Hello, Old Timer Returns

Hi I was a regular on this site 10 years ago or more. I know the rules must have changed so if anyone could give me the crash course it would be appreciated.

Getting old need help with nagging injuries…was thinking IGF-3 which I have but that too is old. Yet IMSMC it lasts a real long time in storage - its been in cold storage

There are no PM for last ~3 years.
No discussion of sources.