It would be great to able to see correlations between supplements and athletic performance or mood.

Now that I have an app that writes this data to Apple Health every time I take my multivitamin, I’d like to see this data in Exist, especially next to mood and stress levels.

I would love to see how supplementation and diet is influencing my life. Please implement this!

I have another use case for this: For medical reasons, I need to start tracking my iron intake more closely. I’d like to be able to see my iron levels in correlations in Exist.