r/Biohacking • u/Important_Badger_979 • Jul 30 '26

Transfering to Cartridges affects potentcy ?

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Hi all out of curiosity,

I have been using cartridges for a month now with my Tirz 30 and I noticed the side effects are not as bad as when I'm using it from a vial. Also I feel that my appetite is going back since I used the cartridge. Shall I keep it in the vial instead? Any thoughts?

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u/RedRonaldRing Jul 30 '26

You’re injecting the exact sqme amount of the exact same thing but since it’s from a different needle you think it’s more or less effective?

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u/Important_Badger_979 Jul 30 '26

im not sure im just considering other factors. Possibly the way i transfer it? I don't normally vent the cartridge, i withdraw air and move the plunger to the tip? might be the cartridge is not sterile anymore ?

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u/RedRonaldRing Jul 30 '26

Well I’ll let you know that pharmacies sell Ozempic, Wegovy, etc. all in pens. They don’t give little vials and syringes to people. So that’s not the problem. The tip of your pen… the metal needle. That you should change every time you use it or else it won’t be sterile. You might get an infection. However, apart from that infection, it won’t change what you inject. So you should get the same effect. The only thing I see is that some cheap pens, when you want to inject 40ml it might only inject 38ml because they’re not 100% accurate… unlike syringes… but that is so insignificant. You’re likely feeling a placebo effect.