Vegan Yogurt starters

I want to make my own non-dairy yogurt for Pesach. Here is a popular yogurt starter pack from culturesforhealth - thoughts?

Rice Maltodextrin, Lactic Bacteria (S. thermophilus, L. acidophilus, L. casei, L. dulbrueckii subsp. bulgaricus, L. rhamnosus, bifidobacterium bifidum)
Manufactured in a facility that processes products containing soy and dairy.

Kosher for Pesach for Sephardim