NFPT (National Federation of Professional Trainers
The NFPT or National Federation of Professional Trainers is a highly known personal trainer organization that can actually certify you as a personal trainer. You can take a test to be certified or if you don't want to become a trainer you can buy a book or other resources to learn about our whole bodies and everything that happens in it. Here is a link to the NFPT webpage. https://www.nfpt.com
Supplements/Protein
Here is a list of different websites to look for protein for your workouts or for daily protein use: http://search.bodybuilding.com/bbsearch/slp/full?context=all&query=protein, http://www.eatthis.com/protein-powders.