I just finished coding it up this morning. The mixtures considered, are the mixtures that readers have entered. See this post on how to add them.
Step by Step
On the custom suggestions page you will see a new choice, automatically checked.

When you ask for suggestions, a new section will appear at the bottom.

Severe ME/CFS
I ran another person thru, and we got some definite takes

A Crohn’s Patient

Bottom Line
Dealing with probiotic mixtures is frustrating. Different areas of the world sell different mixtures and brand names. This new tool should allow easier objective evaluation.