“ I take about two or 3 teaspoons of powdered chicory root in my coffee every morning, and I try to time it with my supplements, (but quite often I fail that). But I get FOS every day.”

This is exactly the one I buy: 

https://amzn.to/3JAd3Vt

There’s an article over at drjohnson.com that provides seven highlights to white chicory root inulin can do for you or your dog.

I recommend reading: 

…at least six months before your next colonoscopy. I also recommend reading it if you are feeding raw to your dog because they still need soluble fiber in some amount. And I recommend it for dogs that may have irregularities in bowel function sometimes. It’s easier and cheaper than canned pumpkin, and twice as good.