Richard Nikiley runs this site (free the Animal). I have read on his site for a few years. He is very credible.
He has been talking about potato starch for quite a while and has stumbled on some great news for diabetics. You can search around and find some cheaper potato starch. But make sure it says the same stuff as Bob’s potato starch.
Please read through the posts. Look at the graphs. Make your own judgments. Some non-diabetics claim it is helping them lose weight as it stops their craving for food all the time. I have bought some of Bob’s potato starch from Amazon and will report back to you all later regarding my Diabetes 2 and my daughter’s type 1.