Best slow flow bottles??

Cheyenne

My LO is 8 days old and has been eating just WAY too fast. I need recommendations on some of the best bottles with slow flow nipples?? We have Nuk(0+ nipple flow) but he almost chokes when he eats bec he eats so fast and it scares the hell out of me. We also have MAM bottles and the size 1 seem to do much better which doesn’t make much sense