There are three types of factsheets: symptom, additive and support.
Subcategories
Support Factsheets
Additive and Natural Chemical Factsheets
Look at additives by name or number (eg 160b Annatto, 282 Propionates) and at natural chemicals found in foods like salicylates, amines, MSG and fish oils.
Symptom Factsheets
That look at symptoms like constipation, asthma, autism, depression, eczema, stuttering, Oppositional Defiance Disorder (ODD)