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Peptide Critic Community

Peptide Critic Community

  1. Randy the Rats Research Forum
  2. Supplies & Gear
  3. Injection Pens & Devices
  4. V4 vs Xulin 3
March 2026 Contest
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V4 vs Xulin 3

Scheduled Pinned Locked Moved Injection Pens & Devices
18 Posts 7 Posters 247 Views
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  • S Offline
    S Offline
    steve2z
    wrote last edited by
    #1

    Just ordered the V4 from here- but was really interested in the Red Xulin 3(I saw @randy had said they were done) so I'll wait for a non-blue one for him to put on the site- but anyone have both to give me a comparison?

    RandyR F 2 Replies Last reply
    0
    • P Offline
      P Offline
      pc.envy
      wrote last edited by
      #2

      Have the Blue Xulin and would've bought the Red too if it was available. I just received more of the 2.0, 3.5 and can't really tell the difference between all of the pens tbh. Haven't tried my Gansulin yet but it seems I might have to use that one so I can micro-dose reta with my wife in small increments like 2-4 units. I just hate having to save the Gansulin for weekly injections like reta. V4 says accurate micro-dosing so I'll likely try that one too at some point. Can't believe I waited this long to try pens, what a giant dummy...

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      1
      • S steve2z

        Just ordered the V4 from here- but was really interested in the Red Xulin 3(I saw @randy had said they were done) so I'll wait for a non-blue one for him to put on the site- but anyone have both to give me a comparison?

        RandyR Offline
        RandyR Offline
        Randy
        wrote last edited by
        #3

        @steve2z I have some news on the reds ....we found a stockpile overseas and theyre on a boat right now. Eta 3 weeks.

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

        S 1 Reply Last reply
        3
        • F Offline
          F Offline
          fuzzybunny5150
          wrote last edited by
          #4

          Why are the red ones better than the blue ones? What am I missing? I own the blue one and love it.

          R 1 Reply Last reply
          0
          • RandyR Offline
            RandyR Offline
            Randy
            wrote last edited by
            #5

            They arent. Same mechanism. Xulin did a limited run of reds.

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

            1 Reply Last reply
            1
            • F fuzzybunny5150

              Why are the red ones better than the blue ones? What am I missing? I own the blue one and love it.

              R Offline
              R Offline
              ResearchCat
              wrote last edited by ResearchCat
              #6

              @fuzzybunny5150 The red ones are red.

              IMG_3468.jpeg

              1 Reply Last reply
              3
              • RandyR Offline
                RandyR Offline
                Randy
                wrote last edited by
                #7

                one louder

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

                1 Reply Last reply
                3
                • S steve2z

                  Just ordered the V4 from here- but was really interested in the Red Xulin 3(I saw @randy had said they were done) so I'll wait for a non-blue one for him to put on the site- but anyone have both to give me a comparison?

                  F Offline
                  F Offline
                  fuzzybunny5150
                  wrote last edited by
                  #8

                  @steve2z why did you not want the blue one?

                  1 Reply Last reply
                  0
                  • S Offline
                    S Offline
                    steve2z
                    wrote last edited by
                    #9

                    I've got a blue something else- just got a really nice V4 from here- so red helps with my color coded life 🙂

                    1 Reply Last reply
                    2
                    • J Offline
                      J Offline
                      justalittleprick
                      wrote last edited by
                      #10

                      I bought a V4 and a Xulin 3.

                      I see in the other thread you recommend the Somang Novofine 32G 0.23x6mm for the V4.

                      What needles do you recommend for the Xulin 3?

                      F 1 Reply Last reply
                      0
                      • J justalittleprick

                        I bought a V4 and a Xulin 3.

                        I see in the other thread you recommend the Somang Novofine 32G 0.23x6mm for the V4.

                        What needles do you recommend for the Xulin 3?

                        F Offline
                        F Offline
                        fuzzybunny5150
                        wrote last edited by
                        #11

                        @justalittleprick Xulin 3 tips... Link

                        1 Reply Last reply
                        0
                        • J Offline
                          J Offline
                          justalittleprick
                          wrote last edited by
                          #12

                          @fuzzybunny5150 Thank you!

                          1 Reply Last reply
                          0
                          • RandyR Randy

                            @steve2z I have some news on the reds ....we found a stockpile overseas and theyre on a boat right now. Eta 3 weeks.

                            S Offline
                            S Offline
                            steve2z
                            wrote last edited by
                            #13

                            @Randy Just ordered a Red one! Thank you!!!

                            Steve

                            1 Reply Last reply
                            0
                            • I Offline
                              I Offline
                              iMemphis
                              wrote last edited by
                              #14

                              @randy any ETA on when the v4 is coming back in stock? Was looking to purchase 2 more. Thanks

                              RandyR 1 Reply Last reply
                              0
                              • I iMemphis

                                @randy any ETA on when the v4 is coming back in stock? Was looking to purchase 2 more. Thanks

                                RandyR Offline
                                RandyR Offline
                                Randy
                                wrote last edited by
                                #15

                                @iMemphis tonight or tomorrow

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

                                I 1 Reply Last reply
                                2
                                • RandyR Randy

                                  @iMemphis tonight or tomorrow

                                  I Offline
                                  I Offline
                                  iMemphis
                                  wrote last edited by
                                  #16

                                  @Randy Hell yeah, looking forward to purchasing a few! Thank you

                                  1 Reply Last reply
                                  0
                                  • RandyR Offline
                                    RandyR Offline
                                    Randy
                                    wrote last edited by Randy
                                    #17

                                    probably monday or tuesday now. The warehouse rats called in sick yesterday 😕

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

                                    I 1 Reply Last reply
                                    0
                                    • RandyR Randy

                                      probably monday or tuesday now. The warehouse rats called in sick yesterday 😕

                                      I Offline
                                      I Offline
                                      iMemphis
                                      wrote last edited by
                                      #18

                                      @Randy No problem thanks for the update! Looking forward to it

                                      1 Reply Last reply
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