I think it depends on the GP and how well he/she knows you. My GP had no problem writing my script and changing it up when I decided to change to super trimix. I'm an RN, so perhaps that makes a difference. Contact a mixing pharmacy and request some literature, then take that with you to your GP.

My experience with trimix was that I required 45units/0.45ml for good results. I was taking 5mg cialis as well with hit or miss results prior to Trimix. I decided to switch to super trimix and now use 25units/0.25ml with consistent good results. If you are not receiving erections you are either not ...