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Peptide Critic Community

Peptide Critic Community

  1. Randy the Rats Research Forum
  2. Supplies & Gear
  3. Injection Pens & Devices
  4. Pen Tips / Needles
March 2026 Contest
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Pen Tips / Needles

Scheduled Pinned Locked Moved Injection Pens & Devices
41 Posts 13 Posters 775 Views 3 Watching
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  • D Offline
    D Offline
    diegoc
    wrote on last edited by
    #3

    @randy hey Randy. I see in the resources guide you recommend the 33g 4mm.

    I have tested every pen needle on the market and the 33g is the best for daily and many shots with no pain.

    I do have some 4mm that i use for doses around 10u and below and for doses 10u+ i use the 6mm.

    Let me know what you think and i can recommend a brand for you to test.

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    • RandyR Offline
      RandyR Offline
      Randy
      wrote on last edited by
      #4

      the best needles are novofine 4mm 32g. Those are the ones that come with the ozempic pens. If you can source them they cost over a dollar each. I use 6mm for GLP or weekly research and 4mm for everything else.

      "If it doesnt come in a needle. It doesn't work"

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      • D Offline
        D Offline
        diegoc
        wrote on last edited by
        #5

        Is 33g too thin?

        B 1 Reply Last reply
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        • D Offline
          D Offline
          diegoc
          wrote on last edited by
          #6

          Do you do the novofine 32g 6m for GLPs

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          • D diegoc

            Is 33g too thin?

            B Offline
            B Offline
            Bobbish
            wrote on last edited by
            #7

            @diegoc only issue with a thinner needle would be it take a sec longer to push. Maybe @randy randy can explain to us why he would use different lengths or gages.

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            • RandyR Offline
              RandyR Offline
              Randy
              wrote on last edited by
              #8

              Theyre once weekly so i want to make sure they are really in there. 4mm should be fine for everything subq for research. I also accidentally ordered 200 of them.

              33g isnt too thin. we link them in our research tools tab because they are the thinnest and least painful for the cost. Ive done hundreds of injections with those and no issue.

              "If it doesnt come in a needle. It doesn't work"

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              1
              • D Offline
                D Offline
                diegoc
                wrote on last edited by
                #9

                Randy I ordered some 4mm and 6mm.

                I like the 4mm for some injections like for local bpc, tb and kpv.

                So the novofine 32g 6mm will feel similar to the 33g 6mm si the novofine has the superflow

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                • R Offline
                  R Offline
                  ResearchCat
                  wrote on last edited by ResearchCat
                  #10

                  I think whatever works best for you is probably fine. I have tried different needles and have settled on 30g 6 or 8mm. I like the 31g but anecdotally, I think maybe stabbing the vial to fill the syringe may dull the needle a bit and cause it to catch a bit when injecting. I could be off base but i find, for example, I don’t feel 31g pen needles at all as compared with 31g syringes. Fun complication: my state restricts shipping of ‘medical supplies’ so some vendors won’t send me syringes or other items without a prescription ‘for my safety’.

                  WRT GHK-Cu, yeah, I have used wolverine stack for a few months, and switching to GLOW, it definitely burns. And diluting helps.

                  RandyR D 2 Replies Last reply
                  1
                  • R ResearchCat

                    I think whatever works best for you is probably fine. I have tried different needles and have settled on 30g 6 or 8mm. I like the 31g but anecdotally, I think maybe stabbing the vial to fill the syringe may dull the needle a bit and cause it to catch a bit when injecting. I could be off base but i find, for example, I don’t feel 31g pen needles at all as compared with 31g syringes. Fun complication: my state restricts shipping of ‘medical supplies’ so some vendors won’t send me syringes or other items without a prescription ‘for my safety’.

                    WRT GHK-Cu, yeah, I have used wolverine stack for a few months, and switching to GLOW, it definitely burns. And diluting helps.

