Table 2—

Total Number of Questions Matched for Each Topic The representative ingredient is the one that matched the most questions. The percentage of the questions that mentioned the representative ingredient is shown in the parenthesis. The text in bold represents the ingredient with high percentage of associated questions.

Topic categories Topic Index)	Number of questions matched	Representative Ingredient	Questions containing Representative Ingredient
Gastrointestinal disorders (65)	145	Magnesium	24 (16.55%)
Musculoskeletal disorders (93)	45	Copper	11 (24.44%)
Psychiatric disorders (11)	256	Valerian	45 (17.58%)
Respiratory (including ear, nose & throat), thoracic & mediastinal disorders (1)	476	Honey	226 (47.48%)
Skin & subcutaneous tissue disorders (23)	84	Apple Cider Vinegar	17 (20.24%)
Cardio-vascular/blood & lymphatic system disorders (2)	264	Iron	38 (14.39%)
Endocrine disorders (68)	48	Iodine	11 (22.92%)
Infections & infestations (31)	160	Cranberry	37 (23.12%)
Smokables (21)	134	Damiana	11 (8.21%)
Dose/dose form/preparation (43)	98	Biotin	35 (35.71%)
Sleeping (50)	45	Melatonin	29 (64.44%)
Weight control (19)	171	Acai	26 (15.20%)