insulin needles 4mm
Worth a lookShows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Review moat
Incredible46.07avg incumbent reviews — the moat a new listing must climb
Brand share
Great42%top-5 brand share — no brand owns this niche
Competition
Great30%top-5 click share — an open shelf
Conversion
Good6.4%search→purchase rate — share of searches ending in a sale
Avg price
Okay£10.49avg listing price — sweet spot $15–$100
Price range
Okay£4.00–£21.10cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★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
According to Flapen's Amazon United Kingdom niche tracking, insulin needles 4mm is a £121K/yr Amazon United Kingdom market (179K searches/yr). The top 5 brands hold 42% of demand. Demand peaks in Apr–May–Jun. Verdict: Worth a look — 60/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
insulin needles 4mm market data
- Units sold / yr
- 8K–10K
- avg 100–250/product
- Revenue / yr
- £84K–£105K
- units × avg price
- Conversion rate
- 6.4%
- Avg BSR
- #117
- Page quality
- 0%
- Prime
- 93%
- Sponsored
- 72%
- Out of stock
- 5.2%
- Avg brand age
- 18 months
- Avg seller age
- 199 days
Competition & brand share
Clicks spread well past the top 5 (30% combined) — an open shelf where new products get seen.Brands
30 rising
Sellers
39
Top-5 brand share
42%
Top 20: 89%
Top-5 click share
30%
Top 20: 67%
Open market
53%
- JIBENGAO12%
- Robust Strength11%
- Atsuhut7%
- Axonora6%
- VitaLyric6%
- Tiezeeu4%
Demand & seasonality
Weekly Amazon search volume, last 67 weeks — +5.1% search growth over the last 90 days.Peak months: Apr, May, Jun · busiest ÷ quietest = 3.2×
Top insulin needles 4mm search terms
- 4mm insulin needles44K/yr
- 6mm insulin needles12K/yr
- 32g needle14K/yr
- insulin syringes with needle 4mm14K/yr
- 32g 4mm needles15K/yr
- 4mm needles for injections7K/yr
- insulin needles 4mm9K/yr
- novofine 31g 6mm8K/yr
- 6mm needles injection monjaro8K/yr
- 31g 6mm insulin needles5K/yr
Top insulin needles 4mm products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Precision Dispensing Tips Fine Micro Applicator Tips Size 31-4 length Clean Packed Universal Connector For Beauty Resin Adhesives Ink Craft & Laboratory Liquid Transfer 100 Pack.
Robust Strength£13.884.8★24 rev
Plastic Multi Purpose Measuring Tools 1ml/cc 32G 6mm Individually Packed (10)
JIBENGAO£5.444.4★128 rev
1ml 31G 6mm Multiple Uses Distribution Measuring Tools Individually Packed Multiple Uses Precision Lab Accessories (10)
VitaLyric£4.543.9★7 rev
100 PCS New Update 4MM 32G Replaceable Stainless Pipette Tips Accessories Individually Sealed for Refilling Liquid Inks Livestock
Tiezeeu£12.275.0★5 rev
32G 4MM Stainless Steel Dispensing Accessories Scientific Measuring and Industrial Use Individually Packed(100 PCS)
Knixxo£14.254.4★25 rev
Newest
by launch date
Pen Tips - Measuring Tool 32/4 - Pack of 100 With Protective Film - Clean Packed Universal Connector - Laboratory Beauty and Cosmetic Production
Generic£18.785 rev
100 pcs 32G 4MM Stainless Steel Dispensing Accessories Luer Lock Industrial Accessories Lab Supplies Individually Packed for Scientific Measuring Refilling Liquid
VitaJect£13.955 rev
20-Pack Clear Plastic Transfer Tools 1ml Multiple Uses Distribution Measuring Tools(6mm Long) Individually Packaged for Measuring Liquids (20)
Atsuhut£7.431 rev
100-Pack Clear Plastic Transfer Tools 1ml Multiple Uses Distribution Measuring Tools(6mm Long) Individually Packaged for Measuring Liquids (100)
Atsuhut£19.431 rev
Pack of 10Pcs Multiple Uses Transfer Tools with Cap 1ml Plastic Measuring Tools(31g 6mm) Individually Packaged for Lab DIY Crafts (10)
Aleriom£5.234 rev
Trending
90-day click momentum20-Pack Clear Plastic Transfer Tools 1ml Multiple Uses Distribution Measuring Tools(6mm Long) Individually Packaged for Measuring Liquids (20)
Atsuhut£7.435.0★
Pack of 10Pcs Multiple Uses Transfer Tools with Cap 1ml Plastic Measuring Tools(31g 6mm) Individually Packaged for Lab DIY Crafts (10)
Aleriom£5.235.0★
100 pcs 32G 4MM Stainless Steel Dispensing Accessories Luer Lock Industrial Accessories Lab Supplies Individually Packed for Scientific Measuring Refilling Liquid
VitaJect£13.953.2★
100 PCS New Update 4MM 32G Replaceable Stainless Pipette Tips Accessories Individually Sealed for Refilling Liquid Inks Livestock
Tiezeeu£12.275.0★
Pen Tips - Measuring Tool 32/4 - Pack of 100 With Protective Film - Clean Packed Universal Connector - Laboratory Beauty and Cosmetic Production
Generic£18.785.0★
What buyers say about insulin needles 4mm
What buyers praise and complain about, mined from review topics.What buyers love
“Great quality excellent VFM”
“Exactly as advertised”
“Good value for money”
“Easy to use”
“Golden Dose Perfect”
“accurately sized”
“very effective”
“They needles are strong and perfect sharpness”
“Great insulin needles”
“so you get good control when dispensing”
What buyers complain about
“Is to tiny”
“Not sharp”
“Not like the photos show at all”
“Flimsy”
“kept bending when trying to inject”
“as medication is so expensive”
“Blunt needles”
“Definitely not as good a quality as the syringes used when working for the NHS”
“1 even broke off in the skin”
“Very thin needles”
Top return reasons
Common questions
- Is insulin needles 4mm profitable to sell on Amazon United Kingdom?
- The niche generates £121K/yr across 54 tracked products. 8 of 43 products launched in the last 360 days are still selling. 90-day search growth is +5.1%. Flapen's verdict: Worth a look (60/100).
- How competitive is the insulin needles 4mm niche?
- 30 brands and 39 sellers compete. The top 5 products take 30% of clicks and top 5 brands hold 42% of demand.
- What do buyers complain about in insulin needles 4mm?
- Top complaints mined from reviews: Size-Overall, Sharpness, Advertised Vs Actual Product. The return rate is 0.1%.
- When does demand for insulin needles 4mm peak?
- Demand peaks in Apr–May–Jun; the busiest month runs 3.2× the quietest.
- What does it cost to enter the insulin needles 4mm niche?
- Listings span £4.00–£21.10; the average listing price is £10.49 (sweet spot $15–$100). The average incumbent carries 46 reviews — the moat a new listing must climb.