---
title: "Trend — injection pen"
canonical_url: "https://flapen.com/research/us/health-household/injection-pen/trend"
last_updated: "2026-08-12T11:04:45.462Z"
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": "Trend — injection pen"
---

# **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%")

## Trend