Injection Pen
PassInjection Pen scores 73 out of 100, a Pass. Shoppers spend an estimated $974K a year here, search demand grew +65.4% this quarter, and an estimated 2.1% of orders come back.
- Flapen Score
- 73 / 100Top 1% of 14,768 Health & Household niches · +24 vs the category median of 4973
- Market size
- $974K/yr934K searches / yr
- 90-day growth
- +65.4%search demand this quarter
- Competition
- 30%top-5 click share · 22 brands · 101 sellers
Flapen Score
Injection Pen against its category
The dotted line is the Health & Household average. Past it, Injection Pen is stronger. Inside it, weaker.
Market
The Injection Pen market on Amazon at a glance
Shoppers on Amazon United States searched for Injection Pen 934K times last year and spent an estimated $974K. The top 5 brands take 70% of clicks. Flapen scores it 73 out of 100, a Pass.
01 · Demand
An estimated 2.3% of those searches ended in a purchase.
Shoppers searched for this 934K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 2.3% of those searches ended in a purchase. Searches in the last 90 days moved +65.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $974K a year.
- Searches, last 12 months
- 934K
- Growth, 90 days vs prior 90
- +65.4%
- Conversion, latest week
- 2.3%
- Market size, estimated
- $974Ka year
- Top search term
- peptide pen215K searches a year
02 · Price
A sale here is worth $44.54.
Listings sell for $44.54 on average, from $15.85 to $153.94. Amazon reports units sold in ranges. This niche sold 15K to 20K a year. The average listing sells 250 to 500 of them. At $44.54 that is $11K to $22K a year per listing.
- Average price
- $44.54inside the $15 to $100 sweet spot
- Price range
- $15.85–$153.94
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 15K–20K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $11K–$22K
- Returns
- 2.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
70% of listings pay for placement with sponsored ads. 81% ship with Prime. On an average day, 15.9% of listings are out of stock. The average listing ranks #288 within Diabetes Care. It carries 40 reviews at 4.21 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 70%
- Prime listings
- 81%
- Out of stock, average day
- 15.9%
- Average rank
- #288in Diabetes Care
- Average rating
- 4.21 starsAmazon United States average 4.42 stars
- Average reviews
- 40per listing
- Listings tracked
- 64
04 · Newcomers
35 of last year's 55 launches cleared the first-year sales bar.
55 products launched here in the last 12 months. 35 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 32 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 55
- Successful launches
- 35Amazon's first-year sales bar
- Average brand age
- 32 months
Products
Top Injection Pen products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 10, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
V2 Reusable Research Peptide Pen Injector (Blue) (1 3ml/cc Cart included)
- Price
- $24.90
- Rating
- 4.0/5
- Reviews
- 74
- Age
- 8mo ago

GXZ Health Vector V2 Reusable Injection Pen Set 5 Pens with 5 Bonus Cartridges 60 Unit Capacity Assorted Colors (Blue Red Black Purple & Silver)
- Price
- $99.64
- Rating
- 4.0/5
- Reviews
- 26
- Age
- 2mo ago

60 Unit Reusable Research Pen Injector with Protect Case and 2Pcs 3ml Cartridges (Blue)
- Price
- $40.83
- Rating
- 4.3/5
- Reviews
- 34
- Age
- 3mo ago

60 Units Reusable Peptide Pen Injector Clear Scale and Protect Case Compatible with 3ML for Home and Travel Use(Gold)
- Price
- $39.78
- Rating
- 3.9/5
- Reviews
- 19
- Age
- 1y ago

Pink 60 Unit V2 Reusable Pen Injector and Cartridge Filing Block
- Price
- $25.84
- Rating
- 3.6/5
- Reviews
- 29
- Age
- 10mo ago
Trending
estimated 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)
- Price
- $39.87
- Rating
- 4.8/5
- Reviews
- 15
- Age
- 1mo ago

60 Unit Reusable Research Pen Injector with Protect Case and 2Pcs 3ml Cartridges (Blue)
- Price
- $40.83
- Rating
- 4.3/5
- Reviews
- 34
- Age
- 3mo ago

60 Units Reusable Peptide Pen Injector Clear Scale and Protect Case Compatible with 3ML for Home and Travel Use(Gold)
- Price
- $39.78
- Rating
- 3.9/5
- Reviews
- 19
- Age
- 1y ago

GXZ Health Vector V2 Reusable Injection Pen Set 5 Pens with 5 Bonus Cartridges 60 Unit Capacity Assorted Colors (Blue Red Black Purple & Silver)
- Price
- $99.64
- Rating
- 4.0/5
- Reviews
- 26
- Age
- 2mo ago

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
- Price
- $39.22
- Rating
- 5.0/5
- Reviews
- 9
- Age
- 2mo ago
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)
- Price
- $39.87
- Rating
- 4.8/5
- Reviews
- 15
- Age
- 1mo ago

GXZ Health Vector V2 Reusable Injection Pen Set 5 Pens with 5 Bonus Cartridges 60 Unit Capacity Assorted Colors (Blue Red Black Purple & Silver)
- Price
- $99.64
- Rating
- 4.0/5
- Reviews
- 26
- Age
- 2mo ago

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
- Price
- $39.22
- Rating
- 5.0/5
- Reviews
- 9
- Age
- 2mo ago

60 Unit Peptide Pen Reusable V2 Injector Metal Pens with 2PCS 3ml Cartridges and Travel Case Universal Compatibility Daily Use (Black)
- Price
- $42.08
- Rating
- 4.3/5
- Reviews
- 29
- Age
- 2mo ago

60 Unit Reusable Pen Injector - V3 Peptide Pens Compatible with 3mL Cartridges Include Protect Organizer for Commute Travel Gym Outdoor Bedside (Gold)
- Price
- $39.77
- Rating
- 4.0/5
- Reviews
- 20
- Age
- 2mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 30% of clicks, no more. An open shelf where new products get seen.
Brands
22 rising
Sellers
101
Est. top-5 brand share
70%
Top 20: 98%
Est. top-5 click share
30%
Top 20: 62%
Open market
24%
- Generic38%
- VILKTDD11%
- GXZ Health8%
- EvoLabTech7%
- ENDURAPEP7%
- Ferissvo6%
Demand
Injection Pen search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Mar, Apr, May, Jun · busiest ÷ quietest = 10.3× · 10 of 12 months tracked
Search terms
Top Injection Pen search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- peptide pen215K/yr
- peptide pen injector138K/yr
- insulin pen175K/yr
- injection pen80K/yr
- reusable insulin pen68K/yr
- v2 pen injector46K/yr
- auto injector pen36K/yr
- peptide pens17K/yr
- v2 peptide pen13K/yr
- injector pen20K/yr
Reviews and returns
What reviews say buyers love and hate about Injection Pen
We read the reviews and the return reasons for every product selling here.
“Quality to value is low”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
15 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Injection Pen questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









