---
title: "Injection Pen — $81K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/health-household/injection-pen"
last_updated: "2026-08-12T10:20:51.012Z"
locale: en
meta:
description: "Amazon product research for injection pen: $81K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for injection pen: $81K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Injection Pen — $81K/mo Amazon US Product Research (2026)"
---
# **Injection Pen**
**Launch it**
A $974K/yr market growing +65.4% this quarter with returns at 2.1% — clears our launch bar.
Market size 77Growth 77Conversion 29Competition 85Returns 74Price range 61Avg price 95Brand share 58Review moat 98Quality gap 81
**Review moat**
**Incredible****39.67**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Incredible****$44.54**
avg listing price — sweet spot $15–$100
**Competition**
**Great****30%**
top-5 click share — an open shelf
**Quality gap**
**Great****4.2★**
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**
**Good****2.1%**
return rate — above 5% kills the launch gate
**Price range**
**Good****$15.85–$153.94**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****70%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Okay****2.3%**
search→purchase rate — share of searches ending in a sale
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")
## **Is injection pen profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, injection pen is a $974K/yr Amazon United States market (934K searches/yr). The top 5 brands hold 70% of demand. Verdict: Launch it — 73/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **injection pen market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **15K–20K**
- avg 250–500/product
- **Revenue / yr**
- **$668K–$891K**
- units × avg price
- **Conversion rate**
- **2.3%**
- **Avg BSR**
- **#288**
- **Page quality**
- **0%**
- **Prime**
- **81%**
- **Sponsored**
- **70%**
- **Out of stock**
- **15.9%**
- **Avg brand age**
- **32 months**
- **Avg seller age**
- **143 days**
## **Competition: brands, sellers & click share**
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%**
Top 20: 98%
**Top-5 click share**
**30%**
Top 20: 62%
**Open market**
**24%**
- Generic38% - VILKTDD11% - GXZ Health8% - EvoLabTech7% - ENDURAPEP7% - Ferissvo6%
## **injection pen demand & seasonality**
Weekly Amazon search volume, last 43 weeks — +65.4% search growth over the last 90 days.
35K25KSpike '25Spike '26Sep '25Nov '25Dec '25Feb '26Mar '26May '26
[**Open Trend **](https://flapen.com/research/us/health-household/injection-pen/trend)
## **Top injection pen search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **peptide pen**215K/yr+106.7%1.4% conv. - **peptide pen injector**138K/yr+128.5%1.5% conv. - **insulin pen**175K/yr+26.8%0.8% conv. - **injection pen**80K/yr+40.2%1.1% conv. - **reusable insulin pen**68K/yr+1.8%0.7% conv. - **v2 pen injector**46K/yr+33.9%2.1% conv. - **auto injector pen**36K/yr+113.5%1.4% conv. - **peptide pens**17K/yr+106.1%1.7% conv. - **v2 peptide pen**13K/yr+173.7%2.4% conv. - **injector pen**20K/yr+35.7%1.4% conv. [**All search terms **](https://flapen.com/research/us/health-household/injection-pen/search-terms)
## **Top injection pen 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.
0%3%$29K6%$58K9%$88K12%$117K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**V2 Reusable Research Peptide Pen Injector (Blue) (1 3ml/cc Cart included)**Generic**$24.90**4.0★74 rev](https://www.amazon.com/dp/B0FYQVQ6RS) [2**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**$99.64**4.0★26 rev](https://www.amazon.com/dp/B0GZ8Q5GC9) [3**60 Unit Reusable Research Pen Injector with Protect Case and 2Pcs 3ml Cartridges (Blue)**VILKTDD**$40.83**4.3★34 rev](https://www.amazon.com/dp/B0GWH1FN3K) [4**60 Units Reusable Peptide Pen Injector Clear Scale and Protect Case Compatible with 3ML for Home and Travel Use(Gold)**FJNATINH**$39.78**3.9★19 rev](https://www.amazon.com/dp/B0GTTM7YYM) [5**Pink 60 Unit V2 Reusable Pen Injector and Cartridge Filing Block**Generic**$25.84**3.6★29 rev](https://www.amazon.com/dp/B0FMWVF89V)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**80 Unit Peptide Pen Injector - Reusable Metal Injection Pen with Adjustable Dose Dial Universal Compatibility Include Travel Case