bd nano 2nd gen pen needles 4mm x 32g
Worth a lookShows low returns (0.2%), but soft demand (-37.3% this quarter) keeps it on the watch list.
Returns
Incredible0.2%return rate — above 5% kills the launch gate
Price range
Great$8.60–$49.26cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great8.3%search→purchase rate — share of searches ending in a sale
Avg price
Great$16.71avg listing price — sweet spot $15–$100
Brand share
Great58%top-5 brand share — no brand owns this niche
Competition
Good49%top-5 click share — leaders hold, buyers still browse
Review moat
Good1,447.55avg incumbent reviews — the moat a new listing must climb
Market size
Okay$111K$111K/yr · 80K searches
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Growth
Bad-37.3%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, bd nano 2nd gen pen needles 4mm x 32g is a $111K/yr Amazon United States market (80K searches/yr). The top 5 brands hold 58% of demand. Verdict: Worth a look — 52/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
bd nano 2nd gen pen needles 4mm x 32g market data
- Units sold / yr
- 8K–10K
- avg 250–500/product
- Revenue / yr
- $134K–$167K
- units × avg price
- Conversion rate
- 8.3%
- Avg BSR
- #319
- Page quality
- 0%
- Prime
- 97%
- Sponsored
- 76%
- Out of stock
- 11.3%
- Avg brand age
- 49 months
- Avg seller age
- 188 days
Competition & brand share
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.Brands
18 rising
Sellers
19
Top-5 brand share
58%
Top 20: 100%
Top-5 click share
49%
Top 20: 93%
Open market
36%
- CARELIVING15%
- Generic14%
- Medt13%
- TonmiCare9%
- Sensifine7%
- Pro Comfort5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -37.3% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.6×
Top bd nano 2nd gen pen needles 4mm x 32g search terms
- nano 2 gen pen needle 32g 4mm10K/yr
- bd nano pen needles 4mm x 32g 2nd generation30K/yr
- droplet pen needles 32g 4mm7K/yr
- bd pen needles 32g 4mm ultra fine5K/yr
- bd nano 2nd gen pen needles 4mm x 32g6K/yr
- nano pen needle2K/yr
- bd sterile needle 0.23mm x 4mm 32g x 5/323K/yr
- bd nano pen needles3K/yr
- b-d nano 2nd gen pen ndl 32gx4mmgrn4K/yr
- bd nano 2nd gen pen needles3K/yr
Top bd nano 2nd gen pen needles 4mm x 32g 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
Pen Tips 32G x 4mm Universal Fit 100/bx Sterile Comfortable
CARELIVING$13.844.7★279 rev
BD Ultra-Fine Nano 2nd Gen Pen Tips 32G x 4mm 90 Count
Generic$49.264.8★6 rev
Medt Fine Insulin Pen Needles 32G 4mm - Ultra-Fine Diabetic Pen Needles Designed for Comfort Universal Fit for Most Pen-Style Devices Sterile Single-Use Pen Tips 100 Count (Pack of 1)
Medt$8.864.8★15,806 rev
Tonmicare Pen Needles 32g 4mm Ultra Fine Compatible with Most Diabetes Pens 200 pcs/Box (5/32)
TonmiCare$28.044.6★228 rev
Sensifine Pen Tips 32G x 4mm Box of 100 Universal Compatibility with most Pen Devices
Sensifine$16.044.5★75 rev
Newest
by launch dateBD Ultra-Fine Nano 2nd Gen Pen Tips 32G x 4mm 90 Count
Generic$49.266 rev
Universal Fit Pen Tip 32G x 4mm(5/32) with a Wide Compatibility Thin-Wall Comfortable Design 100 PCS Pen Tips
Pro Comfort$12.8144 rev
iHome 32G x 4mm Pen Tips 100 Count Universal Fit Comfortable Design 32G 4mm(5/32)
iHome$12.4341 rev
Ezoon 200 Count Pen Tips 32G x 4mm (5/32) Universal Fit Extra-Thin Comfortable
Ezoon$19.2325 rev
Sensifine Plus Pen Tips 32G x 4mm Box of 100 Universal Compatibility with most Pen Devices
Sensifine$18.0140 rev
Trending
90-day click momentum
TonmiCare Pen Tips 32G 4mm Box of 100 Universal Fit with Most Pen Devices
TonmiCare$19.144.7★
Universal Fit Pen Tip 32G x 4mm(5/32) with a Wide Compatibility Thin-Wall Comfortable Design 100 PCS Pen Tips
Pro Comfort$12.814.8★
BD Ultra-Fine Nano 2nd Gen Pen Tips 32G x 4mm 90 Count
Generic$49.264.8★
Pen Tips 32G x 4mm(5/32) Universal Fit SterileUltra-Thin Wall Technology. Comfortable and Precise100 Count
Pharmacy Choice$11.704.8★
iHome 32G x 4mm Pen Tips 100 Count Universal Fit Comfortable Design 32G 4mm(5/32)
iHome$12.434.9★
What buyers say about bd nano 2nd gen pen needles 4mm x 32g
What buyers praise and complain about, mined from review topics.What buyers love
“Great deal”
“very consistent quality”
“Fit great”
“easy to open”
“AS Advertised”
“No discomfort”
“Works great for my GL1 injections”
“Comfortable and Sharp”
“These are affordable, work well and are compatible”
“Works with fast or slow acting insulin”
What buyers complain about
“Not a good fit for me”
“Quality control issue”
“it hurts so much”
“These needles are thicker than I usually get”
“A bit pricey”
“Leaking”
“not as comfortable for me”
“Also these needles don't seem to be quite as sharp”
“Dont work with insulin pens or sililiar medication pens”
“They require a lot of force to get them into the skin”
Top return reasons
Common questions
- Is bd nano 2nd gen pen needles 4mm x 32g profitable to sell on Amazon United States?
- The niche generates $111K/yr across 29 tracked products. 13 of 15 products launched in the last 360 days are still selling. 90-day search growth is -37.3%. Flapen's verdict: Worth a look (52/100).
- How competitive is the bd nano 2nd gen pen needles 4mm x 32g niche?
- 18 brands and 19 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 58% of demand.
- What do buyers complain about in bd nano 2nd gen pen needles 4mm x 32g?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Pain Relief-Overall. The return rate is 0.2%.
- When does demand for bd nano 2nd gen pen needles 4mm x 32g peak?
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- What does it cost to enter the bd nano 2nd gen pen needles 4mm x 32g niche?
- Listings span $8.60–$49.26; the average listing price is $16.71 (sweet spot $15–$100). The average incumbent carries 1,448 reviews — the moat a new listing must climb.