insulin pen
Worth a lookShows a thin review moat (21 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Review moat
Incredible20.77avg incumbent reviews — the moat a new listing must climb
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Avg price
Incredible£25.46avg listing price — sweet spot $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Price range
Great£4.09–£51.95cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Great59%top-5 brand share — no brand owns this niche
Competition
Good49%top-5 click share — leaders hold, buyers still browse
Growth
Good+20.3%90-day search growth — must beat 0% to launch
Conversion
Okay2.1%search→purchase rate — share of searches ending in a sale
Market size
Bad£51K£51K/yr · 97K searches
According to Flapen's Amazon United Kingdom niche tracking, insulin pen is a £51K/yr Amazon United Kingdom market (97K searches/yr). The top 5 brands hold 59% of demand. Verdict: Worth a look — 60/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
insulin pen market data
- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- £38K–£51K
- units × avg price
- Conversion rate
- 2.1%
- Avg BSR
- #203
- Page quality
- 0%
- Prime
- 73%
- Sponsored
- 54%
- Out of stock
- 8.0%
- Avg brand age
- 27 months
- Avg seller age
- 201 days
Competition & brand share
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.Brands
19 rising
Sellers
30
Top-5 brand share
59%
Top 20: 100%
Top-5 click share
49%
Top 20: 93%
Open market
35%
- Novo pen25%
- KP Pharma10%
- Generic9%
- zerown8%
- Signature Peptides8%
- searvgrh6%
Demand
Weekly Amazon search volume, last 11 weeks — +20.3% search growth over the last 90 days.Top insulin pen search terms
- insulin pen63K/yr
- injection pen11K/yr
- insulin pens9K/yr
- novopen6K/yr
- novopen 63K/yr
- lilly insulin pen5K/yr
Top insulin pen 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
NOVOPEN 6 Insulin Pen
Novo pen£41.654.5★108 rev
Reusable 60 Unit Insulin Pen Injector with Aluminium Build | Compatible with All Major Pen Needles | Click-Feedback Dosing System for Clinical Accuracy and Easy Dosing | Drop-Tested for Real-Life Use
KP Pharma£20.725.0★8 rev
NOVOPEN Echo Plus RED Insulin Pen RED Colour
Novo pen£41.374.4★71 rev
Reusable Insulin Pen with Magnetic Travel Case Three Measuring Syringes and 3ml Refillable Glass Cartridge - By Signature
Signature Peptides£30.514.1★7 rev
Reusable Insulin/Peptide Pen Injector with Hard-Shell Travel Case Compatible with Standard 3ml Cartridges Compact and Portable Kit
Generic£27.845.0★4 rev
Newest
by launch date
80 Unit Reusable Peptide Pen Injector with Protect Case Clear Scale Design (Black)
zerown£33.577 rev
Hounyou 60 Unit Reusable Peptide Pen Insulin Pen with Adjustable Dose Dial Compatible Clear Scale Design (Blue)
Hounyou£17.340 rev
Reusable Insulin/Peptide Pen Injector with Hard-Shell Travel Case Compatible with Standard 3ml Cartridges Compact and Portable Kit
Generic£27.844 rev
Strengthbodyandmind 3mL Pen Cartridge Style Vials Sterilized Empty and Individually Packaged 10 Pack
Strength Body & Mind£13.036 rev
Reusable Insulin Pen with Magnetic Travel Case Three Measuring Syringes and 3ml Refillable Glass Cartridge - By Signature
Signature Peptides£30.517 rev
Trending
90-day click momentum
Reusable Peptide Pen Matte Black V4 (Includes 3ml Cartridge) | Latest Adjustable Pen | Premium Build Quality | Same Day UK Dispatch | for Research Use | Insulin Injector Pen | Matte Black
PeptideDirect£19.834.5★
Hounyou 60 Unit Reusable Peptide Pen Insulin Pen with Adjustable Dose Dial Compatible Clear Scale Design (Blue)
Hounyou£17.340.0★
80 Unit Reusable Peptide Pen Injector with Protect Case Clear Scale Design (Black)
zerown£33.574.6★
Reusable Insulin Pen with Magnetic Travel Case Three Measuring Syringes and 3ml Refillable Glass Cartridge - By Signature
Signature Peptides£30.514.1★
Reusable Insulin/Peptide Pen Injector with Hard-Shell Travel Case Compatible with Standard 3ml Cartridges Compact and Portable Kit
Generic£27.845.0★
What buyers say about insulin pen
What buyers praise and complain about, mined from review topics.What buyers love
“Good product quality”
“works as it should”
“Easy to Use”
“as setting the dosage mechanism is straightforward”
“The first impression is its clear, structured design”
“case bundle offers reasonable value for money”
“Diabetic necessity”
“Such a smooth operation with the added bonus of the app to record your dosage”
“The durability seems fine”
“The functionality is precise”
What buyers complain about
“This it item failed after two days use, totally useless”
“are expensive”
“But the barrel is a bit chunky for my wife's smaller hands”
“Not as described”
“Not fit for purpose”
“leaks when you put needle on feels cheap”
“Awful item this doesnt come with the attachment”
“poor needle quality Far away from what I'm using from NHS”
“Very finicky syncing”
“worked fine until the battery run out”
Top return reasons
Common questions
- Is insulin pen profitable to sell on Amazon United Kingdom?
- The niche generates £51K/yr across 26 tracked products. 2 of 16 products launched in the last 360 days are still selling. 90-day search growth is +20.3%. Flapen's verdict: Worth a look (60/100).
- How competitive is the insulin pen niche?
- 19 brands and 30 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 59% of demand.
- What do buyers complain about in insulin pen?
- Top complaints mined from reviews: Durability, Value For Money, Thickness. The return rate is 0.8%.
- What does it cost to enter the insulin pen niche?
- Listings span £4.09–£51.95; the average listing price is £25.46 (sweet spot $15–$100). The average incumbent carries 21 reviews — the moat a new listing must climb.