Do you take these over-the-counter supplements? You should tell your GP, says Dr Amir Khan. Posting on Instagram on Sunday (31 May), the popular television doctor warned that “natural doesn’t automatically mean harmless”, as he said magnesium, turmeric, St. John's wort, collagen and herbal remedies all needed to be flagged to your doctor. “If you're taking regular medication, don't forget to tell your doctor which supplements you also take because sometimes the interaction we're worried about isn't between two medications. “It can be between medicine and something you thought was harmless, like a supplement.”

Dr Amir Khan who has appeared on ITV's This Morning said people need to check with their doctor if they’re on certain medications

Do you take these over-the-counter supplements? You should tell your GP, says Dr Amir Khan. Posting on Instagram on Sunday (31 May), the popular television doctor warned that…

Stay up to date with notifications from The IndependentNotifications can be managed in browser preferences.AllNewsSportCultureLifestyleDr Amir Khan has advised individuals to…

You may not realise that a seemingly "harmless" supplement could interfere with a drug you take