for Home Travel Business (Silver)**VILKTDD**$39.87**15 rev1mo ago](https://www.amazon.com/dp/B0H3KQ9R93) [**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**$99.64**26 rev2mo ago](https://www.amazon.com/dp/B0GZ8Q5GC9) [**60 Unit V3 Reusable Peptide Pen Injector Adjustable Dose Dial Injection Pen Compatible with 3ml Cartridges Clear Scale Portable Reusable Injection Pen for Home or Travel**OraSafe**$39.22**9 rev2mo ago](https://www.amazon.com/dp/B0GV7WPHHC) [**60 Unit Peptide Pen Reusable V2 Injector Metal Pens with 2PCS 3ml Cartridges and Travel Case Universal Compatibility Daily Use (Black)**Ferissvo**$42.08**29 rev2mo ago](https://www.amazon.com/dp/B0GYBZ5S2P) [**60 Unit Reusable Pen Injector - V3 Peptide Pens Compatible with 3mL Cartridges Include Protect Organizer for Commute Travel Gym Outdoor Bedside (Gold)**EvoLabTech**$39.77**20 rev2mo ago](https://www.amazon.com/dp/B0GXYWQ4R7)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**80 Unit Peptide Pen Injector - Reusable Metal Injection Pen with Adjustable Dose Dial Universal Compatibility Include Travel Case for Home Travel Business (Silver)**VILKTDD**$39.87**4.8★**▲ 75%**](https://www.amazon.com/dp/B0H3KQ9R93) [**60 Unit Reusable Research Pen Injector with Protect Case and 2Pcs 3ml Cartridges (Blue)**VILKTDD**$40.83**4.3★**▲ 75%**](https://www.amazon.com/dp/B0GWH1FN3K) [**60 Units Reusable Peptide Pen Injector Clear Scale and Protect Case Compatible with 3ML for Home and Travel Use(Gold)**FJNATINH**$39.78**3.9★**▲ 75%**](https://www.amazon.com/dp/B0GTTM7YYM) [**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**$99.64**4.0★**▲ 74%**](https://www.amazon.com/dp/B0GZ8Q5GC9) [**60 Unit V3 Reusable Peptide Pen Injector Adjustable Dose Dial Injection Pen Compatible with 3ml Cartridges Clear Scale Portable Reusable Injection Pen for Home or Travel**OraSafe**$39.22**5.0★**▲ 74%**](https://www.amazon.com/dp/B0GV7WPHHC)
**~~View all trending →~~**
## **What reviews say buyers love and hate about injection pen**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**16%
*“easy to handle”*
**Quality-Overall**11%
*“Excellent product”*
**Value For Money**7%
*“worth every penny”*
**Size-Overall**5%
*“Fits Great”*
**Strength**5%
*“The case is sturdy”*
**Durability**5%
*“Durable Construction”*
**Efficiency**4%
*“Works well”*
**Advertised Vs Actual Product**4%
*“Worked as advertised”*
**Compatibility-Overall**3%
*“compatibility”*
**Dosage**3%
*“consistent with dosage”*
### **What buyers complain about **
**Quality-Overall**8%
*“Quality to value is low”*
**Functionality-Overall**8%
*“Did not work”*
**Instructions/User Manual/Troubleshooting**7%
*“No instructions”*
**Durability**6%
*“Broke after 6 weeks”*
**Value For Money**6%
*“very expensive”*
**Dosage**5%
*“It took several tries for me to release 10u of meds”*
**Ease Of Use**4%
*“Not easy to use”*
**Material Quality**3%
*“everything was plastic”*
**Leak-Proof**3%
*“A couple drops of liquid seem to leak out of the needle tip after injection”*
**Advertised Vs Actual Product**2%
*“Description incorrect”*
### **Top return reasons **
**Functionality-Overall**21%
**Size-Overall**15%
**Advertised Vs Actual Product**11%
**Compatibility-Overall**11%
**Instructions/User Manual/Troubleshooting**4%
**Dosage**4%
**Dispensing Mechanism**4%
**Quality-Overall**4%
**Ease Of Use**4%
**Leak-Proof**3%
## **Common injection pen questions**
- **Is injection pen profitable to sell on Amazon United States?**
- The niche generates $974K/yr across 64 tracked products. 35 of 55 products launched in the last 360 days are still selling. 90-day search growth is +65.4%. Flapen's verdict: Launch it (73/100).
- **How competitive is the injection pen niche?**
- 22 brands and 101 sellers compete. The top 5 products take 30% of clicks and top 5 brands hold 70% of demand.
- **What do buyers complain about in injection pen?**
- Top complaints mined from reviews: Quality-Overall, Functionality-Overall, Instructions/User Manual/Troubleshooting. The return rate is 2.1%.
- **What does it cost to enter the injection pen niche?**
- Listings span $15.85–$153.94; the average listing price is $44.54 (sweet spot $15–$100). The average incumbent carries 40 reviews — the moat a new listing must climb.
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