Bar chart of the actual number of different herbs, herbal medicines and herbal products taken or used by those responding ‘no’ to the closed question “have you used herbs, herbal medicines or herbal products in the last three months” (n = 312).

<p>Bar chart of the actual number of different herbs, herbal medicines and herbal products taken or used by those responding ‘no’ to the closed question “have you used herbs, herbal medicines or herbal products in the last three months” (n = 312).</p

Number of hits over the last 10 years for Medline title search for ‘systematic review’ and ‘herb*’ and number of hits over the last 10 years for Medline abstract search of (‘questionnaire*’ or ‘survey*’) and ‘herb*’.

<p>Number of hits over the last 10 years for Medline title search for ‘systematic review’ and ‘herb*’ and number of hits over the last 10 years for Medline abstract search of (‘questionnaire*’ or ‘survey*’) and ‘herb*’.</p

Definitions of herbs, herbal medicines, herbal products and Dietary Supplements used by the World Health Organisation, Medicines and Healthcare products Regulatory Agency (MHRA, United Kingdom) and the Food and Drug Administration (FDA, United States of America).

<p>Definitions of herbs, herbal medicines, herbal products and Dietary Supplements used by the World Health Organisation, Medicines and Healthcare products Regulatory Agency (MHRA, United Kingdom) and the Food and Drug Administration (FDA, United States of America).</p

Study population demographics (n = 889).

<p>Study population demographics (n = 889).</p