penile growth supplements
Skip itA small market ($6K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$30.24avg listing price — sweet spot $15–$100
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Price range
Great$10.23–$58.48cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good68%top-5 brand share — brands hold most of the demand
Competition
Okay65%top-5 click share — leaders hold, buyers still browse
Review moat
Bad10,658.47avg incumbent reviews — the moat a new listing must climb
Growth
Bad-9.2%90-day search growth — must beat 0% to launch
Conversion
Bad0.9%search→purchase rate — share of searches ending in a sale
Market size
Bad$6K$6K/yr · 22K searches
According to Flapen's Amazon United States niche tracking, penile growth supplements is a $6K/yr Amazon United States market (22K searches/yr). The top 5 brands hold 68% of demand. Demand peaks in Jul–Aug. Verdict: Skip it — 45/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
penile growth supplements market data
- Units sold / yr
- 100–250
- avg 0–100/product
- Revenue / yr
- $3K–$8K
- units × avg price
- Conversion rate
- 0.9%
- Avg BSR
- #120
- Page quality
- 0%
- Prime
- 93%
- Sponsored
- 47%
- Out of stock
- 1.2%
- Avg brand age
- 52 months
- Avg seller age
- 161 days
Competition & brand share
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.Brands
14 falling
Sellers
48
Top-5 brand share
68%
Top 20: 100%
Top-5 click share
65%
Top 20: 100%
Open market
26%
- XL Science26%
- Natures Craft13%
- Oohma12%
- Sapir's Nutrition9%
- Nutricost7%
- HAVASU NUTRITION6%
Demand & seasonality
Weekly Amazon search volume, last 102 weeks — -9.2% search growth over the last 90 days.Peak months: Jul, Aug · busiest ÷ quietest = 4.3×
Top penile growth supplements 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.
All 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Kong XXL- Ultimate Male Performance and Enlargement Pills for Men- Add 3-6 in 60 Days- Enhanced Size Drive Strength and Endurance - Boost Performance- 60 Tablets
XL Science$40.333.6★1,778 rev
Natures Craft Horny Goat Weed for Men - Extra Strength Male Supplement with Black Maca Root Tongkat Ali Saw Palmetto & Panax Ginseng Extract for Stamina & Energy - 90 Count
Natures Craft$18.133.9★37,746 rev
Oohma New Male Enhancing Supplement Designed to be Fast Acting for Blood Flow to Gain Length & Girth + Stamina Maca Epimedium and Other Natural Ingredients 3rd Party Tested Supplement 60 Tablets
Oohma$44.703.9★182 rev
Nutricost Nitric Oxide Booster 2250mg 180 Capsules - 750mg Per Casule 60 Servings - Gluten Free and Non-GMO
Nutricost$14.774.5★13,609 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$38.414.2★54,953 rev
Newest
by launch dateOohma New Male Enhancing Supplement Designed to be Fast Acting for Blood Flow to Gain Length & Girth + Stamina Maca Epimedium and Other Natural Ingredients 3rd Party Tested Supplement 60 Tablets
Oohma$44.70182 rev
Livalis Male Enlargement Formula- Add up to 6 Fast Size Energy & Stamina with L-Arginine & Adaptogens Optimized Absorption for Size Strength & Recovery - 60 Tablets
Livalis$40.2618 rev
Testosterone Booster Gummies Male Enhancing Supplement Add 2 in Enlargement Gummies for Men Male Enhancement Chews Energy Strength Stamina Endurance Performance Natural Blue Berry Chews
Sapir's Nutrition$23.401,822 rev
Kong XXL- Ultimate Male Performance and Enlargement Pills for Men- Add 3-6 in 60 Days- Enhanced Size Drive Strength and Endurance - Boost Performance- 60 Tablets
XL Science$40.331,778 rev
Zen Hanger Male Enhancement Pills to Increase Size Permanently (60 Count/Bottle 1 Bottle) - Mens Supplement for Size & Recovery After Enlargement Exercises - Penis Pills for Girth and Enlargement
Zen Hanger$38.62181 rev
Trending
90-day click momentumLivalis Male Enlargement Formula- Add up to 6 Fast Size Energy & Stamina with L-Arginine & Adaptogens Optimized Absorption for Size Strength & Recovery - 60 Tablets
Livalis$40.263.7★
FLAWLESS FOR MEN Stamina | Extra Firm Hard On Pills | Fast Acting L-Arginine L -Citrulline & Nitric Oxide Supplement for Men | Promotes Male Vitality Blood Flow and Endurance | 60 Capsules
FLAWLESS FOR MEN$25.233.7★
Oohma New Male Enhancing Supplement Designed to be Fast Acting for Blood Flow to Gain Length & Girth + Stamina Maca Epimedium and Other Natural Ingredients 3rd Party Tested Supplement 60 Tablets
Oohma$44.703.9★
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★
GNC Mega Men Prostate and Virility Multivitamin for Men Supports Optimal Sexual Health and Prostate Health 90 Count
GNC$32.854.4★
What buyers say about penile growth supplements
What buyers praise and complain about, mined from review topics.What buyers love
“Works like described and taste good”
“Good Energy”
“Excellent Product”
“Low price”
“It does work”
“Worked as advertised”
“Great vitamin”
“Increase in size and libido”
“This really seems to stimulate my hormones”
“Great Boost 👍 These taste great my favorite flavor”
What buyers complain about
“Never worked”
“Low volume per dose”
“But it's expensive”
“then came the massive headache”
“Misleading”
“I noticed the capsules were smaller”
“Unless the company can provide a clear explanation this raises serious questions about transparency and quality control”
“No Boost in Energy”
“Hard to swallow”
“I have not noticed major changes from my multi vitamin”
Top return reasons
Common questions
- Is penile growth supplements profitable to sell on Amazon United States?
- The niche generates $6K/yr across 15 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -9.2%. Flapen's verdict: Skip it (45/100).
- How competitive is the penile growth supplements niche?
- 14 brands and 48 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 68% of demand.
- What do buyers complain about in penile growth supplements?
- Top complaints mined from reviews: Functionality-Overall, Dosage, Value For Money. The return rate is 0.0%.
- When does demand for penile growth supplements peak?
- Demand peaks in Jul–Aug; the busiest month runs 4.3× the quietest.
- What does it cost to enter the penile growth supplements niche?
- Listings span $10.23–$58.48; the average listing price is $30.24 (sweet spot $15–$100). The average incumbent carries 10,658 reviews — the moat a new listing must climb.