Stay up to date with notifications from The IndependentNotifications can be managed in browser preferences.AllNewsSportCultureLifestyleDr Amir Khan has advised individuals to inform their GP about any over-the-counter supplements they are taking. Posting on Instagram, the television doctor warned that 'natural doesn’t automatically mean harmless'. He specifically highlighted supplements such as magnesium, turmeric, St. John's wort, collagen and various herbal remedies. The warning is due to the potential for interactions between these supplements and regular medications. Patients are urged to disclose all supplement use to their doctors to prevent unforeseen health complications. In fullTell your GP about these over-the-counter supplements, warns Dr Amir KhanThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged in