The word “supplement” is a broad category that includes vitamins and minerals (think: vitamin D and calcium) as well as botanicals (like turmeric and green tea extract).

You will likely have heard of probiotics. These are live microorganisms that, when consumed in sufficient amounts, can benefit health. They occur naturally in foods such as yoghurt, kefir, kimchi and ...

Parents of autistic children are clamoring for a prescription vitamin promoted by federal health officials. But there's ...