Millions of around the world take dietary supplements in the that they will boost their health. New research casts on the benefits of these pills and . A new report from the American organisation Consumer Reports (CR) found serious health from supplements that included vitamins, probiotics, and weight pills. CR said the biggest problem with supplements is that they are unregulated. While medicinal drugs have to be tested for safety and effectiveness, dietary supplements need less government approval in many countries. This means that consumers are largely in the regarding the ingredients of the supplements and how the will react to them.
Lisa Gill, an at CR, said the report showed how many supplements were. She said they could cause liver , kidney failure requiring kidney transplants, seizures, and heart problems. Gill added: "Just it's not prescription, you say, 'oh, it's safe,' but that's not necessarily ." Gill urges consumers to avoid 15 ingredients commonly found in supplements, including red yeast and caffeine . She warned: "There have been deaths associated with of these." She told people to seek medical help before taking supplements. She said: "Tell your doctor and your what you're taking. Treat it like a . It's that important. It's about your health."