Traffic-light ratings
From the app’s English Help & Guide · Reference release 1.0.12
Green: low / safe by default on this protocol. Amber: moderate — often a quantity question, not a banned food. Red: high — avoid during elimination, a strong candidate to challenge later.
Reflux uses different wording
The Acid Reflux / GORD overlay shows No common flag, Possible trigger, or Common trigger. These are candidates to compare with your own symptoms, not a universal safe-or-banned list.
Your exclusions always win
Add allergies, known reactions, medical restrictions, or personal avoids in Foods › Food exclusions. Matching foods are removed from Foods, Meal Ideas, challenges, and checks, and are called out in exports.