                    RandyR Offline
                    RandyR Offline
                    Randy
                    wrote on last edited by
                    #11

                    @ResearchCat My friend in texas forwards me EZtouches every 6 months or so. It's so dumb.

                    "If it doesnt come in a needle. It doesn't work"

                    1 Reply Last reply
                    1
                    • R ResearchCat

                      I think whatever works best for you is probably fine. I have tried different needles and have settled on 30g 6 or 8mm. I like the 31g but anecdotally, I think maybe stabbing the vial to fill the syringe may dull the needle a bit and cause it to catch a bit when injecting. I could be off base but i find, for example, I don’t feel 31g pen needles at all as compared with 31g syringes. Fun complication: my state restricts shipping of ‘medical supplies’ so some vendors won’t send me syringes or other items without a prescription ‘for my safety’.

                      WRT GHK-Cu, yeah, I have used wolverine stack for a few months, and switching to GLOW, it definitely burns. And diluting helps.

                      D Offline
                      D Offline
                      diegoc
                      wrote on last edited by
                      #12

                      @ResearchCat buddy my needles never touch anything other than my skin, any gauge

                      1 Reply Last reply
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                      • D Offline
                        D Offline
                        diegoc
                        wrote on last edited by
                        #13

                        @randy lets see how the best needles feel…lol
                        27f7c39c-7eaa-487a-9225-c0d3f07e15e1.jpeg

                        1 Reply Last reply
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                        • D Offline
                          D Offline
                          diegoc
                          wrote on last edited by
                          #14

                          My rat tested the new needle with TA-1 and loved it…

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                          • RandyR Offline
                            RandyR Offline
                            Randy
                            wrote on last edited by
                            #15

                            RIGHT? The glucocare ones we suggest are fine but the novofine... "Its not just an injection. Its an experience"

                            "If it doesnt come in a needle. It doesn't work"

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                            • D Offline
                              D Offline
                              diegoc
                              wrote on last edited by
                              #16

                              I agree the glucocare and clear choice are great options but for those who want the Ferrari, well then Novofine is the one

                              1 Reply Last reply
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                              • P Offline
                                P Offline
                                PeptideEd
                                wrote on last edited by
                                #17

                                @randy thoughts on the Novofine Plus?

                                1 Reply Last reply
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                                • RandyR Offline
                                  RandyR Offline
                                  Randy
                                  wrote on last edited by
                                  #18

                                  Theyre the best one made. The cheapest i can find them is here https://www.diabeticwarehouse.org/products/novofine-plus-32g-4mm-pen-needles?srsltid=AfmBOooaxgMQD4uuFZLrY18IYO7wm6VFDdV2LEOCSjdvg84k-2RLJl18

                                  If anyone has a better source on those im all ears

                                  PXL_20260107_041450165.jpg

                                  "If it doesnt come in a needle. It doesn't work"

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                                  • mrjoshua44M Offline
                                    mrjoshua44M Offline
                                    mrjoshua44
                                    wrote on last edited by
                                    #19

                                    I’m assuming that these are knockoffs? The box looks completely different than most others I’ve seen.IMG_1576.jpeg

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                                    • RandyR Offline
                                      RandyR Offline
                                      Randy
                                      wrote on last edited by
                                      #20

                                      no they are asian market. They arent the same as the novofine plus though.

                                      "If it doesnt come in a needle. It doesn't work"

                                      I 1 Reply Last reply
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                                      • RattlerR Offline
                                        RattlerR Offline
                                        Rattler
                                        wrote on last edited by Rattler
                                        #21

                                        When using the V2 pen with the retractable end pin cover, Are the Novafine plus 4mm pen tips long enough ?

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                                        • RandyR Offline
                                          RandyR Offline
                                          Randy
                                          wrote on last edited by
                                          #22

                                          I just checked...wasted a needle. Yes it works. I forget about that "feature" on the v2. I've never actually used it.

                                          "If it doesnt come in a needle. It doesn't work"

                                          RattlerR 1 Reply Last reply
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