---
title: "Trend — insulin needles 4mm - Flapen"
canonical_url: "https://flapen.com/research/uk/business-industry-science/insulin-needles-4mm/trend"
last_updated: "2026-07-31T16:03:08.092Z"
locale: en
meta:
  description: "Niche score 60/100 · £121K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 60/100 · £121K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — insulin needles 4mm - Flapen"
---

# **insulin needles 4mm**

**Worth a look**

Shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 28Growth 31Conversion 70Competition 85Returns 99Price range 36Avg price 37Brand share 93Review moat 98Quality gap 35

**Returns**

**Incredible****0.1%**

return rate — above 5% kills the launch gate

**Review moat**

**Incredible****46.07**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Great****42%**

top-5 brand share — no brand owns this niche

**Competition**

**Great****30%**

top-5 click share — an open shelf

**Conversion**

**Good****6.4%**

search→purchase rate — share of searches ending in a sale

**Avg price**

**Okay****£10.49**

avg listing price — sweet spot $15–$100

**Price range**

**Okay****£4.00–£21.10**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Growth**

**Okay****+5.1%**

90-day search growth — must beat 0% to launch

**Market size**

**Okay****£121K**

£121K/yr · 179K searches

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=uk&signal=low_review_barrier "Top brand's reviews < 500")