Is a baseline blood test really necessary before starting something like this? How long have you been on GHK-Cu?

How do you tell the difference between the drug working and just a good week?

Is a baseline blood test really necessary before starting something like this?

How do you tell the difference between the drug working and just a good week?

Is it normal to feel worse before better? Nobody told me that. Currently on a health app myself.

Reference ranges differ between labs, so comparing two reports is close to meaningless.