circulation 120 Capsules](https://m.media-amazon.com/images/I/41sKmgO++3L.jpg)**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**$26.09**1,374 rev1y ago](https://www.amazon.com/dp/B0F228WV7G) [![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](https://m.media-amazon.com/images/I/41hcDpcp2SL.jpg)**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**$21.47**809 rev1y ago](https://www.amazon.com/dp/B0DK6684NK) [![NO2U Bryan Nitriceuticals Nitric Oxide Supplement 60 Count 30 Day Supply](https://m.media-amazon.com/images/I/41y5qWoe-DL.jpg)**NO2U Bryan Nitriceuticals Nitric Oxide Supplement 60 Count 30 Day Supply**NO2U**$56.02**337 rev2y ago](https://www.amazon.com/dp/B0D3SMDLRG) [![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*](https://m.media-amazon.com/images/I/41Q1o9avnbL.jpg)**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**$18.68**2,070 rev2y ago](https://www.amazon.com/dp/B0CZGHL1TW)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![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](https://m.media-amazon.com/images/I/41Z+zkZ-KTL.jpg)**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**$9.65**4.3★**▲ 278%**](https://www.amazon.com/dp/B0GMXKPNBX) [![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](https://m.media-amazon.com/images/I/41hcDpcp2SL.jpg)**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**$21.47**4.4★**▲ 54%**](https://www.amazon.com/dp/B0DK6684NK) [![Carlyle Nitric Oxide Supplement 3000mg | 120 Capsules | with L-Arginine & L-Citrulline | for Men & Women | Pre & Post Workout | Non-GMO Gluten Free](https://m.media-amazon.com/images/I/41Shg1U0eTL.jpg)**Carlyle Nitric Oxide Supplement 3000mg | 120 Capsules | with L-Arginine & L-Citrulline | for Men & Women | Pre & Post Workout | Non-GMO Gluten Free**Carlyle**$10.10**4.4★**▲ 54%**](https://www.amazon.com/dp/B0CYRP3HV4) [![MRI NO2 Nitric Oxide Booster 3000mg L-Arginine & AAKG (180 Caplets)](https://m.media-amazon.com/images/I/31klPNn-viL.jpg)**MRI NO2 Nitric Oxide Booster 3000mg L-Arginine & AAKG (180 Caplets)**MRI**$45.14**4.2★**▲ 35%**](https://www.amazon.com/dp/B0BM2K9689) [![Juvenon BloodFlow-7 Nitric Oxide Supplements for Men & Women - Natural Nitric Oxide Booster with Nitrosigine + S7 - Blood Flow & Circulation Support (1-Pack)](https://m.media-amazon.com/images/I/41+skzBt42L.jpg)**Juvenon BloodFlow-7 Nitric Oxide Supplements for Men & Women - Natural Nitric Oxide Booster with Nitrosigine + S7 - Blood Flow & Circulation Support (1-Pack)**Juvenon**$42.01**4.4★**▲ 26%**](https://www.amazon.com/dp/B0CLHHYNFN)

**~~View all trending →~~**

## **Demand & seasonality**

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

60K40KSpike '24Holiday '24Spike '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay

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

## **Reviews**

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

### **What buyers love **

**Quality-Overall**21%

*“Excellent product”*

**Energy Level**10%

*“helps with energy”*

**Blood Pressure**9%

*“Helps with blood pressure”*

**Efficiency**9%

*“found them to be highly effective”*

**Advertised Vs Actual Product**8%

*“True to picture”*

**Value For Money**7%

*“Good deal”*

**Vitamin**3%

*“Love this vitamin”*

**Heart Health**2%

*“Great for heart & artery health”*

**Side Effects**2%

*“No side effects”*

**Muscle Pain Relief**2%

*“I recommend it for those that get muscle stiffness”*

### **What buyers complain about **

**Functionality-Overall**17%

*“Not effective”*

**Dosage**7%

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

**Side Effects**6%

*“the side effects have been too harsh for me”*

**Value For Money**6%

*“to expensive”*

**Size-Overall**6%

*“the capsules are small”*

**Blood Pressure**5%

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

**Advertised Vs Actual Product**4%

*“This doesn't work as advertised”*

**Ease Of Chewing/Swallowing**3%

*“Trouble swallowing it”*

**Ingredients-Overall**3%

*“Snap supplements overall are not good for u”*

**Energy Level**3%

*“nor energy level”*

### **Top return reasons **

**Heart Health**33%

**Value For Money**33%

**Magnesium**33%