The world of probiotics can be quite confusing. There are soooo many to choose from and they are not exactly cheap to buy.
While you can absolutely start with the free bacteria from your environment (your kitchen and your garden), here is one quick reference booklet for you to make a decision when you want to purchase proven bacteria:
This guide introduces you to 5 beneficial bacteria that are easy to find in shops and it helps you decide when each one is the right one for you.
I interviewed the author of this guide, the probiotic expert Steph Jackson in podcast #10 of Superfood Secrets: www.SuperfoodAcademy.com/itunes.