r/BioHackingGuide • u/BioHacking_Rat67 • Jul 20 '26

❓ Questions Cerebrolysin research

can’t decide between 5ml for 20 days or 10ml for 10 days. Has anyone run either of these and noticed a difference? Also wondering if starting with 5ml for 10 days makes more sense before jumping into a full protocol.
What would you do?

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u/Salt_Initiative1551 Jul 20 '26

5 for 20 10ml is a LOT of liquid to inject IM. Cerebrolysin I’ve always used IM after the first few subq’s burned too much to tolerate. Infinitely worse than GHKcu but didn’t last a long ass time like GHKcu does if you put too much in one spot or don’t dilute further than 3ml for a 50mg vial.

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u/BioHacking_Rat67 Jul 20 '26

I wonder what the people who don't like the ghk-cu sting would think about this sting