injection pen
Launch itA $974K/yr market growing +65.4% this quarter with returns at 2.1% — clears our launch bar.
Review moat
Incredible39.67avg incumbent reviews — the moat a new listing must climb
Avg price
Incredible$44.54avg listing price — sweet spot $15–$100
Competition
Great30%top-5 click share — an open shelf
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Market size
Great$974K$974K/yr · 934K searches
Growth
Great+65.4%90-day search growth — must beat 0% to launch
Returns
Good2.1%return rate — above 6% kills the launch gate
Price range
Good$15.85–$153.94cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good70%top-5 brand share — brands hold most of the demand
Conversion
Okay2.3%search→purchase rate — share of searches ending in a sale
Competition
Clicks spread well past the top 5 (30% combined) — an open shelf where new products get seen.Brands
22 rising
Sellers
101
Top-5 brand share
70%
Open market
24%
- Generic38%
- VILKTDD11%
- GXZ Health8%
- EvoLabTech7%
- ENDURAPEP7%
- Ferissvo6%
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 64 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
V2 Reusable Research Peptide Pen Injector (Blue) (1 3ml/cc Cart included)
Generic$24.904.0★74 rev

GXZ Health Vector V2 Reusable Injection Pen Set 5 Pens with 5 Bonus Cartridges 60 Unit Capacity Assorted Colors (Blue Red Black Purple & Silver)
GXZ Health$99.644.0★26 rev

60 Unit Reusable Research Pen Injector with Protect Case and 2Pcs 3ml Cartridges (Blue)
VILKTDD$40.834.3★34 rev

60 Units Reusable Peptide Pen Injector Clear Scale and Protect Case Compatible with 3ML for Home and Travel Use(Gold)
FJNATINH$39.783.9★19 rev

Pink 60 Unit V2 Reusable Pen Injector and Cartridge Filing Block
Generic$25.843.6★29 rev
Newest
by launch date
Reusable Pen Compatible with 3ml Pen Cartridge
Leigeobei$44.065 rev

60 Unit Peptide Pen Reusable Injector Metal Pens with Travel Case Universal Compatibility for Home Work Outdoor Activities (Green)
Ferissvo$39.984 rev

80 Unit Peptide Pen Injector - Reusable Metal Injection Pen with Adjustable Dose Dial Universal Compatibility Include Travel Case for Home Travel Business (Silver)
VILKTDD$39.8715 rev

60 Unit Peptide Pen Injector - Reusable V4 Metal Injection Pen with Adjustable Dose Dial Universal Compatibility Include Travel Case for Home Travel Business (Black)
VILKTDD$39.7815 rev

60 Unit Peptide Pen Reusable Injection Pen with 2pcs 3ml Cartridges and Protect Case Clear Dose Window Daily Use(Blue)
Bourvool$41.4819 rev
Trending
90-day click momentum
Reusable Peptide Pen Injector Adjustable 180 Units Precision Dial Injection Pen Compatible with 3ml Cartridges Portable auto Injection Pen for Home or Travel
OraSafe$39.795.0★

V2 Injection Pen Pen Injector Reusable Injection Pen Compatible with 3ml Pen Cartridges Pen Injector with Precise 1-80 Unit Adjustable Dose Includes 5 Empty 3ml Cartridges and Protective Carry Case
FaipoTeeh$69.963.9★

Reusable Pen Compatible with 3ml Pen Cartridge
Leigeobei$44.063.0★

80 Unit Reusable Pen Injector - V1 Peptide Pens Compatible with 3mL Cartridges Include Protect Organizer for Commute Travel Gym Outdoor Bedside (Black)
EvoLabTech$39.854.0★

60 Unit Peptide Pen Injector - Reusable V4 Metal Injection Pen with Adjustable Dose Dial Universal Compatibility Include Travel Case for Home Travel Business (Black)
VILKTDD$39.784.8★
Demand
Weekly Amazon search volume, last 43 weeks — +65.4% search growth over the last 90 days.Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“easy to handle”
“Excellent product”
“worth every penny”
“Fits Great”
“The case is sturdy”
“Durable Construction”
“Works well”
“Worked as advertised”
“compatibility”
“consistent with dosage”
What buyers complain about
“Quality to value is low”
“Did not work”
“No instructions”
“Broke after 6 weeks”
“very expensive”
“It took several tries for me to release 10u of meds”
“Not easy to use”
“everything was plastic”
“A couple drops of liquid seem to leak out of the needle tip after injection”
“Description incorrect”