going back to work

Zai • FTM to a sweet little boy born December 8 2016💙👑 ig (__z.amoy)
I'm going back to work in less than 2 weeks. I'm thinking of switching to formula. Two questions... what's a good formula? Also, how do I stop my milk production?
I don't want to stop yet, I just don't see any choice ATM ☹️