Is citranox profitable to sell on Amazon United States?

The niche generates $15K/yr across 9 tracked products. 90-day search growth is +17.7%. Flapen's verdict: Skip it (34/100).

How competitive is the citranox niche?

8 brands and 25 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 93% of demand.

What do buyers complain about in citranox?

Top complaints mined from reviews: Functionality-Overall, Size-Overall, Value For Money. The return rate is 0.0%.

When does demand for citranox peak?

Demand peaks in Oct; the busiest month runs 1.8× the quietest.

What does it cost to enter the citranox niche?

Listings span $10.83–$249.61; the average listing price is $62.27 (sweet spot $15–$100). The average incumbent carries 7,125 reviews — the moat a new listing must climb.

citranox

Skip it

A small market ($15K/yr) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$62.27

avg listing price — sweet spot $15–$100

Growth

Okay+17.7%

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

Price range

Okay$10.83–$249.61

cheapest 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

Bad7,124.89

avg 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

Signals Low Review Barrier High Price

According to Flapen's Amazon United States niche tracking, citranox is a $15K/yr Amazon United States market (9K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Oct. Verdict: Skip it — 34/100.

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

citranox market data

Units sold / yr: 250–500; avg 0–100/product
Revenue / yr: $16K–$31K; units × avg price
Conversion rate: 2.6%
Avg BSR: #1,134
Page quality: 0%
Prime: 78%
Sponsored: 89%
Out of stock: 1.7%
Avg brand age: 63 months
Avg seller age: 154 days

Competition & brand share

The top 5 products capture 87% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 falling

Sellers

Top-5 brand share

93%

Top 20: 100%

Top-5 click share

87%

Top 20: 100%

Open market

Alconox43%
THE SOURCE MATTERS20%
DEAL SUPPLEMENT14%
Pure Encapsulations10%
Nutricost7%
Horbäach2%
Open — no brand owns it (2 brands, 4%)

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×

Open Trend

Top citranox search terms

citranox7K/yr +3.8%3.6% conv.
citranox 120 capsules1K/yr +133.1%3.3% conv.
citra nox851/yr -14.3%1.3% conv.

All search terms

Top citranox 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 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

1y ago

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

1y 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

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

Nutricost$19.621,055 rev

4y ago

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

8y ago

What buyers say about citranox

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

What buyers love

Quality-Overall27%

“Absolute quality”

Energy Level8%

“helps boost my energy for the day”

Advertised Vs Actual Product7%

“As advertised”

Vitamin7%

“Good supplements”

Blood Pressure6%

“Improves peripheral blood flow”

Value For Money6%

“Great value”

Efficiency6%

“Works great”

Dosage5%

“Big pills”

Muscle Pain Relief4%

“seems to help get me thru my day without muscle pains”

Taste-Overall3%

“Great price per pill tastes like pineapple”

What buyers complain about

Functionality-Overall32%

“Doesnt work”

Size-Overall8%

“The pills are large”

Value For Money7%

“This Deal Supplement is a bad deal”

Quality-Overall7%

“Not as good as the brand I was using”

Vitamin5%

“All vitamin supplements are a bit over priced”

Ingredients-Overall5%

“I'll find another product with better ingredients”

Advertised Vs Actual Product5%

“Misleading description”

Inflammation4%

“Yes, L-Arginine and L-Citrulline supplements can potentially cause numbness or tingling in the fingers happened to me”

Ease Of Chewing/Swallowing4%

“hard to swallow”

Cough Relief4%

“He no longer has that dry cough either”

Top return reasons

Leak-Proof100%

Common questions

Is citranox profitable to sell on Amazon United States?: The niche generates $15K/yr across 9 tracked products. 90-day search growth is +17.7%. Flapen's verdict: Skip it (34/100).
How competitive is the citranox niche?: 8 brands and 25 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 93% of demand.
What do buyers complain about in citranox?: Top complaints mined from reviews: Functionality-Overall, Size-Overall, Value For Money. The return rate is 0.0%.
When does demand for citranox peak?: Demand peaks in Oct; the busiest month runs 1.8× the quietest.
What does it cost to enter the citranox niche?: Listings span $10.83–$249.61; the average listing price is $62.27 (sweet spot $15–$100). The average incumbent carries 7,125 reviews — the moat a new listing must climb.