How to start with alchemy

I have always putted my faith in power the power to protect myself and the people I care about if the world decided to take but now I put my faith into a new concept change the metamorphosis of being into becoming something better

I want to put the work in to become something more than I am currently

What are the principles of alchemy

Where to start

is there a start to do this that can be build upon to create a own way