“An excellent question, Ms Raith. We ask, because certain ingredients can react badly with some medications. Do you know that liquorice and ginseng are contraindicated for people on blood pressure tablets? St John’s Wort interferes with tyrosine kinase inhibitors, antivirals, and antidepressants. Fenugreek can cause problems if you’re diabetic. Turmeric with anticoagulants. And some medications, when combined with alcohol, can lead to respiratory failure…” A shake of the head. “We would be most distressed if one of our valued guests didn’t wake up in the morning.”

