King Nitric Oxide
Skip itA small market ($9K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$23.37avg listing price — sweet spot $15–$100
Price range
Great$10.05–$42.01cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Conversion
Okay3.0%search→purchase rate — share of searches ending in a sale
Brand share
Okay87%top-5 brand share — brands hold most of the demand
Review moat
Bad18,902avg incumbent reviews — the moat a new listing must climb
Growth
Bad-21.0%90-day search growth — must beat 0% to launch
Competition
Bad87%top-5 click share — a locked-up shelf
Market size
Bad$9K$9K/yr · 13K searches
Is king nitric oxide profitable on Amazon?
According to Flapen's Amazon United States niche tracking, king nitric oxide is a $9K/yr Amazon United States market (13K searches/yr). The top 5 brands hold 87% of demand. Demand peaks in Feb–Mar. Verdict: Skip it — 36/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
king nitric oxide market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 100–250
- avg 0–100/product
- Revenue / yr
- $2K–$6K
- units × avg price
- Conversion rate
- 3.0%
- Avg BSR
- #9
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 86%
- Out of stock
- 9.1%
- Avg brand age
- 48 months
- Avg seller age
- 147 days
Competition: brands, sellers & click share
The top 5 products capture 87% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 falling
Sellers
30
Top-5 brand share
87%
Top 20: 100%
Top-5 click share
87%
Top 20: 100%
Open market
6%
- Nutricost41%
- Juvenon18%
- Carlyle12%
- Snap Supplements10%
- Horbäach7%
- Jacked Factory6%
- Open — no brand owns it (1 brand, 6%)
king nitric oxide demand & seasonality
Weekly Amazon search volume, last 95 weeks — -21.0% search growth over the last 90 days.Peak months: Feb, Mar · busiest ÷ quietest = 21.5×
Top king nitric oxide search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- king nitric oxide5K/yr
- king nitric oxide for men5K/yr
- top shelf king nitric oxide1K/yr
- king nitric755/yr
Top king nitric oxide products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 7 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$14.774.5★13,609 rev

Juvenon BloodFlow-7 Nitric Oxide Supplements for Men & Women - Natural Nitric Oxide Booster with Nitrosigine + S7 - Blood Flow & Circulation Support (1-Pack)
Juvenon$42.014.4★4,974 rev

Carlyle Nitric Oxide Supplement 3000mg | 120 Capsules | with L-Arginine & L-Citrulline | for Men & Women | Pre & Post Workout | Non-GMO Gluten Free
Carlyle$10.104.4★1,380 rev

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$24.824.3★18,943 rev

Horbach Nitric Oxide Beet Root Capsules | 180 Count | with Nitrates and Precursor | for Men and Women | Vegetarian Non-GMO Gluten Free Supplement
Horbäach$10.054.5★2,618 rev
Newest
by launch date
Carlyle Nitric Oxide Supplement 3000mg | 120 Capsules | with L-Arginine & L-Citrulline | for Men & Women | Pre & Post Workout | Non-GMO Gluten Free
Carlyle$10.101,380 rev

Horbach Nitric Oxide Beet Root Capsules | 180 Count | with Nitrates and Precursor | for Men and Women | Vegetarian Non-GMO Gluten Free Supplement
Horbäach$10.052,618 rev

Juvenon BloodFlow-7 Nitric Oxide Supplements for Men & Women - Natural Nitric Oxide Booster with Nitrosigine + S7 - Blood Flow & Circulation Support (1-Pack)
Juvenon$42.014,974 rev

Nutricost Nitric Oxide Booster 2250mg 180 Capsules - 750mg Per Casule 60 Servings - Gluten Free and Non-GMO
Nutricost$14.7713,609 rev

HumanN SuperBeets Heart Chews Beet Root Powder Support Energy Supplement Nitric Oxide and Blood Pressure Support Grape Seed Extract & Non-GMO Heart Health Pomegranate Berry Flavor 60 Count
HumanN$38.2175,226 rev
Trending
90-day click momentum
Juvenon BloodFlow-7 Nitric Oxide Supplements for Men & Women - Natural Nitric Oxide Booster with Nitrosigine + S7 - Blood Flow & Circulation Support (1-Pack)
Juvenon$42.014.4★

HumanN SuperBeets Heart Chews Beet Root Powder Support Energy Supplement Nitric Oxide and Blood Pressure Support Grape Seed Extract & Non-GMO Heart Health Pomegranate Berry Flavor 60 Count
HumanN$38.214.5★

Nutricost Nitric Oxide Booster 2250mg 180 Capsules - 750mg Per Casule 60 Servings - Gluten Free and Non-GMO
Nutricost$14.774.5★

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$23.624.3★

Horbach Nitric Oxide Beet Root Capsules | 180 Count | with Nitrates and Precursor | for Men and Women | Vegetarian Non-GMO Gluten Free Supplement
Horbäach$10.054.5★
What reviews say buyers love and hate about king nitric oxide
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product”
“Helps with blood pressure”
“Good energy”
“Enjoy the taste”
“Low price”
“True to picture”
“Seem effective, if you can completely”
“Heart Health Boost”
“Easy to use”
“Good Supplement”
What buyers complain about
“Didn't work”
“A little pricey”
“I feel no difference after taking these the past several days”
“very weak dosage of beets”
“What happened is my BP dropped very low”
“Taste has changed”
“Not as good as other brands”
“Snap supplements overall are not good for u”
“This doesn't work as advertised”
“Too much sugar”
Top return reasons
Common king nitric oxide questions
- Is king nitric oxide profitable to sell on Amazon United States?
- The niche generates $9K/yr across 7 tracked products. 90-day search growth is -21.0%. Flapen's verdict: Skip it (36/100).
- How competitive is the king nitric oxide niche?
- 7 brands and 30 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 87% of demand.
- What do buyers complain about in king nitric oxide?
- Top complaints mined from reviews: Functionality-Overall, Value For Money, Side Effects. The return rate is 0.0%.
- When does demand for king nitric oxide peak?
- Demand peaks in Feb–Mar; the busiest month runs 21.5× the quietest.
- What does it cost to enter the king nitric oxide niche?
- Listings span $10.05–$42.01; the average listing price is $23.37 (sweet spot $15–$100). The average incumbent carries 18,902 reviews — the moat a new listing must climb.