Cross-protocol flags
From the app’s English Help & Guide · Reference release 1.0.12
If you’re running multiple protocols, foods can be flagged on more than one. The food detail view surfaces this — “also flagged on Low Histamine”, for example — so you know which reactions might come from which source.
When reflux is stacked
Possible trigger and Common trigger are caution labels, not automatic bans. A food only becomes a personal reflux avoid when you mark it as one of your reflux triggers.