CommunityCompound Experiences

time to buy more pen needles.. what's your favorite? has anyone tried the BD Nano ultrafine?

13 replies9 peopleApr 9, 2026☆ Follow
Summary

what pen needle brands and sizes hurt the least and perform most consistently?

Users report varying pain levels across brands and batches, with shorter 4-5 mm needles often preferred when inserted straight. Some find certain 32 g or 34 g options gentler on skin while others note sting in roughly one-fifth of injections from the same box. Pens are valued mainly for daily convenience rather than cost savings over syringes.

What this discussion establishesWhere people disagree

users disagree on which specific needles feel painless versus painful, with the same products praised by some and criticized by others

Still open

whether the ultrafine options are worth trying or which single brand is most reliable overall

Nothing here is advice.

13 replies · 9 people
ClearWillow59archiveopening postApr 9

Tried the insulin syringes and they hurt! Since switching to pens I've used several different brands but recently they've been inconsistent. Some injections are painless while others sting. Wondering which ones perform best in your view, and if the ultrafine ones are worth trying. Anyone used them? Appreciate any info.

NorthLantern91archiveApr 9

I agree with that suggestion. You feel nothing at all. I use the 5 mm size and really thought the claims were exaggerated until I had to use a different cheaper brand. That hurt!

ClearWillow59archiveApr 9

Thanks! Currently using the 32G 4 and 8 mm from one brand. In the boxes I'm getting, about 20% sting.

SharpTimber40archiveApr 9

I have no clue on the maker yet choosing the thinner size feels like a big shift after previously using the thicker one. I slide it in straight without angling it at all.

ClearWillow59archiveApr 9

Appreciate the heads up, I've already gone ahead and ordered those.

ClearWillow59archiveApr 9
↳ replying to @SharpTimber40

I use both, the 4 mm for most things but the 8 for KLOW.

IronThistle53archiveApr 9

For basic peptides alone I like going with finer 34-gauge needles made for pens. They create less disturbance to the skin covering the cartridge top.

ClearWillow59archiveApr 9
↳ replying to @IronThistle53

Yeah, those don't show up much from what I've noticed.

BlueSignal49archiveApr 9

Got myself a trial assortment from one provider and really liked a couple of the options in those sizes so grabbed full cartons of both later. Then sampled another variety bought online and won't touch those anymore. Now nearly a hundred sit unused and I have no clue how to deal with them.

RustCompass30archiveApr 9

Once you look past the first payment for the device, does it end up costing less money than using syringes for insulin?

BlueSignal49archiveApr 9
↳ replying to @RustCompass30

It's not really about saving money. The big plus is how simple it gets for stuff that needs shots every day. Those pens with the two peptides let me wrap up my morning routine in just a minute or two.

PlainAlder11archiveApr 9

Interesting. I use 31 g / 8 mm syringes, barely feel them. I have the other brand too.

ClearMarble44archiveApr 9

It's amusing how these opposite reports clash with what happens for me. The 4mm 32g ones don't register at all, yet half the time the 8mm 31g and 6mm 22g versions cause a pinch or sting.

SteadyAnchor73archiveApr 9

IMHO, one brand's syringe needles are the best but their pen needles suck. For pen needles two other brands are my go to’s.

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time to buy more pen needles.. what's your favorite? has anyone tried the BD Nano ultrafine? · ZyraTrack Community