citranox
Skip itA small market ($15K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 6% kills the launch gate
Avg price
Great$62.27avg listing price — sweet spot $15–$100
Growth
Okay+17.7%90-day search growth — must beat 0% to launch
Price range
Okay$10.83–$249.61cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay2.6%search→purchase rate — share of searches ending in a sale
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad7,124.89avg incumbent reviews — the moat a new listing must climb
Brand share
Bad93%top-5 brand share — brand-locked demand
Competition
Bad87%top-5 click share — a locked-up shelf
Market size
Bad$15K$15K/yr · 9K searches
Competition
The top 5 products capture 87% of clicks — a locked-up shelf that new listings rarely crack.Brands
8 falling
Sellers
25
Top-5 brand share
93%
Open market
4%
- Alconox43%
- THE SOURCE MATTERS20%
- DEAL SUPPLEMENT14%
- Pure Encapsulations10%
- Nutricost7%
- Horbäach2%
- Open — no brand owns it (2 brands, 4%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 9 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Alconox 1801 Citranox Phosphate-Free Concentrated Cleaner and Metal Brightener 1 gallon Plastic Bottle
Alconox$72.574.8★38 rev

THE SOURCE MATTERS Super NOX (120 Capsules) - Nitric Oxide Supplement with L Citrulline - Nitric Oxide Booster for Circulatory & Vascular Support | Quercetin & Grape Seed Extract
THE SOURCE MATTERS$54.365.0★3 rev

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$18.684.5★2,070 rev

Pure Encapsulations Nitric Oxide Ultra (Capsules) - Supplement Supports Nitric Oxide Production Healthy Blood Flow & Vascular Health* - with L-Citrulline & CranLoad Cranberry Extract - 120 Capsules
Pure Encapsulations$76.274.6★778 rev

Nutricost L-Citrulline 2500mg Per Serving 60 Servings 1250mg Per Tablet 120 Tabs - Non-GMO and Gluten Free Supplement
Nutricost$19.624.6★1,055 rev
Newest
by launch date
THE SOURCE MATTERS Super NOX (120 Capsules) - Nitric Oxide Supplement with L Citrulline - Nitric Oxide Booster for Circulatory & Vascular Support | Quercetin & Grape Seed Extract
THE SOURCE MATTERS$54.363 rev

Horbach Nitric Oxide Supplement | 3000mg | 120 Capsules | Pre Workout with L Arginine and L Citrulline for Men and Women | Non-GMO Gluten Free Formula
Horbäach$20.05162 rev

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

Nutricost L-Citrulline 2500mg Per Serving 60 Servings 1250mg Per Tablet 120 Tabs - Non-GMO and Gluten Free Supplement
Nutricost$19.621,055 rev

L-Arginine Capsules with L-Citrulline - Nitric Oxide Supplement - L Arginine and L Citrulline Blend - 120 Count - Vegan Non-GMO Capsules for Performance Endurance and Muscle Support - 2 Month Supply
HAVASU NUTRITION$38.4154,953 rev
Trending
90-day click momentum
Horbach Nitric Oxide Supplement | 3000mg | 120 Capsules | Pre Workout with L Arginine and L Citrulline for Men and Women | Non-GMO Gluten Free Formula
Horbäach$20.054.5★

L-Arginine Capsules with L-Citrulline - Nitric Oxide Supplement - L Arginine and L Citrulline Blend - 120 Count - Vegan Non-GMO Capsules for Performance Endurance and Muscle Support - 2 Month Supply
HAVASU NUTRITION$38.414.2★

THE SOURCE MATTERS Super NOX (120 Capsules) - Nitric Oxide Supplement with L Citrulline - Nitric Oxide Booster for Circulatory & Vascular Support | Quercetin & Grape Seed Extract
THE SOURCE MATTERS$54.365.0★

Nutricost L-Citrulline 2500mg Per Serving 60 Servings 1250mg Per Tablet 120 Tabs - Non-GMO and Gluten Free Supplement
Nutricost$19.624.6★

Best Naturals Arginine Citruline Complex 1000 Mg 120 Tablets
Best Naturals$10.834.5★
Demand & seasonality
Weekly Amazon search volume, last 100 weeks — +17.7% search growth over the last 90 days.Peak months: Oct · busiest ÷ quietest = 1.8×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Absolute quality”
“helps boost my energy for the day”
“As advertised”
“Good supplements”
“Improves peripheral blood flow”
“Great value”
“Works great”
“Big pills”
“seems to help get me thru my day without muscle pains”
“Great price per pill tastes like pineapple”
What buyers complain about
“Doesnt work”
“The pills are large”
“This Deal Supplement is a bad deal”
“Not as good as the brand I was using”
“All vitamin supplements are a bit over priced”
“I'll find another product with better ingredients”
“Misleading description”
“Yes, L-Arginine and L-Citrulline supplements can potentially cause numbness or tingling in the fingers happened to me”
“hard to swallow”
“He no longer has that dry cough either”