what kind of permit or license do i need to grow and sell herbs?

Hello every one,I wanted to start a home-based business growing herbs i learned how to grow indoors.I feel i can be successful because of the large network i know.my obstacle is i dont know what kind of permit or license i would need to grow herbs in my house( since the herbs are not a drug fda says it falls under dietary supplement)Does anyone know the first source I should contact?

Please no opinions I just want solid facts from someone who has taken this route or are around friends and family who has done this or something similiar
thank you fellow yahoo members.