You could use something like this as an initial assessment when you onboard a new client:

These questions are geared towards a niche focused on candida overgrowth but feel free to change and adjust based on your niche.

What is your energy level on an average day?*
1=Exhausted, 10=Feeling energetic and excited


Do you have a crash in energy during the day?*
Yes
No


If you crash, what's the intensity?
1=I must lay down, 10=It doesn't slow me down


What are your feelings about your mental clarity?*
1=Very foggy, 10=Very clear


How often do you feel anxious?*
1=Everyday, 10=Never


How often do you feel depressed?*
1=Everyday, 10=Never


How often do you worry?
1=Everyday, 10=Never


Do you feel achy?*
Yes
No


Do you have joint pain?*
1=Everyday, 10=Never


How often do you crave sugar?*
1=Everyday, 10=Never


Have you ever had dandruff or cradle cap?*
Yes
No


How well do you sleep most nights?*
1=Crappy, 10=Soundly


How often are you active?*
1=Never, 10=Everyday


Do you think you move your body enough?*
Yes
No


In general, do you have more negative thinking or positive thinking?*
1=Negative, 10=Positive


How often do you talk down to yourself?*
1=All the time, 10=Not any more


How often do you talk about others?*
1=Everyday, 10=Not any more

In general how do you feel about your overall health and well-being?*
1=Terrible, 10=I'm making great progress